The invention discloses a multi-focus
laser laminated glass separating method and device. According to the method, a
laser beam with transmissivity on
laminated glass is adopted; by means of a multi-focus lens set, the
laser beamproduces a plurality of focuses to enter the
laminated glass, and each layer of glass and each glueing material layer of the laminated glass are provided with at least one laser focus; under the action of the laser focuses, the glass
layers and the glueing material
layers are separated, the glass
layers and the glueing material layers of the laminated glass are
cut and separated at the same time through multiple laser focuses moving along the separating direction, and the whole laminated glass is
cut and separated at the same time. The device comprises a two-dimensional working platform, a laser, a reflector, an expanded
beam collimation lens and the multi-focus lens set, wherein the laser, the reflector, the expanded
beam collimation lens and the multi-focus lens set are sequentially located on the same light path. By means of the multi-focus laser laminated glass separating method and device, follow-up manual piece breaking is not needed, and the
cutting speed is greatly improved; the multi-focus laser laminated glass separating method and device have the advantages of being simple in separation procedures, high in separation speed, good in separation quality, capable of achieving special-shaped separating and
mechanization and the like and are especially suitable for
cutting and separating the laminated glass for buildings and automobiles.