A pneumatic skeleton voice coil loudspeaker voice coil stretcher that is used for square positive pole aluminium skeleton voice coil loudspeaker voice coil

The utility model provides a pneumatic skeleton voice coil loudspeaker voice coil stretcher that is used for square positive pole aluminium skeleton voice coil loudspeaker voice coil, the on -line screen storage device comprises a base, the base right side is equipped with the right branch fagging, install the micrometer on the right branch fagging, the micrometer top is equipped with fastening screw, fastening screw installs on the right branch fagging, the base left side is equipped with left support plate, the left support plate left side is equipped with pressure bar, be equipped with atmospheric pressure push pedal and regulating block on the installation pole, the left side of regulating block is located in the atmospheric pressure push pedal, the atmospheric pressure push pedal is installed on pressure bar's push rod, be equipped with left mounting panel in the atmospheric pressure push pedal, be equipped with right mounting panel on the regulating block, be equipped with the tensile mould in the right