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Gravity casting-liquid forging combined casting device and process

A liquid die forging and gravity casting technology, which is applied in the field of casting technology, can solve the problems of high casting production cost, complex process, and huge equipment, and achieve the effects of fast casting speed, wide application range, and low cost

Pending Publication Date: 2020-06-16
SHENYANG AEROSPACE UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this process is relatively complicated, the equipment is huge and complicated, which makes the production cost of castings high and its application is limited.

Method used

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  • Gravity casting-liquid forging combined casting device and process
  • Gravity casting-liquid forging combined casting device and process
  • Gravity casting-liquid forging combined casting device and process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] Such as Figure 1 to Figure 4 As shown, a casting device combining gravity casting and liquid forging, including a base 1, an upper mold 3, a side mold set 2, a movable mold 9, a sprue cup 6, a plugging slider 4, and a plugging chute 5. Pressurized oil cylinder 11; the base 1 is installed on the frame, and the lower surface of the base 1 is equipped with a pressurized oil cylinder 11, or the base 1 is installed on the ground, and the pressurized oil cylinder 11 is installed in the foundation pit below the ground , the piston rod of the pressurized cylinder 11 passes through the central hole of the base 1 and the end is fixedly installed with the lower surface of the movable mold 9, and the upper surface of the base 1 is respectively equipped with a fixed mold 10 and a side mold group 2, and the side mold group 2 A ring-shaped side module group 2 is formed by several side modules, and the outer surface of each side module is equipped with a mold opening and closing cylin...

Embodiment 2

[0056] Such as Figure 5 to Figure 7 As shown, a casting device combining gravity casting and liquid forging, including a base 1, an upper mold 3, a side mold set 2, a moving mold 9, a sprue cup 6, a plugging slider 4, and a plugging chute 5 and a pressurized oil cylinder 11; the base 1 is installed on the frame, and the lower surface of the base 1 is equipped with a pressurized oil cylinder 11, or the base 1 is installed on the ground, and the pressurized oil cylinder 11 is installed in the foundation pit below the ground The end of the piston rod of the pressurized cylinder 11 passes through the center hole of the base 1 and the end is fixedly installed on the lower surface of the movable mold 9. The upper surface of the base 1 is equipped with a side module 2, and the side module 2 consists of two side modules. Composed, and the mold opening and closing cylinder 8 is installed on the outer circular surface of the side module, and the mold opening and closing cylinder 8 is f...

Embodiment 3

[0065] Such as Figure 8 to Figure 10As shown, a casting device combining gravity casting and liquid forging, including a base 1, an upper mold 3, a side mold set 2, a moving mold 9, a sprue cup 6, a plugging slider 4, and a plugging chute 5 and pressurized oil cylinder 11, described base 1 is installed on the frame, and pressurized oil cylinder 11 is installed on the lower surface of base, and described pressurized oil cylinder 11 is two, or base is installed on the ground, and pressurized oil cylinder 11 is installed in the foundation pit below the ground, the piston rods of the two pressurized oil cylinders 11 pass through the through holes on the base respectively, and the rear end is connected with the lower surface of the movable mold 9, and the upper surface of the base 1 is equipped with a side module 2, The side module group consists of two side modules to form a square side module group, and a mold opening and closing cylinder 8 is installed on the side wall where th...

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Abstract

The invention relates to a gravity casting-liquid forging combined casting device and process. The casting device has three forms, the first form comprises a base, an upper die, a side die set, a fixed die, a moving die, a pouring cup, a plugging slide block, a plugging sliding groove, a pressurizing oil cylinder, a rack and a handle; the second form comprises a base, an upper die, a side die set,a movable die, a pouring cup, a plugging sliding block, a plugging sliding groove, a pressurizing oil cylinder, a positioning pin, a handle and a rack; and the third form comprises a base, an upper die set, a side die set, a plurality of movable dies, a pouring cup, a plugging sliding block, a plugging sliding groove, a plurality of pressurizing oil cylinders, a rack and a handle. According to the casting device and process, gravity casting and liquid forging are organically combined together, the pressure on liquid metal is increased through gravity casting equipment, so that the liquid metal is solidified under the pressure, the inherent quality of castings is remarkably improved, shrinkage porosity and shrinkage cavities are reduced, and the mechanical property is improved; and the device is simple in structure, low in cost and high in casting molding speed, and the production efficiency is remarkably improved.

Description

technical field [0001] The invention belongs to the technical field of casting technology, and in particular relates to a casting device and technology combining gravity casting and liquid die forging. Background technique [0002] Pressure coagulation has many advantages. The metal liquid solidifies under pressure, and as the pressure increases, the feeding capacity of the interdendritic alloy liquid increases, which reduces the shrinkage cavity and porosity of the solidified sample, and increases the density, thereby effectively reducing the porosity of the casting. When the applied pressure increases, the subcooling degree of the metal liquid can also be increased, so that the number of spontaneous nucleation nuclei increases, thereby refining the grains. These advantages have improved the quality of castings and improved their mechanical properties. [0003] Gravity casting refers to the process in which molten metal is poured into the mold under the action of the grav...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D17/12B22D18/02
CPCB22D17/12B22D18/02
Inventor 刘玉林毕常兰
Owner SHENYANG AEROSPACE UNIVERSITY
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