The invention discloses an automatic
assembly production line of buzzers, which comprises a feeding mechanism, a glue
coating mechanism, a
buzzer piece placing mechanism, a straight contact pin placing mechanism, a first
thermoplastic pipe placing mechanism, an inclined contact pin placing mechanism, a second
thermoplastic pipe placing mechanism, a
thermoplastic pipe heat sealing mechanism, a contact pin
welding mechanism, a dispensing mechanism, a curing mechanism and a detecting and sorting mechanism, which are sequentially arranged on a work table; the glue
coating mechanism comprises an automatic shell locating mechanism located behind a glue applicator, and the automatic shell locating mechanism comprises a motor, a rotating jig, an
optical fiber sensor, a motor base, a supporting plate and a sensor bracket; the
optical fiber sensor is a reflective
optical fiber sensor and is arranged to be aligned to the shell; and the optical
fiber sensor is installed on the upper part of the sensor bracket, and the lower part of the optical
fiber sensor is fixed to the side plate of the supporting plate. The automatic
assembly production line disclosed by the invention has the advantages of smart design and simple structure, realizes high level
automation, replaces the manual operation, reduces the cost of manpower and physical resources and improves the production efficiency of the
assembly line.