Auxiliary assembling equipment for valve body machining

The utility model discloses auxiliary assembling equipment for valve body machining. The auxiliary assembling equipment comprises a box body, a clamping part, a driving part and an assembling part. A handle is rotated, a first pull rope is pulled, two clamping plates are pulled outwards, meanwhile, the clamping plates pull a second pull rope to pull a clamping ring outwards, a to-be-assembled valve body is placed in an annular groove in a box body, the handle is loosened, a first spring pushes the clamping plates inwards, and clamping blocks enter an inner hole of the to-be-assembled valve body; and meanwhile, a second spring pushes a clamping ring inwards to be tightly attached to the outer wall of the to-be-assembled valve body, so that the to-be-assembled valve body is rapidly clamped and positioned, a main cylinder is started, a piston column is driven to extend, a second transverse plate is driven to move downwards, a valve deck clamping plate is driven to move downwards, and a valve deck is assembled on