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Metal powder mixing device

A metal powder and internal mixing technology, which is applied in the direction of mixers with rotating stirring devices, dissolving, mixing machines, etc., can solve the problems that affect the quality of injection molding products, and the metal powder cannot be evenly mixed, so as to achieve metal powder and bonding Uniformity of agent, improvement of good rate, comprehensive effect of strength

Inactive Publication Date: 2013-12-04
陈冬检
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing banburying equipment can only banbury plastic or rubber products, and the hardness and adhesion of metal are lower than those of plastic or rubber products, so the existing banbury equipment cannot effectively mix metal powder Effective uniform mixing has seriously affected the quality of the final injection molded product

Method used

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  • Metal powder mixing device
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Embodiment 1

[0021] See figure 1 , figure 2 , Embodiment 1 of the present invention, a banburying device, comprising a banburying chamber 1 and two rotors 2 with the same shape and parallel to each other arranged in the banburying chamber 1; wherein, the rotor 2 includes a rotor body 3 and is arranged in the rotor There are two first helical ribs 41 and second helical ribs 42 with opposite helical directions on the surface of the body 3 . In the embodiment of the present invention, the turning direction of the two rotors 2 is opposite and the rotational speed is the same. Since the rotors 2 have helical ribs 4 arranged in the helical direction, and the rotational speeds of the two rotors 2 are the same, the relative speed of the helical ribs 4 of the two rotors 2 The position changes all the time, so that the capacity of the mixture of metal powder and binder between the two rotors 2 also changes all the time, so that the mixture is strongly stirred and kneaded.

[0022] In Embodiment 1...

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Abstract

The invention provides a metal powder mixing device which comprises a mixing chamber and two rotors with the same shape and arranged parallelly inside the mixing chamber, wherein the two rotors are rotated in the reverse directions and at the same rotating speed; each rotor comprises a rotor body as well as a first spiral protruded ridge and a second spiral protruded ridge both arranged on the surface of each rotor body; each first spiral protruded ridge and each second spiral protruded ridge screw in the reverse directions; each first spiral protruded ridge screws and extends to the middle position of each rotor body from the position of the rotor body near to the mixing chamber wall; each second spiral protruded ridge screws and extends to the end part position of each rotor body from the middle position of each rotor body. According to the invention, through the adoption of the technical scheme, the strength of shearing and pinching the metal powder and an adhesive is greater and more comprehensive, and the final obtained feed contains more uniform metal powder and adhesive.

Description

technical field [0001] The invention relates to a metal powder banburying device, which belongs to the field of polymer material processing equipment. Background technique [0002] The existing metal powder injection molding technology is a near-net forming technology formed by introducing modern plastic injection molding technology into the field of powder metallurgy. The metal powder injection molding process includes a banburying process, which is a process of mixing metal powder and a binder to obtain uniform feeding, and the nature of the feeding determines the performance of the final injection molding product, so the banburying process Steps are very important. However, the existing banburying equipment can only banbury plastic or rubber products, and the hardness and adhesion of metal are lower than those of plastic or rubber products, so the existing banbury equipment cannot effectively mix metal powder Effective uniform mixing has seriously affected the quality o...

Claims

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Application Information

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IPC IPC(8): B01F7/08B01F15/00B01F15/02
CPCB29B7/183B29B7/186B29B7/22B29B7/7495
Inventor 陈冬检
Owner 陈冬检
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