Granulating device for sintered ferrite magnet dry pressing

A permanent magnet ferrite, dry pressing forming technology, applied in the direction of solid separation, granulation in static tanks/slots, sieving, etc., can solve the problem of uneven particle size distribution, harsh workplace environment, large workplace dust, etc. problems, to achieve the effect of ensuring the pass rate, preventing agglomeration and accumulation, and ensuring comfort and hygiene

Inactive Publication Date: 2011-08-24
MAGNETIC MATERIAL FACTORY MEIZHOU CITY GUANGDONG PROV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the simple structure of the mixing equipment and only a single mixing paddle, the particle size distribution during mixing and granulation is uneven. In order to improve the uniformity of the granulation particles, it is often assisted by manual stirring by hand or other tools, resulting in labor High strength, large dust in the workplace and unsafe
After mixing polyvinyl alcohol solution and magnetic powder, it is easy to form large particles. When ordinary vibrating sieves are sieved, manual kneading is required to achieve a high sieving rate. The dust raised during sieving will cause a bad environment in the workplace. Large agglomerated pellets need to be crushed again to meet the molding requirements

Method used

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  • Granulating device for sintered ferrite magnet dry pressing
  • Granulating device for sintered ferrite magnet dry pressing
  • Granulating device for sintered ferrite magnet dry pressing

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Embodiment Construction

[0022] refer to Figure 1 to Figure 5 As shown, a granulation device for dry pressing of sintered permanent magnet ferrite according to the present invention includes a machine 1, a granulation chamber 2 is provided on the machine 1, and a sealing cover is provided above the granulation chamber 2 The plate 2d is provided with a glue filling port 2e on the sealing cover plate 2d, and a stirring mechanism 3 is provided at the inner bottom of the granulation chamber 2. The stirring mechanism 3 is composed of a coaxially connected mixing paddle 3a and a centrifugal wheel 3b. The centrifugal wheel 3b Set above the mixing paddle 3a; the mixing paddle 3a is composed of three blades with an angle α of 20°-30° to the horizontal plane, and the gap between the blades and the bottom surface of the granulation chamber 2 is 1-3mm; the mixing paddle 3a A centrifugal wheel 3b is provided above to prevent the accumulation of the intermediate magnetic powder. The centrifugal wheel 3b consists o...

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Abstract

The invention discloses a granulating device for sintered ferrite magnet dry pressing, belonging to the technical field of granulating devices. The device is characterized by comprising a bench, wherein a granulating cavity is formed on the bench, a stirring mechanism is arranged at the bottom in the granulating cavity and connected with a first drive device; a granulating blade is arranged on the internal wall of the granulating cavity and connected with a second drive device; a granulating outlet is formed on the lower side of the inner wall of the granulating cavity and is provided with a valve; and the valve is provided with an open / close device, and a screening mechanism is communicated with the lower side of the granulating outlet. The invention aims at providing the granulating device with high automatic degree, uniform granulation and high powder screening rate, which is used for powder granulation of sintered ferrite magnet dry pressing.

Description

technical field [0001] The invention relates to a granulation device, more specifically, to a granulation device for dry pressing of sintered permanent ferrite. Background technique [0002] Sintered permanent magnet ferrite dry press molding products are widely used in toys, stationery and other fields due to their advantages in price and molding efficiency. The powder used for dry pressing requires the addition of glassy polyvinyl alcohol or camphor and other binders during granulation. Most of the existing powder granulation equipment uses mixers in plastics and other industries to granulate, and then use Ordinary vibrating sieve. Due to the simple structure of the mixing equipment and only a single mixing paddle, the particle size distribution during mixing and granulation is uneven. In order to improve the uniformity of the granulation particles, it is often assisted by manual stirring by hand or other tools, resulting in labor The strength is high, the workplace is d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J2/10B07B1/22
Inventor 肖新文刘增华肖映秋蔡文贵陈玉兰
Owner MAGNETIC MATERIAL FACTORY MEIZHOU CITY GUANGDONG PROV
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