Tilt type gravity molding device

A gravity casting and tilting technology, which is applied to casting molding equipment, casting molds, casting mold components, etc., can solve the problems of accelerating cooling speed and weakening strength, so as to reduce the amount of molten metal, reduce manufacturing costs, and reduce casting costs Effect

Inactive Publication Date: 2012-10-03
MORIKAWA KANAGATA
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Problems solved by technology

[0004] However, the low-pressure casting device pushes up the molten metal from the lower side of the mold, so the supply pipe is installed on the lower side of the mold to pressurize, so it is impossible to install a cooling device on the lower side of the mold to increase the cooling rate during casting. Casting equipment tends to be weaker than molded products

Method used

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  • Tilt type gravity molding device
  • Tilt type gravity molding device
  • Tilt type gravity molding device

Examples

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Embodiment Construction

[0038] Next, preferred embodiments of the inclined gravity casting device 1 will be described with reference to the drawings. In this embodiment, the inclined gravity casting device 1 for casting a tire wheel (formed product 6 ) made of aluminum alloy is described as an example, however, the inclined gravity casting device 1 may also be used to cast, for example, an engine of an automobile. Devices for cylinders and other components. Such as figure 1 As shown, the inclined gravity casting device 1 has: a casting mold 3, which combines a plurality of detachable metal parts through a hydraulic cylinder to form a cavity 2 for a molded product 6, which can be tilted into an upside-down state and from the upside-down state The erected state raised at about 90 degrees; the bowl-shaped part 4 that stores molten metal 5 such as aluminum alloy; the gate mold formed on the upper part of the casting mold 3 in the erected state, and the gate 71 that receives the molten metal 5 is formed...

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Abstract

A tilt type gravity molding device comprises: a mold (3) which can tilt between a fallen position and a standing position raised approximately 90 degrees from the fallen position; a pouring mold (7) in which a pouring gate (71) for guiding molten metal to the cavity (2) for forming a molded article is formed; and a bowl-like member (4) which contains the molten metal and pours the molten metal into the pouring gate (71) as the mold (3) tilts. In order to eliminate the need for a feeder head and for a reduction in the tilt speed and to enable the molten metal within the mold to be appropriately pressurized by gas, the tilt type gravity molding device also comprises: a blocking means (8) which is provided between the pouring gate (71) and the cavity (2) and which can open and close the pouring gate (71); a gas opening (9) which is provided at the upper part of the mold (3) in the standing position, prevents the molten metal from flowing to the outside of the mold (3), and permits only gas to pass therethough; and a gas supply means (91) which can supply a high-pressure gas to the gas opening (9).

Description

technical field [0001] The present invention relates to a casting device for injecting molten metal into a mold to form a molded product, and more particularly to an inclined gravity casting device for injecting molten metal in a bowl-shaped member into the mold in accordance with the inclination of the mold and solidifying it to obtain a molded product. Background technique [0002] A gravity casting device that injects molten metal into the mold from the gate installed on the upper part of the mold only by the gravity of the molten metal and casts. The cooling rate during casting can be accelerated, and dense castings with good casting surface and dimensional accuracy can be produced. , especially pressure resistance and / or mechanical properties. On the one hand, such a gravity casting device needs to form a riser on the upper part of the molded product to compensate for the volume reduction during solidification, and a time for cooling and solidifying the riser is require...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D23/00B22C9/28
CPCB22D23/006B22C9/28
Inventor 森川俊一井手广文矢野忠幸
Owner MORIKAWA KANAGATA
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