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Metal powder tube forming die and metal powder tube preparation method

A metal powder and tube forming technology, which is applied in the field of metal powder tube forming dies and metal powder tube preparation, can solve problems such as limitations, and achieve the effects of improving yield, reducing adhesion, and reducing the difficulty of assembly and disassembly

Active Publication Date: 2014-06-18
苏州海普过滤分离科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At the same time, the vertical sintering method limits the choice of furnace body type

Method used

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  • Metal powder tube forming die and metal powder tube preparation method
  • Metal powder tube forming die and metal powder tube preparation method
  • Metal powder tube forming die and metal powder tube preparation method

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Embodiment Construction

[0027] In conjunction with the accompanying drawings, the present invention is described in detail, but the scope of protection of the present invention is not limited to the following examples, that is, all simple equivalent changes and modifications made with the patent scope of the present invention and the content of the specification are still patents of the present invention. covered.

[0028] Such as figure 1 The metal powder tube forming die shown is a preferred embodiment of the present invention, the metal powder tube forming die includes an inner mold 1, an outer mold 2 and a plug 3, the inner mold is sleeved in the outer mold and the two A powder tube molding cavity 4 is formed between them; there are two plugs, which are respectively arranged in the two ports of the powder tube forming cavity formed by the inner mold and the outer mold for sealing the cavity; The mold is a rigid mold made of high temperature resistant glass tube. The inner mold includes a polyur...

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Abstract

The invention discloses a metal powder tube forming die and a metal powder tube preparation method. A high-temperature resistant glass tube is used as a rigid die for pressing, the glossiness, the roundness and the linearity of product surfaces are greatly improved, pressing pressure is reduced, so that the porosity of a metal powder filter tube is greatly improved, the fluid infiltration capacity of a die tube is increased, and a filter die tube blank is filled with high-temperature resistant aluminum oxide ceramic balls serving as internal supports. Therefore, adverse consequences such as collapse and deformation of a powder tube caused by non-uniform contraction in the contraction process during sintering are greatly reduced, and the yield of products is improved. Besides, as the aluminum oxide ceramic balls are placed into the filter die tube blank to serve as the internal supports, the placement mode of the die tube blank in a furnace can be improved, the blank can be horizontally placed in the furnace and can also be vertically placed and sintered, and the requirement for furnace types is relaxed.

Description

technical field [0001] The invention relates to a metal powder tube forming die and a method for preparing the metal powder tube. Background technique [0002] Die separation technology is an important part of modern chemical engineering and environmental protection, and is one of the emerging high-tech industries in the 21st century. Die separation technology has many advantages, among which the most notable advantages are high efficiency, energy saving and no pollution. It is widely used in petrochemical, modern medicine, thermal power generation and many other fields. Die products can be divided into organic and inorganic moulds. The materials of inorganic molds are mainly divided into ceramics and metals. Inorganic molds have many advantages, such as high mechanical strength, high pressure resistance, and high temperature resistance. Compared with ceramic molds, metal molds are easier to manufacture by welding and other means, while the packaging of ceramic mold tubes...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22F5/12B22F3/03
Inventor 徐小平
Owner 苏州海普过滤分离科技有限公司
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