| 摘要 |
PURPOSE: A device for removing a punching foreign substance of a guide hole of an LCD back light sheet is provided to instantly discharge a high-voltage discharge air by a nozzle connected with a high-voltage air device to a guide hole of a punched sheet, thereby efficiently removing a punching foreign substance remaining in the guide hole. CONSTITUTION: A conveyor belt(2) is mounted in an upper part of a body(1). Discharge valves(4,4') are combined with fixing bars(3,3') in the upper part of the body(1). The discharge valves(4,4') are combined with an air supply pipe on an upper end, and form an air discharge hole on a lower end. The fixing bars(3,3') combined with the discharge valves(4,4') are inserted by a guide bar in a middle part to slide down. A lower part of the fixing bars(3,3') is coupled with a rotational screw axis connected to a driving motor. Vertical/horizontal intervals of the fixing bars(3,3') are controlled by an operation of the driving motor.
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