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Liquid metal pouring technology capable of increasing hot metal flow rate and reducing pouring time

A technology of liquid metal and pouring time, which is applied in the direction of metal processing equipment, the control of molten metal pouring from the ladle, and the equipment for sending molten metal into the mold, etc., to achieve the effect of shortening the pouring time and speeding up the flow rate

Active Publication Date: 2018-06-01
杨合军
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a liquid metal pouring process that increases the flow rate of molten iron and reduces the pouring time, so as to solve the problems that occur when the existing sand molds are poured in series

Method used

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  • Liquid metal pouring technology capable of increasing hot metal flow rate and reducing pouring time

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Embodiment 1

[0030] In the actual process, when vertical sand molds are poured in series, liquid metal is first injected into the pouring ladle, and the liquid metal is injected into the pouring ladle at a certain height from the sand mold. The series connection of the road and the sand mold realizes the connection between the sand mold and the pouring ladle. The pouring ladle is set higher than the height of the sand mold to ensure a certain height difference between the two, so that the liquid metal forms a certain pressure when pouring through the pouring ladle to speed up the flow rate. After the liquid metal is injected into the pouring ladle, the liquid metal must be pressed into the cavity in the sand mold through the pouring ladle through the runner. The most central sand mold is connected in series with the sand mold of vertical molding by pouring ladle. The liquid metal is directly pressed into each vertical sand mold by pouring the ladle to complete the pouring process of the c...

Embodiment 2

[0033]In the actual process, when vertical sand molds are poured in series, liquid metal is first injected into the pouring ladle, and the liquid metal is injected into the pouring ladle at a certain height from the sand mold. The series connection of the road and the sand mold realizes the connection between the sand mold and the pouring ladle. The pouring ladle is set higher than the height of the sand mold to ensure a certain height difference between the two, so that the liquid metal forms a certain pressure when pouring through the pouring ladle to speed up the flow rate. After the liquid metal is injected into the pouring ladle, the liquid metal in the pouring ladle must be pressed into the sand mold, and the liquid metal is pressed into the cavity through the runner. The sprue is lengthened on the water riser at the upper part of the vertically molded sand mold, and the water riser is arranged on the upper part of the sprue, and the lower part of the extended sprue is m...

Embodiment 3

[0035] In the actual process, when vertical sand molds are poured in series, liquid metal is first injected into the pouring ladle, and the liquid metal is injected into the pouring ladle at a certain height from the sand mold. The series connection of the road and the sand mold realizes the connection between the sand mold and the pouring ladle. The pouring ladle is set higher than the height of the sand mold to ensure a certain height difference between the two, so that the liquid metal forms a certain pressure when pouring through the pouring ladle to speed up the flow rate. After the liquid metal is injected into the ladle, the water outlet at the lower part of the valve of the ladle is directly connected to the longitudinal sprue at the lower part of the vertical sand mold. The longitudinal sprue anastomotic connection device for pouring the lower part of the ladle is made separately. The liquid metal is directly pressed into each vertical sand mold through the longitudi...

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Abstract

The invention discloses a liquid metal pouring technology capable of increasing hot metal flow rate and reducing pouring time. The liquid metal pouring technology capable of increasing the hot metal flow rate and reducing the pouring time includes the steps that liquid metal is injected into a pouring hot metal ladle, the pouring hot metal ladle and sand moulds are matched and connected in a sealing mode, a valve below the pouring hot metal ladle is opened, the liquid metal is pressed into a mold cavity through a pouring gate, the valve of the pouring hot metal ladle is closed, a valve of thepouring gate is closed, and castings are molded. According to the liquid metal pouring technology capable of increasing the hot metal flow rate and reducing the pouring time, the sand moulds which arein series connection can increase the liquid metal flow rate and reducing the pouring time in the pouring process. The affection to the castings due to the lengthening pouring gate and the increasingcastings can be effectively solved.

Description

technical field [0001] The invention relates to the technical field of liquid metal pouring, in particular to a liquid metal pouring process that increases the flow rate of molten iron and reduces the pouring time. Background technique [0002] In daily production, steel, iron and most non-ferrous metal alloy castings can be obtained by sand casting. In the prior art, castings are all cast by sand molds. In order to increase the quantity of castings formed in one pour, pouring is performed in series. Casting in series can reduce the number of pours, increase the number of castings formed by one pour, improve efficiency, improve the utilization of molten iron, reduce casting costs, and reduce labor costs. [0003] In the prior art, when pouring is performed by connecting sand molds in series, liquid metal cannot enter the mold cavity within a specified time due to the large number of sand molds and long runners. Therefore, when pouring in series, it is necessary to increas...

Claims

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Application Information

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IPC IPC(8): B22D35/04B22D37/00
CPCB22D35/04B22D37/00
Inventor 杨合军
Owner 杨合军
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