The invention relates to a border ditch edge closing device for a seeder.The device is installed on the side of the main frame of the seeder.And furrow edge closing device,Including: oil pressure cylinder,Movable arm,Colter wheel and positioning hook seat；The rear end of the oil cylinder is pivoted on the upper frame rod of the main frame.And the front end of the oil pressure rod of the oil pressure cylinder is pivoted to the middle of the movable arm；The rear end of the movable arm is pivoted on the frame bar under the main frame.The front end of the movable arm is provided with a positioning seat for the installation of the plough wheel；A supporting rod is arranged on the back of the colter wheel.The colter wheel is arranged on the positioning seat at the front end of the movable arm with its supporting rod；The positioning hook seat is arranged on the outer end of the frame rod under the main frame.A concave hook part is arranged on the positioning hook seat for the movable arm to span；Driven by the control of the hydraulic cylinder,Drive the oil pressure rod to pull the movable arm,To control the moving arm to be placed horizontally or retracted.And the colter wheel installed at the front end of the movable arm is also retracted.本創作係有關一種播種機用之畦溝收邊裝置，該畦溝收邊裝置係裝設於播種機之主架側邊上，而畦溝收邊裝置，包含有：油壓缸、活動臂、犁刀輪及定位勾座；該油壓缸之後端係樞設於主架之上架桿上，而油壓缸之油壓桿前端則樞接於活動臂之中間處；該活動臂之後端係樞設於主架之下架桿上，而活動臂之前端設有供犁刀輪裝設之安置座；該犁刀輪之背部連設一支撐桿，犁刀輪以其支撐桿裝設於活動臂前端之安置座上；該定位勾座係設於主架之下架桿外側端上，定位勾座上設有凹勾部供活動臂跨置；藉由油壓缸之控制驅動，驅使油壓桿拉動活動臂，以控制活動臂平放或收掀，而裝設於活動臂前端之犁刀輪亦隨之收放者。
