This invention aims to provide a device for discarding invalid tickets of a ticket ticketing machine (eg, a train ticketing ticket machine). In particular, the invention is designed to fundamentally prevent and prevent reuse of invalid tickets by physically cutting or punching the invalid tickets so that they cannot be used.;This invention cuts the ticket to a certain length in the first driving unit, prints the text information and provides it to the second driving unit; A waste cutter (1) installed in front of the invalid ticket collector (69) for storing the information in the normal table in the second driving unit and discharging the collected ticket if there is an invalid ticket determination; The waste cutter 1 has an upper punch rod 8 which is supported by the return spring 7 and which is operated by the lower punch sheet 5 and the driving means 6 having the cutting section 3 attached thereto and having the cutting guide 4 thereon. ) And a ticket detection sensor 9; After detecting that the ticket is between the punches 1 through the sensor 9, the control unit temporarily stops driving of the second driving unit 72, lowers the punch rod 8 to cut or puncture the ticket, and then returns time. Waits for the punch rod 8 to be raised to its original position along the return spring 7 and continues the invalid ticket processing.
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