Oil tank punching device

The utility model discloses an oil tank punching device, and relates to the technical field of automobile oil tank processing, according to the oil tank punching device, a first motor drives a displacement guide rail to rotate, so that a drill bit can move left and right, and a second motor drives a first moving block to move back and forth on the surface of a movable threaded rod; a drill bit can move to any position of the oil tank, the drill bit is driven by a third motor to rotate, the drill bit is driven by a telescopic air cylinder to be close to the oil tank, punching operation of any position of the oil tank is achieved, and the practicability of the oil tank punching device is improved; meanwhile, a fifth motor is matched to drive a second double-end threaded lead screw to rotate, third moving blocks at the two ends of the second double-end threaded lead screw synchronously move towards the center of the workbench, the oil tank is accurately limited to the center position, more accurate positioning d