Part machining and aligning clamp aiming at part with space size requirement

The utility model discloses a part processing and aligning fixture aiming at space dimension requirements, which comprises a base, a main shaft positioning device is arranged on one side of the upperpart of the base, and a side shaft positioning device is arranged on the other side of the upper part of the base; the spindle positioning device comprises a spindle positioning seat and a positioningsupport, the lower portion of the spindle positioning seat is fixedly connected with the base, the positioning support is provided with a supporting column positioning column, the supporting column positioning column is provided with a supporting plate, and the upper portion of the supporting plate and the upper portion of the spindle positioning seat are provided with a longitudinal positioningmechanism and a transverse positioning mechanism in a matched mode. The side shaft positioning device comprises a side shaft positioning base with the lower portion fixedly connected with the base, aside shaft positioning table