Wine fermentation tank

The invention belongs to the technical field of wine, and particularly relates to a wine fermentation tank. The fermentation tank comprises a box body; a partition plate is fixedly connected to the inner side wall of the box body, a material injection opening is formed in the upper surface of the box body, a sealing plug is in threaded connection with the inner wall of the material injection opening, and a protection box is fixedly connected to the right side face of the box body; and the inner side wall of the protection box is fixedly connected with a driving motor. According to the invention, by utilizing power provided by a driving motor, a connecting rod drives a leakage net to rotate, and the leakage net drives grape skin on the upper layer of fermentation liquor to move downwards, so that the grape skin can be completely soaked in the fermentation liquor, and meanwhile, the taste of grape wine can be improved; the top rod is driven by power provided by the vibration motor to move upwards, the collectin