Tray carrier

The utility model relates to the field of lithium ion battery manufacturing, and discloses a tray carrier. The left side frame, the right side frame, the front side frame and the rear side frame extend upwards from the top face of the bearing plate, all the stand columns are located at the vertex angle positions of the bearing plate respectively, the bottoms of all the stand columns exceed the bottom face of the bearing plate, and first nesting parts are arranged at the bottoms of all the stand columns respectively; a second nesting part matched with the first nesting part is arranged at the top of each stand column, and when at least two tray carriers are stacked up and down, a gap is formed between the bottom of the bearing plate of the tray carrier on the upper layer and the top of the tray carrier on the lower layer; the first nesting parts at the bottoms of the stand columns of the tray carriers on the upper layer are nested with the second nesting parts at the tops of the stand columns of the tray carri