Hydraulic drive cam -type centering mechanism

The utility model discloses a hydraulic drive cam -type centering mechanism, including base, the tight piece of clamp, locating piece, chute piston, short round pin, foraminiferous piston, hydraulic cylinder and reset spring, be equipped with on the base and press from both sides tight, press from both sides tight piece and be equipped with two, still be equipped with the locating piece on the base, the centre of tight of two clamps is located to the locating piece, is equipped with the chute piston on the base, and the middle part of chute piston is equipped with short round pin, and during the chute of chute piston was located to short round pin, on foraminiferous piston was located to the weak point round pin, foraminiferous hinge joint hydraulic cylinder was equipped with reset springin the chute piston. Adopt above -mentioned technical scheme to make the hydraulic drive cam -type centering mechanism that the machining precision is high. The mode that this mechanism adopted the cylindric lock to cut sth.