Pretreatment device for powder coating production

The utility model discloses a pretreatment device for powder coating production, which relates to the field of powder coatings and comprises a main body, a screening mechanism is arranged at the top of the main body, a groove is formed in the right side wall of the main body in a penetrating manner, a collecting mechanism is placed in the groove, and the screening mechanism comprises a storage box. A plurality of screening grooves are formed in the bottom end of the interior of the storage box at equal intervals, a movable groove is formed in the position, located at the top, of the inner side wall of the main body, a supporting plate is movably arranged in the movable groove, and a sliding rod is arranged between the inner side walls of the movable groove and penetrates through the supporting plate; the powder coating raw material screening device has the advantages that small-particle impurities in raw materials can fall into the collecting mechanism through the screening groove under the action of resonanc