Batch type seed sowing device and method for planting of lettuces

The invention discloses a batch type seed sowing device and method for planting of lettuces and belongs to the technical field of planting of lettuces. The device comprises a support table, wherein abox body is mounted on the support table, a discharging port of the box body is connected with a distributing box through a feeding pipe, a conveying pipe A, a conveying pipe B and a conveying pipe Care connected to the distributing box and are mounted on a slider through limiting mechanisms, the slider is mounted on the support table through a connecting rod, and a shaking mechanism is arrangedon the connecting rod and comprises a support seat, a rotating shaft, a rotating plate, a connecting plate A, a telescopic spring, a telescopic guide pillar, a connecting plate B, a shaking rod, a driving motor and an eccentric gear. The batch type seed sowing device and method for planting of lettuces can meet seed sowing demands under different conditions, does not require artificial seed sowing, can reduce work burden of