Welding accurate positioning guarantee tool for flexible assembly of valve seat assembly and cylinder barrel

The invention discloses a welding accurate positioning guarantee tool for flexible assembly of a valve seat assembly and a cylinder barrel, which comprises a base, a turntable mounted on the base, a bearing mounted at the upper end of the base, a rotating shaft for mounting and connecting the bearing and the turntable, an upper baffle plate and a lower baffle plate symmetrically mounted on the turntable, and positioning screws mounted on the upper baffle plate and the lower baffle plate, the hydraulic cylinder valve seat assembly welding device has the advantages that operation is easy, universality is good, the welding and assembling labor intensity is lowered, the size chain precision of oil ways of a front cavity and a rear cavity of a hydraulic cylinder is guaranteed, production efficiency and safety are improved, and the technical requirement for precise positioning and welding of a hydraulic cylinder valve seat assembly and a cylinder barrel is met. 本发明公开一种阀座组件与缸筒柔性组装的焊接精准定位保证工装，包括：底座、安装在底座上转盘、安装在底座上端的轴