Positioning tool for loading carrier in locking cavity

The utility model relates to a positioning tool for loading a carrier in a locking cavity, which comprises an upper positioning block, a lower positioning block and a positioning pin, a first clamping groove is formed between the upper positioning block and the lower positioning block, a second clamping groove is further formed in the face, making contact with a wafer box platform in the carrier, of the lower positioning block, a first penetrating hole is formed in the upper positioning block, and a second penetrating hole is formed in the lower positioning block. And the positioning needle can sequentially pass through the first through hole, the open hole in the tray and the second through hole to carry out positioning verification. The positioning tool is used for assisting in positioning the carrier in the loading and locking cavity, so that the positioning efficiency can be effectively improved, and the positioning accuracy is guaranteed; the positioning tool applied to the carrier in the loading locking