Seeding device for rice planting

The invention provides a seeding device for rice planting, and belongs to the technical field of agricultural machinery. The seeding device for rice planting comprises a material box and a seeding box, a communicating pipe is arranged between the material box and the seeding box, a seeding interval adjusting assembly comprises an adjusting plate, and a plurality of inserting grooves are formed in the adjusting plate. A rotary knob is rotated to drive a threaded rod to rotate in a threaded sleeve, under the action of threads, the threaded sleeve can move downwards, an adjusting plate is driven to move upwards, a plurality of inserting grooves are formed in the adjusting plate, the inserting grooves located in the two ends of the adjusting plate are obliquely formed, and the inserting groove in the middle is vertically formed, so that the adjusting plate is more convenient to adjust. According to the device, the inserting plates can move in the inserting grooves, the inserting plates at the two ends are driven