| 摘要 |
PURPOSE: A device for automatically forming holes on a pole guide bush is provided to accurately form holes on a plurality of pole guide bushes per each step by one pressing operation with a press so that an inspection process can be omitted. CONSTITUTION: A device for automatically forming holes on a pole guide bush(4) comprises a material supply unit continuously supplying pole guide bushes which are cut at constant length; a hole forming device which includes upper and lower molds, where a plurality of receiving grooves(22) for seating the pole guide bushes supplied from the material supply unit, and which punches holes on each receiving grooves for forming a U-shaped hole and a fixing hole at different positions of the pole guide bush; and a pattern supply device which is arranged in the upper part of the hole forming device to be movable vertically and horizontally and moves and supplies the pole guide bushes to the receiving grooves while repeatedly reciprocating a constant distance. |
