Shock absorber outer cylinder bi -polar binding off frock

The utility model relates to a bumper shock absorber production facility field is a shock absorber outer cylinder bi -polar binding off frock particularly. Binding off material returned frock is used for the close up lower close device of operation of shock absorber outer cylinder lower extreme including installing at the workstation of work on the machine, being equipped with on the workstation, is equipped with to be used for the last close device that closes up and operate the shock absorber outer cylinder upper end directly over close device down, go up close device and set up relatively with lower close device, be equipped with the power device who provides power when being used for closing up for last close device on last close device. The utility model is not only simple in structure, and convenient to use, increased guide pillar and guide pin bushing simultaneously, guaranteed the axiality when the urceolus bi -polar closes up, adopt the coaxial material returned, avoid being pressed from both sides t