Lifting device of vibrating polishing machine

The utility model discloses a lifting device of a vibrating polisher, which is characterized in that the upper end of a cylinder body of a double-head cylinder is fixed at the central position below a shell, the lower end of the cylinder body is fixed on a bracket through a radial fixing block, the upper end of a piston rod of the double-head cylinder penetrates through the bottom of the shell and is fixedly provided with a clamp, and the lower end of the piston rod is fixedly provided with a rotation stopping device; the rotation stopping device comprises a sliding rail vertically fixed to the support, one end of a connecting plate is fixed to the lower portion of the piston rod, a bearing is fixed to the other end of the connecting plate, the bearing can roll on the sliding rail, and an air source is communicated with the double-end air cylinder through a reversing valve and an air pipe. According to the technical scheme, a clamping workpiece on the vibration polishing machine can be stably lifted. 本实用新型公开了