Automatic glue dispensing equipment for large-size television backboard

The utility model discloses automatic glue dispensing equipment for a large-size television backboard. The automatic glue dispensing equipment comprises a conveying line belt for conveying the backboard, the device further comprises a mechanical arm, the free end of the mechanical arm is provided with a dispensing mechanism used for conducting dispensing on the back plate on the conveying line belt, and the dispensing mechanism is provided with a plurality of dispensing heads. A waste glue removing mechanism for removing waste glue on the glue dispensing head is fixed on the conveying line belt; the waste glue removing mechanism comprises a positioning frame, waste glue collecting cups in one-to-one correspondence with the dispensing heads are arranged on the positioning frame, and air knife mechanisms used for cleaning nozzles of the dispensing heads are arranged on the waste glue collecting cups; according to the glue dispensing device, the air knife mechanism for cleaning the nozzle of the glue dispensing