PROBLEM TO BE SOLVED: To provide an apparatus for assembling a screw member capable of reliably removing parts with a damaged screw thread, and thereby capable of assembling the screw member having superior operation accuracy, in the assembly of the screw member for use in a portable medical fluid administration device.SOLUTION: An apparatus for assembling a screw member is provided for screwing a nut into a lead screw. The apparatus for assembling the screw member includes: a fixing part for fixing any one of the lead screw or the nut； and a fluid blow-down part for relatively screwing the nut into the lead screw by blowing a fluid to the other of the lead screw or the nut, while arranging any other of the screw member or the nut in any of the lead screw or the nut fixed by the fixing part in a specified state.SELECTED DRAWING: Figure 6COPYRIGHT: (C)2019,JPO&INPIT【課題】携帯型の薬液投与装置に用いられるネジ部材の組み立てにおいて、ネジ山が破損した部品を確実に排除することが可能で、これにより動作精度の良好なネジ部材の組み立てが可能なネジ部材組み立て装置を提供する。【解決手段】送りネジにナットをねじ込むためのネジ部材組み立て装置であって、前記送りネジまたは前記ナットの何れか一方を固定するための固定部と、前記固定部に固定された前記送りネジまたは前記ナットの何れか一方に、前記ネジ部材または前記ナットの何れか他方を所定状態で配置した状態で、前記送りネジまたは前記ナットの何れか他方に流体を吹き当てることで前記送りネジに対して前記ナットを相対的にねじ込む流体吹き出し部とを備えたネジ部材組み立て装置である。【選択図】図６
