Positioning mechanism for shoe sole threading machine

The utility model discloses a positioning mechanism for a shoe sole threading machine, which structurally comprises a workbench, a cabinet, a support frame, a pedal and a support plate, and is characterized in that a shoe sole is placed on a pressing plate in the workbench, and the pressing plate is pressed to receive pressure; the connecting rod is connected with the rolling shaft on the axis to drive the pushing block to move, so that the pushing block compresses air in the channel, the pushing block at the inner end is pushed through the compressed air in the channel and clamps the shoe sole, meanwhile, the positive magnet and the negative magnet attract each other to temporarily fix the pressing plate, and the pressing plate is pressed when the shoe sole is processed. According to the shoe sole processing equipment, a pressing plate is arranged on the base, a spring below the pressing plate is extruded to be compressed, then the pressing plate is rebounded through rebounding of the spring, a workbench of