Tray rapid detection device

The utility model discloses a tray rapid detection device comprising a pedestal, the bottom surface of the pedestal is fixedly connected with two groups of supporting blocks, the upper surface of thepedestal is fixedly connected with two supporting plates, the upper surfaces of the two supporting plates are fixedly connected with a supporting plate together, and the upper surface of the supporting plate is fixedly inlaid with a sliding cylinder. The upper surface of the supporting plate is fixedly connected with two supporting columns, and the side faces, close to each other, of the two supporting columns are fixedly connected with a fixing plate together. According to the tray rapid detection device, the electromagnet is arranged and can attract the sliding block, so that the sliding block ascends to the position below the electromagnet, the tray can be supported by arranging the positioning column, and the electromagnet can be controlled by arranging the first switch; the electromagnet can slide downwards a