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Salt core manufacturing device and method for pressure casting

A technology for making a device and a salt core, applied in the field of casting, can solve the problems of low efficiency and long time

Pending Publication Date: 2018-12-18
南京博乔机械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] It can be seen from this that the production process is divided into multiple processes, and it takes a long time, especially the sintering process, which needs to be fed into the furnace in batches, and the temperature should reach above 800°C, and it must be kept for enough time to wait for the salt products to be sintered into one. For industrial production needs, the efficiency is too low, so there is a need for a more efficient way to cast salt cores

Method used

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  • Salt core manufacturing device and method for pressure casting
  • Salt core manufacturing device and method for pressure casting

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Embodiment Construction

[0037] refer to figure 1 and figure 2, a salt core manufacturing device for pressure casting according to the present invention, said device comprising: a melting and holding furnace 1, a plurality of heating elements 11 are arranged on the inner wall along the circumference of the melting and holding furnace 1, and the plurality of heating elements 11 are arranged along the melting and holding furnace 1 are radially arranged on the inner wall of the melting and holding furnace 1; the melting crucible 2 is inserted in the melting and holding furnace 1 and the opening end corresponds to the mouth of the melting and holding furnace 1, and the opening end cover of the melting crucible 2 is provided with a pot cover 21, Form a seal to the opening end of the melting crucible 2, a liquid outlet 22 is provided in the middle of the surface of the pot cover 21, and an air inlet 23 is provided on the surface of the pot cover 21 at least one side of the liquid outlet 22; a casting workb...

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Abstract

The invention provides a salt core manufacturing device and method for pressure casting. The salt core manufacturing device comprises a melting holding furnace, a melting crucible, a casting workbench, a die, a material pipe, a supporting frame, a lifting hydraulic cylinder, at least one compressed air pipe, two lateral moving hydraulic cylinders, a hydraulic power pack and an electric cabinet. Aheating piece is arranged on the inner wall of the melting holding furnace. The melting crucible is arranged in the melting holding furnace in an inserted mode, a crucible cover is arranged on the melting crucible in a covering mode, and a liquid outlet and an air inlet are formed in the surface of the crucible cover. The casting workbench comprises a working support and a workbench plate, and theworkbench plate is provided with a liquid outlet opening. A cavity is formed in the inner side of the die, two side plates and an upper cover plate are assembled and detachably connected, and a liquid inlet is formed in a bottom plate. The supporting frame comprises two vertical rods and a cross rod, and the two ends of a lifting cross plate are arranged on the two vertical rods in a sleeving mode. The lifting hydraulic cylinder is erected on the cross rod. The hydraulic power pack comprises a hydraulic source and a hydraulic pump. The salt products formed by the manufacturing device is compact inside and has no porosity, shrinkage or other defects, after the solidification is completed, the die is opened and the product is taken out, remanufacturing can be performed, the ability of continuous production is achieved, and the production efficiency of a salt core is improved.

Description

technical field [0001] The invention belongs to the technical field of casting, and in particular relates to a salt core manufacturing device for pressure casting and a manufacturing method thereof. Background technique [0002] In some precision castings such as automobiles and aero-engines, for those inner walls and small holes whose shapes are particularly complex and cannot be manufactured by machining or other similar molding methods, casting technology can be used for direct molding. [0003] This requires that the cores used not only have high strength, high dimensional accuracy and high stability, but also have good collapsibility for easy cleaning. For castings with complex inner cavities, low-pressure or normal-pressure casting methods are used, such as sand casting, gravity metal casting, low-pressure casting, etc., and widely used sand cores can meet their requirements. For high-pressure casting, the strength of the sand core is difficult to meet the requirement...

Claims

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Application Information

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IPC IPC(8): B22D17/22
CPCB22D17/22
Inventor 金永乐
Owner 南京博乔机械有限公司
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