Multistage vegetable oil filtering device

The invention discloses a multistage filtering device for vegetable oil. The multistage filtering device comprises a main body, a first filtering basket, a second filtering basket, a third filtering basket, a supporting column, a power shaft, a cross beam, a motor and a lifting mechanism; the first filtering basket, the second filtering basket, the third filtering basket and the supporting columnare all arranged in the main body; the first filtering basket, the second filtering basket and the third filtering basket are penetrated by the supporting column; the first filtering basket is arranged at the top of the second filtering basket, the second filtering basket is arranged at the top of the third filtering basket; the power shaft is arranged at the top of the supporting column, the power shaft is arranged at the bottom of the cross beam, the motor is arranged at the top of the cross beam, the lifting mechanism is arranged at one end of the cross beam, and the power shaft is connected with the motor. The mul