Machining device for automobile engine tensioning wheel

The utility model discloses a processing device for a tensioning wheel of an automobile engine, which comprises a bottom plate, a first vertical plate is fixedly mounted on the bottom plate, a servo motor is mounted outside the first vertical plate, an output shaft of the servo motor penetrates through the outer wall of the first vertical plate and is fixedly provided with a polish rod, a spring is mounted outside the polish rod, and the first vertical plate and the second vertical plate are fixedly mounted on the output shaft of the servo motor. An arc-shaped plate is installed at the end, away from the polished rod, of the spring, an L-shaped limiting plate is installed on the bottom plate, a sliding block is movably connected into the sliding groove, the angle of the blade can be adjusted through the semicircular limiting plate and the ball, height adjustment is conducted on the position of the blade through the sleeve and the connecting rod, and after the blade is adjusted to the designated position, the