Rotatable joint for a liquid quenching drum

Details Rotatable joint for a liquid quenching drum Rotatable joint for a liquid quenching drum

C - Chemistry, Metallurgy

21

D

C21D 1/63 (2006.01) C21D 9/00 (2006.01)

Patent

CA 2290690

The liquid quenching system (20) for heat treating small parts discharged from a furnace includes a bearing (210) and bearing support (231) that provide cantilevered support to a rotary quenching drum (53). A rotatable joint (202) that rotatably connects the rotary quenching drum (53) to a transfer chute (35) does not provide the majority of support for the rotary quenching drum (53). Accordingly, the rotatable joint (202) can comprise no bearing at all or can be an inexpensive, easy to manufacture bearing or other juncture device. A protection member (201) is connected to the output end of the transfer chute (35) and protects the rotatable joint (202) from damage from contact with metal parts that are being quenched.

La présente invention concerne un système de refroidissement par liquide (20) destiné au traitement thermique de pièces de petite taille déchargées depuis un four. Ce système comprend un palier (210) et un porte-palier (231) soutenant en porte-à-faux le tambour de refroidissement rotatif (53). Etant donné qu'un joint rotatif (202) reliant de façon rotative le tambour de refroidissement rotatif (53) à une goulotte de transfert (35) n'assure pas en totalité le soutien du tambour de refroidissement rotatif (53), on peut soit concevoir ce joint rotatif (202) sans palier du tout, soit concevoir un palier ou tout autre dispositif de jonction facile à fabriquer et à moindres coûts. Un élément de protection (201) est relié à l'extrémité de sortie de la goulotte de transfert (35) et protège le joint rotatif (202) des détériorations dues au contact avec les pièces métalliques en cours de refroidissement.

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