Core print for vertical type semicontinuous casting of thin-wall hollow cast tube

A semi-continuous core technology, applied in the field of cores for vertical semi-continuous casting of thin-walled hollow cast pipes, can solve the problems of narrow pouring space for casting thin-walled hollow cast pipes, affecting pouring temperature and fluidity, etc., to avoid Cooling leaks, low cost, and easy operation

Inactive Publication Date: 2015-09-23
洛阳双瑞达特铜有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The pouring space for casting thin-walled hollow pipes is narrow, and the pouring pool has no space and affects the pouring temperature and fluidity

Method used

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  • Core print for vertical type semicontinuous casting of thin-wall hollow cast tube
  • Core print for vertical type semicontinuous casting of thin-wall hollow cast tube

Examples

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Embodiment Construction

[0018] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0019] Such as figure 1 shown, and refer to figure 2 , a core head for vertical semi-continuous casting thin-walled hollow cast pipe, the core head is a structure with a spindle-shaped inner cavity 9, from top to bottom are connecting section 1, casting diameter section 2 and cooling crystallization section 3; the pouring sizing section 2 and the cooling crystallization section 3 are located in the crystallizer 16, the connecting section 1 protrudes from the crystallizer 16 and is connected with the crystallizer 16 as a whole through the clamp 17; the pouring sizing section The outer wall surface of section 2 is an arc-shaped surface that gradually expands from top to bottom and smoothly transitions, forming a large enough pouring space in the upper part with the inner wall surface of the crystallizer, and the arc-shaped surface that pours t...

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Abstract

The present invention relates to the technical field of metal alloying casting equipment, and relates to a core print for vertical type semicontinuous casting of a thin-wall hollow cast tube. The core print is of a structure having a spindle type inner cavity (9) and is successively provided with a connecting segment (1), a pouring sizing segment (2) and a cooling crystallization segment (3) from top to bottom; an outer wall surface of the pouring sizing segment (2) is an arc-shaped surface which is gradually expanded from top to bottom with smooth transition, and a pouring space with an upper portion large enough is formed between the outer wall surface of the pouring sizing segment (2) and an inner wall surface of a crystallizer (16); the cooling crystallization segment (3) is a truncated cone body which is gradually reduced from top to bottom, and smooth transition is provided between the cooling crystallization segment (3) and the pouring sizing segment (2); inclination of the cooling crystallization segment (3) is 1-3; the bottom of the core mask is provided with a base plate (6) for enclosing the spindle type inner cavity; and the core mask is also provided with an outlet duct and a water inlet pipe (13). The thin-wall hollow cast tube which has qualified quality of internal organization without defect on internal and external surfaces, and has qualified dimensional tolerance can be casted.

Description

technical field [0001] The invention belongs to the technical field of metal alloy casting equipment, and mainly relates to a core head for vertical semi-continuous casting of thin-walled hollow cast pipes. Background technique [0002] Semi-continuous casting of copper alloy ingots is undoubtedly the best casting technology, with good ingot quality and economical casting speed. Copper alloy processing enterprises mostly use coreless crystallizers to semi-continuously cast solid copper alloy ingots, and then undergo high temperature Heating and hot extrusion of large extruders realize the production of copper alloy tube blanks. If the hollow ingot can be semi-continuously cast without extrusion, it will greatly save energy consumption and processing procedures, and save a lot of processing costs, which can meet the actual needs of hollow cast pipes in special occasions. [0003] At present, relatively mature hollow cast tube production technologies mainly include centrifuga...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D11/059
Inventor 张智强郜贞轩詹尧
Owner 洛阳双瑞达特铜有限公司
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