Conveying mechanism for beverage filling production line

The conveying mechanism for the beverage filling production line comprises a support, a conveying chain, a clamping piece, two first guardrails and two first adjusting assemblies, the conveying chain is arranged on the support, the clamping piece is arranged on the conveying chain, and the clamping piece is used for clamping bottle necks; the two first guardrails are oppositely arranged, the distance between the two first guardrails is adjustable, and a limiting space is formed between the two first guardrails and used for limiting a bottle body; the first guardrails are connected with the support through the first adjusting assemblies, and the first guardrails and the first adjusting assemblies are arranged in a one-to-one correspondence mode. In the using process, the clamping pieces on the conveying chain clamp bottle necks, beverage bottles are hung in the air and move along with the conveying chain, the distance between the two first guardrails is adjusted till the width of only one bottle body can be co