Material shortage pre-alarm device of pin inserting machine

The utility model provides a material shortage pre-alarm device of a pin inserting machine, and relates to the technical field of material shortage pre-alarm, the material shortage pre-alarm device of the pin inserting machine comprises a conveying mechanism and a conveying frame, a blanking pipe is arranged below the conveying frame, a groove is arranged on the blanking pipe, a rotating plate is rotatably arranged on the groove, and the rotating plate is arranged on the conveying frame. And a driving part for driving the rotating plate to rotate is mounted on the blanking pipe. The feeding device has the advantages that materials are fed to the conveying mechanism from the vibration feeding disc and then fall into the discharging pipe and fall on the material receiving plate, the elastic piece plays a buffering role and transmits pressure to the pressure detection component, after the pressure is detected, the driving component drives the rotating plate to rotate and drive the rotating plate to the outer sid