Volume-size-adjustable tray for goods irradiation of industrial electron accelerator

The utility model discloses a volume-size-adjustable tray for goods irradiation of an industrial electron accelerator, which comprises a base tray, a sliding tray and a fastening positioning spring, one side of each of the base tray and the sliding tray is provided with an opening, and the base tray and the sliding tray are correspondingly mounted in the direction opposite to the opening sides. The volume size of the tray can be adjusted through sliding of the sliding tray relative to the base tray; corresponding circular adjusting inserting holes are formed in base baffles on the two sides of the base tray, and matched inserting holes corresponding to the base tray are formed in sliding tray baffles on the two sides of the sliding tray, so that when the base tray and the sliding tray slide oppositely, the matched inserting holes can correspond to the adjusting inserting holes and are matched with the fixing inserting bolts, and the adjusting inserting holes are matched with the fixing inserting bolts. The tw