Dielectric material particle sorting equipment and method for preparing Lunberg lens antenna

Abstract

The invention discloses a dielectric material particle sorting device and method for preparing a Lunberg lens antenna. The device includes a cabinet, a fan, an air duct, a blanking funnel and a collecting tank; the blanking funnel is installed on the top of the cabinet , the lower end of which is provided with a discharge port with adjustable opening width; the collection tank is installed at the bottom of the cabinet, and it is provided with a plurality of collection areas arranged along a predetermined direction; the fan is installed in the cabinet to Density and particle size determine the blowing air volume, and provide air flow according to the blowing air volume; the air duct is connected to the fan, and the air outlet is facing the material outlet. The air duct is used to guide the air flow to form a continuous directional wind, and the direction The wind direction is adjusted to the horizontal direction, so that the single-bundle blanking is blown down to the collection area corresponding to the density of the single-bundle blanking. The invention can automatically sort and collect medium material particles with specified particle diameters and different densities according to the requirements of the density gradient range.

Description

technical field [0001] The invention relates to the technical field of manufacturing a Lunberg lens antenna, in particular to a sorting device and method for dielectric material particles used to prepare a Lunberg lens antenna. Background technique [0002] Lunberg lens antennas are suitable for multi-beam communication fields. They have a wide range of acceptance angles and high bandwidth. They can gather and capture electromagnetic waves in any direction, and can also emit electromagnetic waves in any direction. At the same time, they have the advantage of uniformity of radio waves in all directions. Lunberg lens antennas have high requirements on the particle size, density uniformity and density gradient distribution of the dielectric material particles that make up the dielectric lens body during the preparation. When preparing a dielectric lens, it is usually necessary to sort and collect dielectric material particles with uniform particle size and different densities a...

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Problems solved by technology

[0003] At present, in the field of Lumber lens antenna manufacturing, there is no equipment that can automatically realize the automatic sorting and collection of dielectric material particles with specified particle sizes and different densities. Although technologies with similar functions are available in other fields, they are not suitable for Lumber. In the field of lens antenna manufacturing, the dielectric material particles used in the preparation of Lunbo lens antenna have light weight, small particle size (0.5mm~3.5mm), narrow density distribution range (0.05g / cm 3 ~0.65g / cm 3 ), and the range of the same density gradient required for the preparation of Lunberg lens antennas is small. Before the preparation, it is necessary to sort the dielectric material particles with a specified particle size according to the density gradient requirements, so as to realize the specified particle size and different densities of the dielectric material particles. Realize classification and collection according to the required density gradient range

Existing equipment cannot meet the requirements of sorting and collecting medium material particles according to the density gradient range

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