Seeding, raking, grinding and pressing all-in-one machine for mixed sowing

The invention relates to the technical field of agricultural equipment, in particular to a mixed sowing grassland sowing, raking, grinding and compacting all-in-one machine which comprises a sowing processing structure, a raking and grinding processing structure and an earthing and compacting processing structure, the side end of the sowing processing structure is fixedly connected with the raking and grinding processing structure, and the side end of the raking and grinding processing structure is fixedly connected with the earthing and compacting processing structure. The raking and grinding treatment structure is used for raking and grinding soil and carrying out soil turning and burying pretreatment after sowing, the sowing treatment structure is used for sowing seeds and placing the seeds in the soil, and the soil covering and pressing treatment structure is used for subsequent soil covering work and can carry out soil pressing treatment at the same time. Through integral arrangement of the seeding treat