Heat treatment furnace and heat treatment facility comprising it
AssigneesToyota Jidosha Kabushiki Kaisha, Nihon Kohnetsu Industrial Co., Ltd.
InventorsKazuhide Takano, Shinji Goto
Life of this patent
Estimating the term…
Abstract
With regard to a heat treatment furnace (a solution furnace 1 and an ageing furnace 3), a furnace chamber 15 comprises a furnace body 12 opening downward and a floor body 14 closing the lower opening of the furnace body 12 and rotatably driven, and one or plural stages of mounting shelves 16 on which work pieces 8 are mounted are provided in the furnace chamber 15. Hot-air circulation equipments 20A and 20B circulating hot air in the furnace chamber 15 along the peripheral direction when viewed in plan are provided in the furnace body 12. The mounting shelves 16 are fixed to a prop 17 standingly provided on the floor body 14 and are rotated integrally with the floor body 14.
Claims9
A heat treatment furnace having a furnace chamber comprising:
- a furnace body having a lower opening;
- and
- a floor body closing the lower opening of the furnace body,
- wherein:
- one or plural stages of mounting shelves on which a work piece is mounted are provided in the furnace chamber;
- an intake port and an exhaust port are provided in a perimeter of the furnace body to intake and exhaust hot-air;
- the intake port and the exhaust port are arranged such that the hot-air flows in the horizontal direction in the furnace body;
- and
- the floor body is provided therein with a chute part communicated with outer space below the floor body, and a sand discharge mechanism having a lid for opening and closing a lower opening of the chute part.
A heat treatment furnace, comprising:
- a furnace chamber of the heat treatment furnace, the furnace chamber comprising:
- a furnace body having a lower opening;
- and
- a floor body closing the lower opening of the furnace body,
- wherein the furnace chamber is divided into an upper space and a lower space by a partition;
- wherein the upper space is constructed as an ageing furnace performing an ageing treatment;
- wherein the lower space is constructed as a solution furnace performing a solution treatment;
- wherein one or plural stages of mounting shelves on which a work piece is mounted are provided in each of the ageing furnace and the solution furnace;
- wherein an intake port and an exhaust port are provided in a perimeter of the furnace body to intake and exhaust hot-air;
- wherein the intake port and the exhaust port are arranged such that the hot-air flows in the horizontal direction in the body;
- wherein the floor body is provided therein with a chute part communicated with outer space below the floor body, and a sand discharge mechanism having a lid for opening and closing a lower opening of the chute part;
- and
- wherein the furnace body further comprises:
- a hot-air circulation equipment circulating hot air in the ageing furnace along a peripheral direction when viewed in plan, and
- a hot-air circulating equipment circulating hot air in the solution furnace along the peripheral direction when viewed in plan.
Heat treatment facility comprising:
- a heat treatment furnace having a furnace chamber comprising:
- a furnace body having a lower opening;
- and
- a floor body closing the lower opening of the furnace body,
- wherein:
- one or plural stages of mounting shelves on which a work piece is mounted are provided in the furnace chamber;
- an intake port and an exhaust port are provided in a perimeter of the furnace body to intake and exhaust hot-air;
- and
- the intake port and the exhaust port are arranged such that the hot-air flows in the horizontal direction in the furnace body;
- wherein the heat treatment furnace further comprises a solution furnace and an ageing furnace;
- and
- the heat treatment facility comprises the solution furnace and the ageing furnace.
Dependencies are inferred from the claim text.