Injection machine rear caul

The utility model discloses an injection machine rear caul, include independent connecting rod supporting seat and pass through connecting rod connection activity to set up the cross head in independent connecting rod supporting seat one side, one side that independent connecting rod supporting seat is close to the cross head sets up two curb plates, and two symmetrical settings of curb plate are in the cross head both sides, and the cross head both sides are respectively through direction subassembly and two curb plate swing joint, the direction subassembly include with curb plate fixed connection's linear guide and with the linear guide matched with slider, slider and cross head fixed connection are provided with cylindrical roller between linear guide and the slider. The utility model discloses a constituteing the direction subassembly jointly with linear guide, slider and cylindrical roller and leading to the cross head, be rolling friction with the friction of die sinking in -process by the sliding frict