| 摘要 |
PURPOSE: A guide roller is provided to prevent the leakage of coolant, and stably maintain cooling for a product since the durability of a connecting part is increased, thereby improving the quality of a casting. CONSTITUTION: A guide roller(160) includes a multi-division roller body(162), a coupling part, and plural supporting parts(170). A transferring flow path(160) for coolant is formed inside the multi-division roller body(162). The coupling part is supplied to the end portion of the roller body(162) so that the coupling part rotates in mesh with the end portion of the other roller body(162). The coupling part has a prescribed length so that the roller body(162) is allowed to slide in axial direction. The plural supporting parts(170) are supplied to a segment(110). The plural bearings(172,174), by which the roller body(162) is rotatably supported, are continuously equipped inside the plural supporting parts(170). An insert member(166) is supplied to the transferring flow path(160) for coolant so that the transferring flow paths(160) for coolant of the roller bodies(162), which are adjacent to each other, communicate with each other. Plural sealing parts, which seal the transferring flow path(160) for coolant, are equipped with the outside of the insert member(166). The coupling part includes plural concavo-convex parts(168) which are concave or convex in axial direction, and are arranged in circumferential direction at regular distances at the connecting part(163) of the roller body(162). The plural concavo-convex parts(168) are coupled to be inserted into the plural concavo-convex parts(168) of the other adjacent roller body(162).
|
