Method and device for laser cutting of virus-free seedling stems based on machine vision

The invention provides a method and a device for laser cutting of virus-free seedling stems based on machine vision, belongs to the technical field of virus-free seedling propagation, and is used for solving the problems of complex operation, high pollution rate, low automation degree and the like of a manual virus-free seedling propagation in the prior art. The device comprises: an industrial personal computer, a correlation type photoelectric switch, a laser cutting mechanism, an image acquisition module, a conveyor, and a bud seedling collecting mechanism, wherein a data acquisition card is arranged on the industrial personal computer, and a gap shielding belt is arranged on the inner side of a chain plate type conveyor belt on the conveyor. The whole set of the device is controlled by the industrial personal computer to complete operations, namely, a conveying motor is controlled to drive the chain plate type conveying belt to perform intermittent conveying work, a transmission positioning module is match