Leaf wolfberry bud picking device with grading function

The utility model belongs to the technical field of leaf wolfberry bud picking, and particularly relates to a leaf wolfberry bud picking device with a grading function, which comprises an outer shell and a picking mechanism, a sliding groove is arranged on the outer shell, a connecting plate is placed in the sliding groove, the picking mechanism is arranged on the connecting plate, the picking mechanism comprises a clamping piece, an arm rod and a pull rod, the clamping pieces are hinged to the arm rods, the two arm rods are hinged through hinge pins, the two ends of the pull rod are hinged to the arm rods and the connecting plate respectively, the clamping pieces are sleeved with limiting frames, the clamping pieces are provided with limiting pieces on the two sides of the limiting frames, a traction frame is installed in the sliding groove in a sliding mode, a tension spring is installed between the traction frame and the connecting plate, and a limiting frame is installed in the sliding groove in a sliding