The utility model relates to the technical field of paint making corollary equipment, in particular to a
metal anti-
rust paint bucket uncovering device which comprises a paint bucket and an uncovering device body, the uncovering device body comprises a connecting ring, a clamping base, a pedal, an
insertion pipe, a telescopic rod, a rotary knob, a pinch bar and an opening device, the connecting ring is arranged on the outer side of the bottom of the paint bucket in a sleeved mode, and the clamping base is arranged on the clamping base. The clamping seats are fixed to the two ends of the top of the connecting ring, the treading plates are arranged in the clamping seats in a clamped mode, the inserting
pipe is fixedly arranged on the top of the connecting ring, the telescopic rod is arranged on the inner side of the top of the inserting
pipe in a clamped mode, and the rotary knob is connected with the top of the outer side of the inserting pipe through threads. The wedge-shaped area at the end of the inserting block is clamped between the
barrel wall and the prying plate on the edge of the
barrel cover, the
barrel cover of the paint barrel is opened by upwarping according to the lever principle, operation is convenient, the opening requirements of the paint barrels of different sizes are met, the completeness of the barrel cover is kept, and operation is easy and safe.