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    • 3. 发明授权
    • Apparatus for electrostatically spray-coating workpiece with paint
    • 用涂料静电喷涂工件的设备
    • US5288029A
    • 1994-02-22
    • US785262
    • 1991-10-30
    • Ichirou IshibashiToshio KubotaNiichi ToyamaShoko SasakiYukihito OnoAkihiko Tada
    • Ichirou IshibashiToshio KubotaNiichi ToyamaShoko SasakiYukihito OnoAkihiko Tada
    • B05B5/16B05B12/14B05B5/02
    • B05B5/1675B05B5/1625B05B12/14
    • An apparatus for electrostatically spray-coating a workpiece with conductive paint which includes a color changeover valve mechanism for selectively supplying conductive paint, cleaning liquid and air. A flush valve mechanism is provided for selectively supplying the cleaning liquid and the air. A first directional control valve includes an outlet and inlets. The inlets are connected to feed lines extending from the color changeover valve mechanism and the flush valve mechanism, respectively. A block line is made of an insulating material and has a first end connected to the outlet of the first directional control valve. The block line includes a second end in communication with the first end. A second directional control valve is provided having outlets and an inlet. The inlet is connected to the second end of the block line. An intermediate reservoir is connected via a feed line to one of outlets of the second directional control valve. A waste-liquid tank is connected via a first discharge line to a second outlet of the second directional control valve. A spray gun is connected via a delivery line to the intermediate reservoir. A second discharge line is branched from the delivery line via a changeover valve. A discharge line cleaning mechanism is provided for selectively supplying at least cleaning liquid and air to the second discharge line. A high voltage is applied to the conductive paint between the second directional control valve and the spray gun.
    • 一种用导电涂料对工件进行静电喷涂的装置,其包括用于选择性地供应导电涂料,清洁液体和空气的颜色转换阀机构。 提供了一种冲洗阀机构,用于选择性地供应清洗液和空气。 第一方向控制阀包括出口和入口。 入口分别连接到从颜色切换阀机构和冲洗阀机构延伸的供给管线。 块线由绝缘材料制成,并且具有连接到第一方向控制阀的出口的第一端。 块线包括与第一端连通的第二端。 提供具有出口和入口的第二方向控制阀。 入口连接到块线的第二端。 中间储存器经由进料管线连接到第二方向控制阀的出口之一。 废液槽经由第一排出管线连接到第二方向控制阀的第二出口。 喷枪通过输送管线连接到中间储存器。 第二排出管线通过切换阀从输送管线分支。 提供排出线清洁机构,用于至少选择性地向第二排出管线提供清洗液和空气。 向第二方向控制阀和喷枪之间的导电涂料施加高电压。