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Unequal-thickness deep-cavity shell mold aluminum alloy component squeeze casting device and using method thereof

A technology for aluminum alloy components and extrusion casting, which is applied in the field of extrusion casting devices for aluminum alloy components, can solve the problems of shrinkage porosity and thermal cracking, shrinkage holes at hot joints, and non-dense formed parts, and achieves the effect of high utilization rate.

Active Publication Date: 2021-04-16
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention is to solve the casting defects such as shrinkage cavities, shrinkage porosity and hot cracks that are easily produced at hot joints during the cooling and solidification process of the existing unequal-thick deep-cavity shell-type aluminum alloy components, resulting in irregularities in the formed parts. In order to avoid the technical problems of compactness and low mechanical properties, a squeeze casting device for aluminum alloy components with unequal thickness and deep cavity shell and its application method are provided

Method used

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  • Unequal-thickness deep-cavity shell mold aluminum alloy component squeeze casting device and using method thereof
  • Unequal-thickness deep-cavity shell mold aluminum alloy component squeeze casting device and using method thereof
  • Unequal-thickness deep-cavity shell mold aluminum alloy component squeeze casting device and using method thereof

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specific Embodiment approach 1

[0049]DETAILED DESCRIPTION OF THE INVENTION The present embodiment is an inequal thick deep cavity aluminum alloy member extruded casting device, such asFigure 1 - Figure 13As shown, it is specifically formed by a side core assembly, a mold type cavity assembly, a mold fixing mounting assembly, an open-pending mechanism assembly, a member assembly, and a component casting mechanism assembly;

[0050]The side core assembly is a left-liquid pressure cylinder fixing block 9, a left hydraulic cylinder 8, a left-filled rod 25, a right hydraulic cylinder fixed block 20, a right hydraulic cylinder 19, a right replenishing rod 17, a front hydraulic cylinder fixed block 34, the front hydraulic cylinder 35 and the front replenup rod 29 are composed; the left hydraulic cylinder fixing block 9 is mounted on the left end of the upper mold fixing sleeve 2, and the left hydraulic pressure; the left hydraulic pressure The cylinder 8 is mounted on the outer side wall of the left hydrating cylinder fixi...

specific Embodiment approach 2

[0056]DETAILED DESCRIPTION OF THE INVENTION The present embodiment is different from that of the particular embodiment: the pull-up slope of the upper mold 3 is 1.5 °. Others are the same as those of the specific embodiments.

specific Embodiment approach 3

[0057]DETAILED DESCRIPTION OF THE INVENTION 3: The present embodiment and the specific embodiment one or two different: the lower mold fixing sleeve 7 and the left side mold fixing sleeve 4, the right side mold fixing sleeve 21, the front side mold fixing sleeve 28 and the rear The angle of the inclined surface and the horizontal plane in the surface of the side mold fixing sleeve 31 is 120 °. Others are the same as those of the specific embodiments.

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Abstract

The invention discloses an unequal-thickness deep-cavity shell mold aluminum alloy component squeeze casting device and a using method thereof, and relates to an aluminum alloy component squeeze casting device and a using method thereof. The device aims to solve the technical problem that casting defects such as shrinkage cavities, shrinkage porosity and hot cracks are extremely easy to generate at hot joints in the cooling solidification process of casting of existing unequal-thickness deep-cavity shell type aluminum alloy components. The device is composed of a side core-pulling assembly, a mold cavity assembly, a mold fixed installation assembly, a mold opening and closing mechanism assembly, a component ejection mechanism assembly and a component pouring mechanism assembly. According to the device, molten metal enters a mold cavity from a pouring gate in the direction opposite to the gravity direction, and after mold filling is completed, pressure is directly applied to an unequal-thickness deep-cavity shell mold aluminum alloy component through a lower ejector rod; and in the solidifying process of the unequal-thickness deep-cavity shell mold aluminum alloy component, forced pressure supplementing is conducted on the position, with the larger wall thickness, of the unequal-thickness deep-cavity shell mold aluminum alloy component through the side core-pulling assembly, so that the defects of shrinkage porosity, shrinkage cavities and the like caused by the large wall thickness difference of complex parts are overcome.

Description

Technical field[0001]The present invention relates to an aluminum alloy member extrusion casting apparatus and a method of use thereof.Background technique[0002]The aluminum alloy is a problem in the field of metal material processing in the form of a metal material, which is more complicated in the shape of a metal material. It is required to have better mechanical properties. Under normal circumstances, when using traditional casting techniques, it will produce a low degree of goodness, poor mechanical properties and unstable mechanical properties. When using forging techniques, it will generate a cumbersome, waste, material waste, Cost has a problem of higher cost. Therefore, the above disadvantages can be overcome by pressing the extrusion casting. Using extrusion casting techniques can combine the advantages of casting and forging, with a shorter process, a component, a complicated, high moral performance of the shape. The extrusion casting technique is a metal in which a metal...

Claims

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Application Information

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IPC IPC(8): B22D17/00B22D17/22
Inventor 姜巨福王迎胡国权管仁国付莹
Owner HARBIN INST OF TECH
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