Aluminum alloy wheel gravity casting die and casting method thereof

A gravity casting, aluminum alloy technology, applied in casting equipment, manufacturing tools, equipment for feeding molten metal into molds, etc., can solve the problems of large machining allowance, many artificial factors, and many aluminum alloy wheel risers.

Inactive Publication Date: 2011-04-27
何丙军 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The aluminum alloy wheels formed by these three casting methods have too many risers, and the follow-up processing allowance is large, resulting in low weight yield of the product
In addition, these three pouring methods are all manually pouring aluminum liquid from the gate into the cav...

Method used

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  • Aluminum alloy wheel gravity casting die and casting method thereof
  • Aluminum alloy wheel gravity casting die and casting method thereof
  • Aluminum alloy wheel gravity casting die and casting method thereof

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Embodiment Construction

[0029] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but the present invention is not limited to the following specific embodiments.

[0030] Such as figure 1 Shown is a schematic cross-sectional structural view of an aluminum alloy wheel gravity casting mold according to an embodiment of the present invention. The aluminum alloy wheel gravity casting mold of the present embodiment comprises a cooling device 7, a top mold 1, a side mold 2, a bottom mold 3 and a mold cavity 4 formed by the top mold 1, the side mold 2 and the bottom mold 3, so that The bottom mold 3 is provided with a splitter cone 5 . The aluminum alloy wheel gravity casting mold also includes a thermos cup 6 connected with the mold cavity 4 and capable of storing molten aluminum, and a pressurizing device that can continuously inject the molten aluminum stored in the thermos cup 6 into the mold cavity 4 , The intercepting device ...

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Abstract

The invention discloses an aluminum alloy wheel gravity casting die and a casting method thereof. The aluminum alloy wheel gravity casting die comprises a cooling device, a top die, a side die, a bottom die and a die cavity formed by the top die, the side die and the bottom die; the bottom die is provided with a sprue spreader; the aluminum alloy wheel gravity casting die also comprises a heat insulation cup communicated with the die cavity and capable of storing molten aluminum, a pressing device capable of enabling the molten aluminum stored in the heat insulation cup to be continuously injected into the die cavity, and a plugging device capable of stopping the molten aluminum stored in the heat insulation cup from flowing into the die cavity under the action of gravity; the heat insulation cup is arranged on a rack of a gravity casting machine, and the plugging device is arranged on the bottom die or the rack of the gravity casting machine; and the casting method for the aluminum alloy wheel gravity casting die comprises molten aluminum injection, pressing, continuous casting, filling, feeding, crystallization and solidification. The cast aluminum alloy wheel has the advantages of a few dead heads, high weight and yield, and good quality stability.

Description

Technical field: [0001] The invention belongs to the technical field of aluminum alloy wheel manufacturing, in particular to an aluminum alloy wheel gravity casting mold and a casting method thereof. Background technique: [0002] At present, the manufacturing methods of aluminum alloy wheels at home and abroad include forging, squeeze casting, low pressure casting and gravity casting, etc., and low pressure casting and gravity casting are casting methods commonly used in China. [0003] Among them, gravity casting refers to the process in which molten aluminum is injected into the cavity under the action of the earth's gravity. According to the position of the molten aluminum gate, it is divided into center casting, side mold casting and bilateral mold casting. Among them, the wheel blank formed by center casting has center pouring riser and upper rim riser; the wheel blank formed by side mold casting has side pouring riser, center riser and upper rim riser; the wheel blank...

Claims

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Application Information

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IPC IPC(8): B22D35/04
Inventor 何丙军乔海中
Owner 何丙军
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