Large packaging box horizontal impact test ejection system

A large packaging box horizontal impact test ejection system comprises an emitter support, the emitter support comprises vertical frames symmetrically arranged on the two sides in parallel, bearing support fixing plates are symmetrically arranged on the vertical rods at the two ends of each vertical frame in the opposite direction, the bearing support fixing plates on the vertical rods at the two ends are connected through a guide shaft, a plug is arranged on the guide shaft in a penetrating mode, and the guide shaft is provided with an ejector. A spring and an oil buffer are arranged on the bearing support fixing plate of one vertical rod, the plugs on the two sides are connected through a square steel frame, oil buffer contact plates are arranged at the two ends of the square steel frame respectively and correspondingly matched with the oil buffers on the vertical frames on the two sides, and a pulling plate is arranged on one side face of the emitter support and between the vertical frames on the two sides