Centering device for refractory brick packaging line

The invention provides a centering device for a refractory brick packaging line, and relates to the technical field of refractory brick machining, the centering device comprises a conveying frame and a supporting seat, the supporting seat is arranged at the middle position below the conveying frame, sliding seats are movably installed at the front end and the rear end above the supporting seat, supports are arranged on the two sets of sliding seats, and first air cylinders are arranged on the supports; a pedestal is arranged at the output end of the first air cylinder. Brick piles are conveyed through the conveying frame, centering bins at the two ends are driven to synchronously move through movement of sliding bases at the two ends to center the brick piles, in a static centering mode, an adjusting bin rotates, a filling block faces a groove hole, a bidirectional screw rod rotates to drive a nut sleeve to operate, a connecting arm rotates to push a push plate to move, and the groove hole is filled with the