Universal anti-sticking paint tray

The utility model discloses a universal anti-sticking paint tray. Relating to the field of hub production, the utility model discloses a hub spraying production line. Paint enters a central hole. Proposed now is the following scheme, the device comprises a moving block and a blowpipe, a movable hole is formed in the blowpipe; and a movable block is movably installed at the movable hole in a sealedmode, two symmetrically-arranged fixing plates are connected to the side wall of the movable block, second springs are connected to the bottom ends of the fixing plates, the ends, away from the fixing plates, of the second springs are connected with the air blowing pipe, and first springs are arranged at the top end of the movable block. The utility model has the advantages that the structure isnovel, and the device can be suitable for production and machining of hubs of different sizes, it is guaranteed that paint does not enter a center hole of the hub, the purpose of automatic soot blowing can be achieved, the lab