Patent ID: 8353429

Claim:
A dispensing apparatus, comprising: a support frame; a receiving tube fixed to the support frame, the receiving tube defining a tube cavity for receiving glue material, and an output tube communicating with the receiving tube; a dispenser connected to the receiving tube, the dispenser comprising: a nozzle valve comprising a receiving cavity defined therein to contain the glue material, and an inlet tube defined in a sidewall thereof to communicate with the cavity, the inlet tube communicating with the output tube; a valve plug disposed inside the cavity; an actuating shaft extending through an end of the nozzle valve, and connected to the valve plug; and a nozzle disposed at the other end of the nozzle valve opposite to the actuating shaft; wherein the actuating shaft moves the valve plug away from or closer to the nozzle so as to close or open the inlet opening, respectively; and a slide rail fixed on the support frame, and a sliding member slidably connected to the slide rail; a screw rod engaging with the sliding member; a driving assembly driving the screw rod to move, wherein the driving assembly comprises a driving motor, a driving wheel, an action wheel, and a belt; the driving motor is fixed on the support frame, and the driving wheel is connected to the driving motor; an end of the screw rod is fixed to the action wheel, and the belt is sleeved on the driving wheel and the action wheel; and a push piston fixed on the sliding member, and partially received in the receiving tube for pushing glue material to the dispenser.