To provide a cutting device capable of cutting many potatoes of a certain size or larger at one time.SOLUTION: A potato cutting device 1 having a sorting mechanism 11 for sending only potatoes of a certain size or larger to the upstream conveyor 211a upstream of a conveyor 211a upstream of a cutting mechanism 21 for cutting potatoes , The sorting mechanism 11 has a configuration in which a plurality of taper rollers 111 aligned in the same direction are disposed side by side in parallel with their respective rotary shafts 1114 from the large diameter side 1112 of the rotating tapered roller 111 Among the potatoes, potatoes not smaller than a certain size that did not fall from the gap 112 of the taper roller 111 are delivered to the conveyer 211 a on the upstream side from the small diameter side 1113.BACKGROUND OF THE INVENTION【課題】一定以上の大きさの芋類のみを、一度に多く切断できる切断装置を提供する。【解決手段】芋類を切断する切断機構21の上流のコンベア211aの上流に、一定以上の大きさの芋類のみを前記上流のコンベア211aに送り出す選別機構11を備えた芋類の切断装置1であって、前記選別機構11は、同じ向きに揃えた複数のテーパーローラ111を、それぞれの回転軸1114を平行に横並びさせた構成で、回転する前記テーパーローラ111の大径側1112から投入された芋類のうち、前記テーパーローラ111の隙間112から落下しなかった一定以上の大きさの芋類を小径側1113から上流のコンベア211aに送り出すことを特徴とする。【選択図】図1
