Thermo-shrinking film cutting mechanism for a labeling machine

摘要

A thermo-shrinking film cutting mechanism used in a labeling machine, including a plurality of cutter units mounted on locating frames and equiangularly spaced around a center guide shaft, each cutter unit including a crank shaft, axle bearings, a coupling plate, an index plate, a locating plate, a cutter holder, a cutter blade and a clamping plate, a transmission mechanism driven to rotate said cutter units, causing said cutter units to cut a thermo-shrinking film, the transmission mechanism including a transmission disk having a plurality of receiving holes, which hold a respective axle bearing, which supports the eccentric upper section of one crank shaft, enabling the crank shafts of the cutter units to be rotated synchronously when the crank shaft of one cutter unit is rotated by a transmission belt through a transmission wheel, the cutter holder being slidably mounted in a transverse bottom groove on the locating plate and fixed in place by an adjustment screw to hold the respective cutter blade at the desired position.