Improved test sample rack for xenon lamp aging test

The utility model provides an improved xenon lamp aging test sample rack which comprises a xenon lamp device, an outer sample rack arranged around the outer side of the xenon lamp device and a clamping part used for clamping a sample, the xenon lamp device comprises a fixed seat and a xenon lamp tube, and the outer sample rack comprises a first upper hanging disc and a first lower hanging disc. A plurality of first stand columns are arranged between the first upper hanging disc and the first lower hanging disc at intervals, a plurality of fixing sleeves are arranged on the periphery of the fixing base in a surrounding mode, a plurality of first connecting rods are arranged between the first upper hanging disc and the xenon lamp device, and a first adjusting disc capable of vertically sliding and being fixed along the first stand columns is arranged between the first upper hanging disc and the first lower hanging disc. Through the arrangement of the first adjusting disc, the distance between the first adjustin