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Low-plastisity metallic hollow profile continuous casing and forming device

A technology of forming equipment and hollow profiles, applied in the field of metallurgical casting, to achieve the effect of uniform composition and superior mechanical properties

Inactive Publication Date: 2008-03-05
XIAN UNIV OF TECH
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] The purpose of the present invention is to provide a continuous casting forming equipment for low-plastic metal hollow profiles, which solves the problems existing in the prior art when low-plastic metals are cast into hollow profiles, so as to meet the requirements of manufacturing small-diameter rings / sleeves / barrels with high strength Requirements of wear-resistant metal parts for casting blanks

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  • Low-plastisity metallic hollow profile continuous casing and forming device

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Embodiment Construction

[0019] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0020] 1. As shown in Figure 1, the present invention has designed a kind of equipment of vertical upward leading continuous casting hollow profile, mainly is made up of intermediate frequency induction holding furnace 1, multifunctional furnace cover 4, mechanical traction mechanism and air pressure control system. The crucible 2 is placed in the medium frequency induction holding furnace 1, and four holes are opened on the furnace cover 4, two thick and two thin, and the inlet / exhaust pipe 6 and the thermocouple tube 7 are inserted into the thin holes, and the insertion is sealed at high temperature; the two thick holes have steps , the riser pipe 12 made of metallurgical industry nozzle material and the pouring pipe 3 are inserted vertically and parallelly, the flange seat at the top is on the step of the coarse hole, and is sealed with hig...

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Abstract

The present invention discloses continuous casting former for hollow section of low plasticity metal. The continuous casting former includes one heat insulating intermediate frequency furnace, one furnace cover, one crucible, one pouring pipe, one pouring cup, one riser tube penetrating the furnace cover and inserted into the crucible, and one crystallizer opposite to the upper end of the riser tube for the melt to be led upwards into the graphite muff of the crystallizer. The furnace cover and the crucible have their melt surfaces constituting one sealed cavity. During continuously casting, the melt entering to the crystallizer vertically along the riser tube is solidified to form the pipe shell, and the pipe with shell reaching the required thickness is drawn out of the crystallizer continuously by the traction machine. The liquid surface inside the crystallizer is maintained in a constant height, and the present invention makes it possible to produce small diameter and thin wall cast pipe.

Description

technical field [0001] The invention belongs to the technical field of metallurgical casting, and relates to casting forming equipment, in particular to a continuous casting forming equipment for casting low-plasticity metals into hollow profiles. Background technique [0002] Low-plasticity metals are important members of the family of structural materials, mainly including cast iron, high-strength heat-resistant steel (Babbitt alloy), aluminum-silicon alloy, high-strength aluminum-magnesium alloy, and high-strength copper-based alloy. Due to the low plasticity of these materials, it is impossible to use the process of hot perforation-spinning-cold drawing to make hollow profiles. The existing molding methods are mainly single-piece centrifugal casting or sand casting. For hollow profiles with thin diameters and thin walls, these two forming methods are not ideal. The thin-walled pipes of sand casting have many air holes, sand inclusions, and slag inclusions, low producti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D11/14
Inventor 许扬
Owner XIAN UNIV OF TECH
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