Rotary-cage fiber-dust collector

The utility model relates to a rotating cage fiber and dust catching device which is applied for the dust filtration equipment in textile industry. The utility model comprises a case (7), a rotating cage (4), a cotton stripping device (8), a driving device, an air inlet (5) and an air outlet (6). The rotating cage (4) reclines inside the case (7), one end of the rotating cage (4) is connected to the one side of the case (7), and the other end is connected to the inside wall on the other side of the case (7) via a supporting roller. The cotton stripping device (8) is arranged under the rotating cage (4). The driving device comprises a speed reduction motor (1) and a driving belt (2) or a driving chain (3). The speed reduction motor (1) is arranged on the case (7) and connected to one end of the rotating cage (4) and the cotton stripping device (8) respectively via the driving belt (2) or the driving chain (3). The air inlet (5) is arranged on the side wall of the case (7) and connected with the peripheral of the rotating cage (4). The air outlet (6) is arranged on one side of the case (7) and connected with the cavity of the rotating cage (4). The utility model is designed without rotating pressure damage to the fiber and dust.