Anti-separation device for dry-mixed mortar bin

The invention discloses an anti-separation device for a dry-mixed mortar bin. The anti-separation device for the dry-mixed mortar bin is composed of a plurality of sleeves, a lifting device and a connecting module, wherein the sleeves are arranged in the bin, the lifting device is arranged outside the bin, and the connecting module is located between the sleeves and the lifting device. Each sleeve is in the shape of a circular truncated cone, wherein the upper portion and the lower portion of the sleeve are open, and the area of the lower opening is larger than that of the upper opening. The sleeves are connected in a sleeved mode, connected through the connecting module and vertically hung in the bin. The connecting module is composed of steel wire ropes which are fixed to the outer circumference of the bottommost sleeve and fixed pulleys at the top of the bin and soft connecting ropes which are fixed to the inner circumferences of the sleeves and the inner wall of the top of the bin. The lifting device is a