Aluminum alloy formwork device for external wall heat preservation

The utility model discloses an aluminum alloy formwork device for external wall heat preservation, which comprises a top plate, the top plate is in a regular hexagon shape, one side of the top plate is communicated with a discharging pipe and a feeding pipe, the feeding pipe is communicated with a PU spraying mechanism through a pipeline, the periphery of the other side of the top plate is provided with a closed fence, and the closed fence and the top plate form an open box-shaped structure. According to the PU coating net hanging device, net hanging can be rapidly carried out, the net is fixed at multiple points at the same depth, the net is conveniently and evenly laid in a PU layer in the follow-up process, the overall tensile resistance and strength of the PU layer are improved, and meanwhile the PU coating net hanging device can be suitable for PU coating net hanging construction of laying of other layers. 本实用新型公开了一种外墙保温用铝合金模板装置，包括顶板，顶板为正六边形，顶板一侧连通有出料管和进料管，进料管通过管道连通有PU喷涂机构，顶板的另一侧外周上设置有封闭式围挡，与顶板构成开放式盒状结构，