Automatic detection device

The utility model belongs to the technical field of detection devices, and discloses an automatic detection device which comprises a conveying mechanism, and the conveying mechanism is provided with a conveying channel used for conveying workpieces in the length direction of the conveying mechanism. A detection station is arranged at a preset position of the conveying channel; an upper detection module is arranged right above the detection station, and the upper detection module comprises a first conductive part; a lower detection module is arranged under the detection station, and the lower detection module comprises a lifting assembly and a second conductive part. In the working process, the conveying mechanism drives the workpiece to move to a detection station along the conveying channel, the lifting assembly operates to drive the second conductive part to move upwards in the vertical direction, the first conductive part, the workpiece and the second conductive part are electrically connected, and therefo