Multi-station knockout device

The invention relates to the technical field of stamping equipment, in particular to a multi-station knockout device. The multi-station knockout device comprises a rack, an upper die frame and a driving part for driving the upper die frame to ascend and descend. The device is characterized by further comprising a trigger mechanism, and the trigger mechanism comprises a trigger support installed on the upper die frame, a knockout rod installed on the trigger support in a sliding mode, a middle connecting rod with one end hinged to the top end of the knockout rod, a trigger connecting rod hinged to the other end of the middle connecting rod and an abutting block installed on the rack and arranged corresponding to the trigger connecting rod; the trigger connecting rod is hinged to the upper die frame and comprises a first hinge section located on one side of the hinge position and hinged to the middle connecting rod and a second hinge section located on the other side of the hinge position and used for abutting