Search

CN-117181648-B - Broken glass purification color selection device and color selection method

CN117181648BCN 117181648 BCN117181648 BCN 117181648BCN-117181648-B

Abstract

The invention discloses a broken glass purification color selection device and a color selection method, wherein the device comprises a feeding device, a color selection separation device and an air path device; the feeding device is used for vibrating and feeding the materials to the color separation device, the color separation device is used for screening the main purified materials and impurities for the materials at one time, and the gas circuit device is used for assisting the color separation device in removing the judged materials to the corresponding receiving bin. The broken glass purification color selection device and the color selection method can improve screening precision.

Inventors

  • XU YIWEI
  • LIU SENLIN
  • GENG ZHI
  • WU YANGUANG
  • ZHAO JUN
  • LIU RUI
  • GE KAI
  • ZHANG XIAOXIAN
  • WANG CHENGWEN

Assignees

  • 蚌埠化工机械制造有限公司

Dates

Publication Date
20260505
Application Date
20231026

Claims (8)

  1. 1. A crushed glass purification color selection method is characterized in that a crushed glass purification color selection device is used, the crushed glass purification color selection device comprises a feeding device (100), a color selection separation device (200) and a gas path device (300), the feeding device (100) is used for feeding the crushed glass to the color selection separation device (200) in a vibrating mode, the color selection separation device (200) is used for completing screening of main purified materials and impurities on materials at one time, and the gas path device (300) is used for assisting the color selection separation device (200) in removing judged materials to corresponding material receiving bins; The color selection separation device (200) comprises a feeding slideway component (220), a linear array color CCD camera module (230), a main control board and a nozzle component (240), wherein the supporting component (210) is positioned on the supporting component (210), a three-color LED background light strip component (224) is arranged on the feeding slideway component (220) and used for setting background colors required by an image to be collected when main purified materials and impurities are identified, the linear array color CCD camera module (230) is used for collecting the background colors displayed by the three-color LED background light strip component (224) and RGB values of the colors of the materials in the same direction and pixel by pixel, the main control board controls the nozzle component (240) according to data collected by the linear array color CCD camera module (230) to screen and reject the materials flowing through an outlet of the feeding slideway component (220), and the crushed glass purification color selection method comprises the following steps: S100, setting background colors of a three-color LED background light belt assembly (224) according to color attributes of main purification materials and impurities and the characteristics of whether the main purification materials and the impurities transmit light, enabling the background colors to be all set to be approximate colors of the main purification materials, enabling the approximate colors to be different colors of the impurities, and setting the area of monitoring pixels of one or more color channels in a linear array color CCD camera module (230); s200, starting a feeding device (100), wherein a material forms a material flow with a certain inclination on a feeding slide way assembly (220), flows through the upper surface of light-transmitting glass (2211), and enters a material image acquisition space region; S300, acquiring background colors of a three-color LED background light band assembly (224) and RGB values of the material colors by pixels transversely along a material flow in a material image acquisition space area by a linear array color CCD camera module (230), and reading and storing the RGB channel values of image information into a main control board; S400, the information processing unit of the main control board processes the image information values to three degrees, and establishes an original database, a correction database and an enhancement database, wherein the original database is used for rough selection domain logic judgment of a rough selection mode, the correction database is used for fine selection domain logic judgment of a fine selection mode, and the enhancement database is used for strong selection domain logic judgment of a strong selection mode; s500, setting sorting combination programs of one or more modes of a roughing mode, a carefully selecting mode and a strong selecting mode according to the color characteristics of the pre-removed materials respectively corresponding to the main purified materials and the nozzle assemblies (240), wherein the combination programs can be selected from 'OR logic' or 'AND logic'; S600, outputting a control signal to control the action of a corresponding electromagnetic pneumatic valve on the nozzle assembly (240) by the main control board according to a judgment result value fed back by the sorting program in S400, judging that the main purified material does not act by the valve when the material on the feeding slide assembly (220) passes through the nozzle assembly (240) on a sliding path, and controlling the action of the valve when the main purified material flows into a main receiving bin in the receiving bin by the main control board when the material is judged to be impurity; S700, running a self-selected sorting program combination and circularly executing S300-S600 to finish material purification and color sorting; Wherein, in step S400: The method comprises the steps of performing primary processing, namely forming a primary database of the RGB channel according to data acquired by a linear array color CCD camera module (230), wherein the primary database takes the maximum line pixel of a camera as the length and the size of the area of a monitoring pixel as the width; Correction processing, namely performing gray correction processing on the data of the original database according to the set reference value and the upper limit or lower limit value, and improving gray contrast to form a correction database of the channel; And (3) enhancing, namely after setting a reference value and an upper limit or a lower limit value for the data of the original database, carrying out saturation processing on the data of the original database, and enhancing the color brightness of the channel to form an enhanced database of the channel.
  2. 2. The cullet purification color selection method according to claim 1, characterized in that the feed chute assembly (220) comprises a feed chute plate (221), a material anti-bouncing plate (222) and a fine adjustment device (223); The material feeding slide plate (221) and the material anti-bouncing plate (222) are oppositely arranged, a material slide (2212) is formed between the material feeding slide plate and the material anti-bouncing plate, the material slide (2212) is obliquely arranged, and a material inlet and a material outlet of the material slide (2212) are from top to bottom and are wide and narrow; the fine adjustment device (223) is fixedly connected with the supporting component (210) and hinged with the feeding slideway plate (221), and can adjust the inclination angle of the material slideway (2212); The three-color LED background light belt assembly (224) comprises a first three-color LED background light belt assembly (2241) and a second three-color LED background light belt assembly (2242), and is sequentially positioned in the feeding slideway plate (221) according to the sliding direction of materials, and is positioned at the back surface of the light-transmitting glass (2211), and the display surface of the light belt faces the material anti-jump plate (222); the material is provided with vertical setting on preventing jumping flitch (222), and has first rectangle hole and second rectangle hole (2222) of certain dislocation angle, first rectangle hole and second rectangle hole (2222) are in oblique top position for trichromatic LED background lamp area subassembly (224).
  3. 3. The method for purifying and color selecting broken glass according to claim 2, wherein the linear array color CCD camera module (230) is arranged on the supporting component (210) and is on the same side as the material jump preventing plate (222), the linear array color CCD camera module (230) comprises a light supplementing lamp component (231), a transparent glass cover (232) and a camera component (233), the camera component (233) is arranged in the transparent glass cover (232), the light supplementing lamp component (231) is arranged right above the transparent glass cover (232), an imaging lens of the camera component (233) faces the three-color LED background light strip component (224), and the imaging lens of the camera component (233) penetrates through a material slideway (2212) area behind the rectangular hole (2222) and the whole three-color LED background light strip component (224) to form a material image collecting space area.
  4. 4. The cullet purification color selection method according to claim 3, characterized in that the camera assembly (233) comprises a first camera (2331), a second camera (2332), a third camera (2333) and a fourth camera (2334), the first camera (2331) is longitudinally arranged with the third camera (2333), the second camera (2332) and the fourth camera (2334) are longitudinally arranged, and the first camera (2331) and the second camera (2332) are at the same horizontal line, and the third camera (2333) and the fourth camera (2334) are at the same horizontal line; After the photographing lenses of the first camera (2331) and the second camera (2332) penetrate through the first rectangular hole, a photographing material slideway (2212) area and a whole first three-color LED background light belt assembly (2241) area form a first material image acquisition space area; after the imaging lenses of the third camera (2333) and the fourth camera (2334) penetrate through the second rectangular hole (2222), a second material image acquisition space area is formed by the image material slideway (2212) area and the whole second three-color LED background light belt assembly (2242) area.
  5. 5. The cullet purification color selection method according to claim 4, wherein the object distance of the first camera (2331) and the second camera (2332) is greater than half the overall length of the first rectangular hole and less than the overall length of the first rectangular hole, and the object distance of the third camera (2333) and the fourth camera (2334) is greater than half the overall length of the second rectangular hole (2222) and less than the overall length of the second rectangular hole (2222).
  6. 6. The method for purifying and color selecting glass cullet according to claim 4, wherein the nozzle assembly (240) comprises a first nozzle assembly (241) and a second nozzle assembly (242), the first nozzle assembly (241) and the second nozzle assembly (242) are respectively positioned at two sides of a discharge hole of the material slide way (2212), and the first nozzle assembly (241) and the second nozzle assembly (242) have the same structure and are connected with the air circuit device (300) and the main control board; The first nozzle assembly (241) comprises a first airflow distribution tank (2411), a first air inlet pipe (2412) and first nozzle pieces (2413), wherein two ends of the first air inlet pipe (2412) are respectively connected with the first airflow distribution tank (2411) and the air channel device (300), the first nozzle pieces (2413) are fixedly connected with the outside of a shell of the first airflow distribution tank (2411), a plurality of first nozzles (2414) are arranged on the first nozzle pieces (2413), and each first nozzle (2414) is provided with an electromagnetic control valve which is connected with the first airflow distribution tank (2411) through an air pipe and is in communication connection with the main control board.
  7. 7. The method of claim 6, wherein the plurality of first nozzles (2414) in the first nozzle member (2413) are divided into a first nozzle region and a second nozzle region, wherein the main control board controls whether the first nozzles (2414) in the first nozzle region are operated or not according to the result of the acquisition region of the first camera (2331), and wherein the main control board controls whether the first nozzles (2414) in the second nozzle region are operated or not according to the result of the acquisition region of the second camera (2332); The method comprises the steps of dividing a plurality of second nozzles (2424) on a second nozzle member (2423) in a second nozzle assembly (242) into a third nozzle region and a fourth nozzle region, enabling a main control board to control whether the second nozzles (2424) in the third nozzle region act or not according to a collecting region result of a third camera (2333), and enabling the main control board to control whether the second nozzles (2424) in the fourth nozzle region act or not according to a collecting region result of a fourth camera (2334).
  8. 8. The cullet purification color selection method according to claim 7, wherein the color selection separation device (200) further comprises a first fixed baffle plate (251), a second fixed baffle plate (252), a first bin separation adjustment plate (253), and a second bin separation adjustment plate (254) that constitute a material separation channel; The first fixed baffle plate (251) is positioned below the first nozzle assembly (241), the second fixed baffle plate (252) is positioned below the second nozzle assembly (242), and the first bin separation adjustment plate (253) and the second bin separation adjustment plate (254) are positioned between the first fixed baffle plate (251) and the second fixed baffle plate (252); The first impurity channel (2513) is formed by the first fixed baffle plate (251) and the first bin separation adjusting plate (253), the main purification material channel (2534) is formed by the first bin separation adjusting plate (253) and the second bin separation adjusting plate (254), and the second impurity channel (2542) is formed by the second bin separation adjusting plate (254) and the second fixed baffle plate (252); And a first impurity receiving bin (261), a main receiving bin (262) and a second impurity receiving bin (263) are respectively arranged at the outlets of the first impurity channel (2513), the main purification material channel (2534) and the second impurity channel (2542).

Description

Broken glass purification color selection device and color selection method Technical Field The invention relates to the technical field of cullet recovery screening, in particular to a cullet purification color selection device and a color selection method. Background In the industry of recycling renewable resources of glass products, raw materials such as glass bottles, flat glass and the like which can be recycled are processed into materials with granularity within a certain range after being crushed. Because of the raw material mixing factor existing in the recovery of glass products, the crushed glass materials with the granularity within a certain range are doped with impurities such as heterochromatic glass or ceramics, for example, brown, light green or opaque ceramics, stone impurities and the like are doped in the materials when colorless and transparent crushed glass is recovered. At this time, screening the crushed glass materials requires the use of a color sorter. The large multi-color selector in the market mainly uses the food industry of soybean, corn, rice and the like, or is more applied in ore sorting. The color selector can also be applied to material sorting in the dry method recovery of broken glass, but has the problems of low adaptation degree, unsatisfactory screening effect, incapability of simultaneously completing screening of different-color glass and opaque impurities at one time, and the like. In the prior art, the patent publication number CN111408552A discloses an intelligent glass sorting system and an intelligent glass sorting method, glass scraps are placed on a conveying belt and enter a detection system, a main controller of the detection system controls each CCD camera in three groups of CCD units of a CCD camera module to dynamically scan glass scraps on the belt, collected color signals of the glass scraps are obtained, the three groups of CCD units are respectively used for detecting white, brown and green waste glass scraps, and the color signals detected by the CCD units are transmitted into a signal processing system through a light-sensitive receiver. However, the prior art cannot color-select opaque white impurities and white transparent glass, glass scraps are positioned on a conveyor belt, the opaque white impurities and the white transparent glass are identical or very close to each other in phase, and a CCD unit cannot identify the opaque white impurities and the white transparent glass. Disclosure of Invention The invention aims to solve the technical problems that the existing color selector cannot finish screening of different-color glass and opaque impurities at one time and color selection materials are limited. In order to solve the technical problems, the invention provides the following technical scheme: The glass purification color selection device comprises a feeding device 100, a color selection separation device 200 and an air path device 300, wherein the feeding device 100 is used for feeding the color selection separation device 200 in a vibrating mode, the color selection separation device 200 is used for completing the screening of main purified materials and impurities on the materials at one time, and the air path device 300 is used for assisting the color selection separation device 200 in removing the judged materials to the corresponding material receiving bin; The color selection separation device 200 comprises a feeding slideway component 220, a linear array color CCD camera module 230, a main control board and a nozzle component 240, wherein the feeding slideway component 220 is arranged on the supporting component 210, a three-color LED background light band component 224 is arranged on the feeding slideway component 220 and is used for setting background colors required for collecting images when main purified materials and impurities are identified, the linear array color CCD camera module 230 is used for collecting background colors displayed by the three-color LED background light band component 224 and RGB values of the colors of the materials pixel by pixel in the same direction with the flowing direction of the materials, and the main control board controls the nozzle component 240 according to data collected by the linear array color CCD camera module 230 and screens and eliminates the materials flowing through the outlet of the feeding slideway component 220. The three-channel purification color selection device has the advantages that in the field of crushed glass recovery screening, the three-channel purification color selection device is provided, the rejection rate of material screening to impurities is improved, brown and light green glass in the impurities is creatively rejected to the same channel, opaque CSP ceramic, stone and ceramic chip impurities are rejected to another channel, separation is completed once, secondary or multiple screening processes are not needed to be added, manufacturing cost and maintenanc