Powder collecting bag filter device

The utility model relates to the technical field of bag filters, and discloses a powder collecting bag filter device, which solves the problem that the filtering effect is reduced due to the fact that dust and stains of a filter element in an existing bag filter can be continuously accumulated, and comprises a shell, a water inlet and a water outlet are respectively arranged on two sides of the shell, and the water inlet is communicated with the water outlet. The position of the water inlet is higher than that of the water outlet, a filter bag is arranged in the shell, a fixing mechanism is mounted on the filter bag, and a flapping mechanism is mounted in the shell; according to the device, through cooperation of the motor, the transmission shaft, the driving gear, the driven shaft, the second conveying belt and the first conveying belt, the first rotating shaft and the second rotating shaft can rotate at the same time, and through cooperation of the eccentric blocks and the vertical plates and cooperation of