Automatic assembling device and assembling method for metal watchband

The invention discloses an automatic assembling device and assembling method for a metal watchband, and solves the problems that when an existing watchband is automatically assembled, side beads or middle beads are prone to being mistakenly assembled, so that reworking work is increased, and the reworking rate is high. The automatic assembling device for the metal watchband comprises an assembling module, a side bead feeding module used for providing side beads for the assembling module, and a middle bead feeding module used for providing middle beads for the assembling module, wherein correction assemblies are arranged between the middle bead feeding module and the assembling module as well as between the side bead feeding module and the assembling module correspondingly; and the correction assemblies are used for adjusting the middle beads and the side beads to be in a preset assembling state. The automatic assembling device and assembling method for the metal watchband provided by the invention have the ad