Masterbatch barrel conveying apparatus, masterbatch barrel righting and positioning apparatus, color blending device, and color blending system

A masterbatch barrel conveying apparatus, comprising:

• a guide rail;
• a driving wheel set having a rotating shaft;
• a conveying portion sleeved on the driving wheel set;
• a masterbatch barrel mounting portion fixed on the conveying portion, wherein the conveying portion moves along the guide rail under driving of the driving wheel set, so as to drive the masterbatch barrel mounting portion to move synchronously along the guide rail;
• a wheel-set driving portion, comprising a driving motor body and a driving motor output shaft;
• and
• a clutch assembly configured to separate and engage the driving wheel set and the wheel-set driving portion, wherein the clutch assembly comprises a clutch motor and a clutch body connected to each other;
• the clutch motor drives the clutch body to move in a vertical direction, when the clutch body moves to a first position, the driving motor output shaft and the rotating shaft achieve a transmission connection through the clutch body, and the driving wheel set rotates under driving of the driving motor body;
• and when the clutch body moves to a second position, the clutch body is disconnected from the driving motor output shaft and/or the rotating shaft.