ROTARY DEVICE

To provide a rotary device which facilitates positioning (centering) between a center of a double shaft and centers of each motor, and can simplify work in repair and maintenance.SOLUTION: A granulator 1 includes a base plate 13, a double shaft 3 having an inner shaft 31 and a hollow outer shaft 32, an extrusion blade 33 connected to the outer shaft 32, a press blade 34 connected to the inner shaft 31, a first motor 41 for rotationally driving the outer shaft 32, and a second motor 42 for rotationally driving the inner shaft 31, in which the first motor 41 is provided with a speed reducer having a first hollow gear 41e and an upper side mounting part 41a capable of being connected to the base plate 13, and the base plate 13 and the upper side mounting part 41a are provided with positioning means for performing positioning so that a shaft center of the outer shaft 32 and a shaft center of the first hollow gear 41e coincide with each other in connection.SELECTED DRAWING: Figure 4 【課題】二重軸の中心とそれぞれのモータの中心との位置合わせ（芯出し）を容易にし、修理やメンテナンス等を行う際の作業を簡素化することができる、回転装置を提供する。【解決手段】造粒機１は、ベース板１３と、内軸３１と中空の外軸３２とを備える二重軸３と、外軸３２と連結される押出羽根３３と、内軸３１と連結される加圧羽根３４と、外軸３２を回転駆動させる第一のモータ４１と、内軸３１を回転駆動させる第二のモータ４２と、を備え、第一のモータ４１には、第一の中空ギヤ４１ｅを備える減速機と、ベース板１３に対して連結可能な上側取付け部４１ａと、が設けられ、ベース板１３及び上側取付け部４１ａには、連結の際に外軸３２の軸心と第一の中空ギヤ４１ｅの軸心とが一致するように位置決め可能な位置決め手段が設けられる。【選択図】図４