Worsted color-matching cotton blending machine

The utility model aims to solve the problems of inaccurate color mixing proportion, poor color mixing effect and the like of colored spun yarns. The utility model discloses a worsted color blending cotton blending machine. The device comprises a cotton storage module, a color matching module, a first cotton feeding module, a second cotton feeding module, an air return duct and a cotton mixing duct, the cotton storage module and the color matching module are connected side by side and separated through a partition plate. A mesh plate is arranged above the partition plate; the first cotton feeding module is connected with the cotton storage module; the second cotton feeding module is connected with the color matching module; the cotton mixing channel is positioned below the cotton storage module and the color matching module and is communicated with the cotton storage module and the color matching module; a cotton outlet is formed in one end of the cotton mixing channel, the air return channel is located on the