Program verifying device of numerically controlled wire cutting machine

The utility model discloses a program verifying device of a numerically controlled wire cutting machine, which relates to an auxiliary device of a machine tool, which comprises a pen frame and an auxiliary workbench, wherein the pen frame comprises a pen support, a handle, a step shaft-shaped pen sleeve and a pen arranged in the pen sleeve, the pen support comprises a transverse beam and an outer casing which is fixedly connected with the cross beam, the outer casing is provided with a transverse beam and a vertical beam, the transverse beam is fixed on a machine frame upper line frame, the handle is fixed on a small end of the pen sleeve, a connecting position of the small end and a big end of the pen sleeve are sleeved with a spring, the lower portion of the sleeve is fixedly provided with a guide nail which is matched with the transverse slot or the vertical slot of the outer casing, a mounting hole is arranged in the big end of the pen sleeve, and the pen is fixed in the mounting hole. The auxiliary workb