Automatic four-edge centering and positioning assembly machine

The invention discloses an automatic four-edge centering and positioning assembly machine which comprises a mobile phone battery cover assembly seat, an outer box hood, a lead screw centering assembly and an upper suction press-fit assembly. The automatic four-edge centering and positioning assembly machine is simple in structure and convenient to use, clamping jaws of a centering mechanism are fixed to parallel fulcrums, and a linear guide rail set is arranged; a positive and negative tooth lead screw enables the positioning clamping jaw to be parallelly and quantitatively close to the center, the positioning clamping jaw is connected with a pressure sensor to control the force, it is ensured that a product does not deform within a certain force, a force power source is driven by a controlled servo motor, and the assembly machine is simple in structure, low in cost, small in occupied space, convenient to operate, the equipment stability is reliable, and meanwhile, the assembling speed and the assembling prec