The metal pre-treatment spray line plays a role in cleaning the stains on the surface of aluminum profiles. At the same time, a layer of chrome film is formed on the surface of the profile to prepare for powder spraying. The spray line uses the principle of spraying to continuously apply the liquid on the surface of the workpiece, with strong continuity and high efficiency, suitable for large-scale operation requirements. It is widely used. Traditional pre-treatment spray lines have inconvenient positioning of the spray pipe and complex installation of internal components. At the same time, when multiple sets of nozzles spray the profile, some of the spray liquid accumulates in the spray chamber, which is difficult to clean and affects the use of the pre-treatment spray line.

　　金屬前處理噴淋線，包括外殼，所述外殼的下表面固定安裝有底座，且外殼的兩側外壁底部位置均設置有固定架，兩組所述固定架遠離外殼的上表面均固定安裝有若干組水泵，所述水泵的上表面固定連接有抽液管，且水泵的一側和外殼的頂部位置之間固定安裝有輸液管，所 述外殼的兩側內壁位置分別設置有第一噴淋管和第二噴淋管，且第一噴淋管和第二噴淋管以 外殼為中心對稱設置，所述外殼的頂部兩側位置分別開設有和第一噴淋管、第二噴淋管對應 匹配的連接槽，所述輸液管的下端設置在連接槽的內部，所述第一噴淋管和第二噴淋管的上 端分別焊接在相對應所述輸液管的下端，所述外殼的內壁頂部位置水平設置有吊軌和兩組定位塊，所述第一噴淋管、第二噴淋管和外殼之間均固定安裝有三組卡環，三組所述卡環在豎直方向上平行分布，所述外殼的內壁底部中間位置設置有固定塊，所述外殼的內壁底部前后 側邊緣位置均焊接有擋板，且外殼的內壁底部兩側邊緣位置分別開設有第一集液槽和第二集 液槽，所述第一噴淋管和第二噴淋管分別設置在第一集液槽和第二集液槽的上方，位于前側 邊緣位置所述擋板的前表面底部兩側邊緣均固定安裝回收管。

　　A metal pre-treatment spray line, comprising an outer shell, wherein a base is fixedly installed on the lower surface of the outer shell, and fixed brackets are provided at the bottom positions of the outer walls on both sides of the outer shell. Two sets of fixed brackets are fixedly installed on the upper surfaces far from the outer shell, and several sets of water pumps are fixedly installed. The upper surface of the water pump is fixedly connected with a suction pipe, and an infusion pipe is fixedly installed between one side of the water pump and the top position of the outer shell. The first and second spray pipes are respectively installed on the inner walls of both sides of the outer shell, and the first and second spray pipes are symmetrically arranged around the outer shell. Connection grooves corresponding to the first and second spray pipes are respectively provided on both sides of the top of the outer shell. The lower end of the infusion pipe is set at Inside the connection slot, The upper ends of the first spray pipe and the second spray pipe are respectively welded to the lower end of the corresponding infusion pipe. The top position of the inner wall of the shell is horizontally provided with a suspension rail and two sets of positioning blocks. Three sets of snap rings are fixedly installed between the first spray pipe, the second spray pipe, and the shell, and the three sets of snap rings are distributed parallel in the vertical direction. A fixing block is set in the middle position of the bottom of the inner wall of the shell. The front and rear edges of the bottom of the inner wall of the shell are welded with baffles, and the first and second liquid collection tanks are respectively set on both sides of the bottom of the inner wall of the shell. The first and second spray pipes are respectively set in the first and second liquid collection tanks. Above the groove, recycling tubes are fixedly installed on both sides of the bottom edge of the front surface of the baffle located at the front edge position.

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