Device for preventing multi-angle lighting reflection of color sorter

Abstract

The invention belongs to the field of color sorting light sources of a color sorter, and discloses a device for preventing multi-angle lighting reflection of a color sorter. Color sorting light sources are mounted inside a sorting box; a sliding plate or a slideway of a material is mounted right in front of the sorting box; light emitting diode (LED) light sources are fully arranged on the edge of the lower end part of the sliding plate or the slideway of the material; a layer of polarization film is arranged on the surfaces of the LED light sources; a polarization light filter is arranged on a lens of a camera. According to the technical scheme, a color-sorted material can be radiated from multiple angles, then no shadow is caused below the material when a material with large size is sorted, moreover no reflection phenomenon is caused when the material which is radiated by hard light from multiple angles is sorted through the camera, and the color sorting efficiency of the material is improved.

Description

technical field [0001] The invention belongs to the field of color sorting light sources for color sorting machines, and more specifically relates to a multi-angle lighting reflective device for color sorting machines that can illuminate color sorting materials from multiple angles to reflect light. Background technique [0002] Color sorters are widely used in many fields, such as color sorting and grading of sesame, peanuts, rice, soybeans and other grains in the food industry, grading of tea, and some chemical industries such as plastic sheets, plastic granules, salt, etc. can also use color sorters Carry out color sorting and grading classification or remove impurities. The color sorter uses photoelectric technology to automatically sort out the different-color particles in the granular material according to the difference in the optical characteristics of the material. At present, the photoelectric color sorter independently developed in China has also been widely used...

AI Technical Summary

Problems solved by technology

However, most of the existing color sorters use the traditional slide-type color sorting lighting method. The color sorting lighting source is mostly installed in the sorting box, and the light source is irradiated on the surface of the skateboard. When the color sorting is working, the color sorting light source can only shine on the On the surface of color sorting material particles, when color sorting peanuts, broad beans, cashew nuts and other bulky materials, there will be a large shadow under the material. The existence of this shadow will seriously affect the sorting of materials and seriously affect the color. The color sorting effect of the sorting machine, in order to solve this kind of problem, it is often used to set the lighting source at multiple positions or angles on the color sorting machine, so that the light at certain angles will be too strong, making the setting and sorting box The reflection phenomenon of the camera lens makes the material overexposed, which also seriously affects the color sorting efficiency of the color sorter

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