The present invention relates to an apparatus for fixing a rail for a seeding machine, comprising: a first conveyor a second conveyor connected to the first conveyor and provided with a seeding box from the first conveyor so as to transfer thereof a first and a second soil coverer provided spacing apart from each other on the first and the second conveyor and for supplying soil to the seeding box and a rice seed seeding machine disposed between the first and the second soil coverer and for supplying a rice seed to the seeding box wherein the apparatus for fixing a rail for a seeding machine includes: a pair of lower fixing plates configured to have a flat plate shape at both sides of a lower portion where the first and the second conveyor are connected to each other and with each lower fixing plate to have slots each being open toward a front and a rear portion so as to be fixed to each of the first and the second conveyor by means of a bolt a side surface fixing plate formed extending to have an upper portion facing each of the pair of lower fixing plates and formed to have opposite portions, opposite to the facing direction, each connected to a belt of each of the first and the second conveyor a pair of connecting bars having a cylindrical shape formed extending to each of the side surface fixing plates in a direction faced by the pair of the side surface fixing plates and with each connecting bar to have a screw thread formed on an outer peripheral surface facing each other and a left and right width controller provided to be coupled inside with each of the pair of connecting bars and having a hexagonal cross-section.COPYRIGHT KIPO 2016본 발명은 파종기용 레일고정장치에 관한 것으로 제1컨베이어 및 제1컨베이어와 연결되어 제1컨베이어로부터 육묘상자를 공급받아 이송하는 제2컨베이어가 구비됨과 아울러 제1컨베이어 및 제2컨베이어 상에는 육묘상자에 복토를 공급하는 제1복토기 및 제2복토기가 서로 이격 구비되고, 제1복토기 및 제2복토기의 사이에는 육묘상자에 볍씨를 공급하는 볍씨파종기가 구비되는 파종기용 레일고정장치에 있어서, 상기 제1컨베이어 및 제2컨베이어가 상호 연결되는 하부 양측에 각각 평판형으로 형성되어 구비되며, 각각에는 전방 및 후방으로 각각 개방된 장공이 형성되어 제1컨베이어 및 제2컨베이어와 볼트로 고정되는 한 쌍
