Automatic assembly mechanism for sensitive elements of automobile safety belts

The invention belongs to the field of automatic assembly of automobile parts, and particularly relates to an automatic assembly mechanism for sensitive elements of automobile safety belts. The automatic assembly mechanism for the sensitive elements of the automobile safety belts is high in assembly accuracy, accurate in locating, high in qualification rate of products and capable of realizing production automation. The automatic assembly mechanism for the sensitive elements of the automobile safety belts comprises an assembly mechanism body, the assembly mechanism body comprises a locating mechanism, the locating mechanism comprises a fixing plate, the two sides of the upper surface of the fixing plate are connected to the lower ends of guide columns respectively, the upper parts of the guide columns penetrate through through-holes formed in the corresponding positions of a locating block, and a groove is formed in the center of the locating block; an expanding mechanism is arranged below the locating block.