Pneumatic transmission apparatus

The utility model discloses a device for using gases to transmit articles fast, comprising an irradiation sleeve, a transmission pipeline, a pneumatic system, a sample box, a sample measuring and conveying device, a control system and the like. The sample box moves in the transmission pipeline; wherein, the irradiation sleeve is connected with the sample box and a sample separating system by the transmission pipeline; and the sample box and the sample separating system are matched with the sample measuring and conveying device. A sample rabbit-escaping device in the sample box and the sample separating system is crisscross, the four ends thereof are respectively provided with valves so as to control the on and off of a cross-shaped gas loop and the direction of the gas flow and lead the sample and the sample box to be separated. The sample measuring and conveying device adopts double-spinner structure, a lower spinner is static and an upper spinner carries out samples so as to transmit the samples to a measuring end and a recovery end. The device realizes the automatic transmission of samples and the sample box can be reused.