Buttonhole scanning structure

The present invention discloses a buttonhole scanning structure, comprising a laser head and the drive motor, the laser head is disposed on a slide base, said slide base is provided on a rail-shaped, with the step of sliding base into the distance sensor stepper motor driver, connected to one end of the bar rail bar orbital rotation shaft of the driving, the drive shaft is driven by, the shaft is provided recording the instantaneous angle of the angle sensor on the drive, the solar cell panel buttons and the angle sensor and the stepping distance sensor module electrically connected to a calculation of the area swept strip orbital rotation disposed in parallel above the positive sequence containing buttonhole, the solar cell panel constituting said calculation module and triggers the feedback data, the structure of the present invention can scan and positioned quasi buttonhole and cost.