Quenching processing apparatus
AssigneeNippon Steel Corporation
InventorYutaka HAMASAKI
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Abstract
The present invention includes: a conveying mechanism (110) that conveys a workpiece (200) in the longitudinal direction; a supporting mechanism (120) that is arranged on the downstream side in the conveyance direction of the workpiece (200) from the conveying mechanism (110); and a heating mechanism (130) that is arranged on the downstream side in the conveyance direction of the workpiece (200) from the supporting mechanism (120) and heats the workpiece (200), in which the supporting mechanism (120) is formed to include support rolls (121) that abut on an outer surface of the workpiece (200) and each include a hollow structure (122) allowing a cooling medium to pass therethrough therein.
Claims13
A quenching processing apparatus that processes a workpiece, the quenching processing apparatus comprising:
- a conveying mechanism that conveys the workpiece in the longitudinal direction;
- a supporting mechanism that is arranged on the downstream side in the conveyance direction of the workpiece from the conveying mechanism and supports the workpiece;
- and
- a heating mechanism that heats the workpiece, wherein
- the supporting mechanism includes rolls that abut on an outer surface of the workpiece and each include a hollow structure allowing a cooling medium to pass therethrough therein, and
- the roll is formed by including an outer ring portion that abuts on the outer surface of the workpiece;
- a shaft that is arranged at an inner side of the outer ring portion, supports the outer ring portion rotatably, and includes the hollow structure therein;
- and
- a sliding bearing arranged between the outer ring portion and the shaft.
Dependencies are inferred from the claim text.