Bovine vaccine automatic injector

The utility model discloses an automatic bovine vaccine injector which comprises a device body and movable supports, a transmission rod is arranged between the movable supports, and a fixed support is connected with a movable mounting plate. The automatic bovine vaccine injector is provided with a movable limiting plate which can move along a first limiting sliding groove on the left side and the right side of a telescopic spring, so that the automatic bovine vaccine injector is more conveniently fixed to a bovine body, a movable support is arranged and connected with a fixed support through a transmission rod, and when a movable mounting plate shakes due to rigid impact, the movable mounting plate can move along the first limiting sliding groove. The fixed support acts impact force on the movable support through the transmission rod, and the movable support moves along a sliding groove and a limiting groove, so that the movable support extrudes or stretches the spring shock absorber, and the shaking amplitud