Automatic four-edge centering and positioning assembly machine

The utility model discloses an automatic four-side centering and positioning assembling machine which comprises a mobile phone battery cover assembling seat, an outer box hood, a screw rod centering assembly and an upper suction press-fit assembly, is simple in structure and convenient to use, is fixed on parallel fulcrums through clamping jaws of a centering mechanism, is equipped with a linear guide rail group, and is convenient to assemble and disassemble. The 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 device is simple in structure, low in cost, small in occupied space, convenient to operate and high in practicability. The equipment stability is reliable, and meanwhile, the assembling speed and the