Glued veneer pre-positioning mechanism

The invention discloses a glued veneer pre-positioning mechanism, and relates to the technical field of plywood blank assembling and paving. The mechanism comprises a positioning table with two sidesprovided with roller shaft mounting plates, multiple roller shafts which are arranged in a slant manner are horizontally arranged between the two roller shaft mounting plates through bearings and universal joints, the included angles between the axes of the roller shafts and the roller shaft mounting plate on the right side of the advancing direction of the veneer are smaller than 90 degrees, multiple duplex chain wheels are arranged on the mounting plate of the right side of the positioning table, and are connected with the right ends of the roller shafts through bearings and universal joints, coplanar chain wheels of the two adjacent duplex chain wheels are connected through a single-row chain, the duplex chain wheels on the rearmost end are connected with a driving motor through the single-row chain, a limiting