Cotton seed delinting machine

The utility model relates to the technical field of cotton seed linters removing devices, in particular to a cotton seed delinting machine. The cotton seed delinting machine comprises a frame, delinting devices and a power transmission device, wherein the two delinting devices are fixedly mounted at the upper part and the lower part of the frame respectively; each delinting device comprises mounted bearings, rotating shafts, wire brush rollers, a delinting screen stencil and an outer housing plate, the mounted bearings are fixedly mounted at the left and the right ends of the frame respectively, the two rotating shafts are parallel to each other, arranged at intervals and mounted between the two mounted bearings respectively, and a connecting passage capable of communicating an upper delinting cavity with a lower delinting cavity is fixedly mounted between the upper and the lower delinting screen stencils; and an adjusting insert plate capable of blocking the connecting passage and being drawn to and fro is m