Protection device for reflow soldering outlet

The utility model discloses a protection device for a reflow soldering outlet, which comprises a protection device, the protection device is positioned at the joint of a reflow soldering furnace and a plate receiving track frame, an outlet end comprises two first track plates, a first transmission track is arranged between the two first track plates, the plate receiving track frame comprises two second track plates, and the second track plates are arranged on the first transmission track. A second conveying rail is arranged between the two second rail plates, the protection device comprises a first limiting plate and an automatic alarm device, the first limiting plate is located on the first rail plate and used for filling gaps between the first rail plate and the second rail plates, and the automatic alarm device is located on the plate receiving rail frame. According to the utility model, the automatic alarm device is used for sensing the conveying condition of the PCB at the outlet of the reflow soldering