Automatic feeding and discharging device of lead frame material box

The invention discloses an automatic feeding and discharging device for a lead frame material box, which belongs to the field of semiconductor packaging and comprises a controller, a workbench, a material box bracket for placing the lead frame material box, a discharging machine arranged on the workbench and a lifting assembly for driving the material box bracket to lift above the workbench, the device further comprises a feeding machine. The feeding machine is arranged on the workbench, and the feeding machine and the discharging machine are arranged on the two sides of the material box bracket respectively and used for conveying the lead frames to the lead frame material box one by one. The feeding machine is arranged, after the lead frames are punched and formed by the punching machine, the lead frames can be fed into the liftable lead frame material box one by one through the feeding machine, so that the lead frames do not need to be manually put into the lead frame material box, the feeding operation of