Automatic transfer device for part machining

The utility model provides an automatic transfer device for part machining, belongs to the technical field of transfer equipment, aims to solve the problem that automatic transfer and transportation are inconvenient, and comprises a guide rail, a tooth block is fixedly connected to the guide rail, a connecting frame is arranged on the guide rail, and a pulley is rotationally connected to the connecting frame; a pushing rod is fixedly connected to one end of the storage box, a storage plate is rotationally connected to the pushing rod, a clamping block is fixedly connected to the storage plate, a second spring is fixedly connected to the clamping block, the other end of the second spring is fixedly connected to the storage box, and a third spring is fixedly connected to the interior of the storage box. By means of the arranged connecting frame, when parts are transferred, a motor on the connecting frame can be started, the motor drives a gear to rotate, and when the gear rotates, the connecting frame can be dr