JPS57124220A - Photoelectric detector of color screening machine - Google Patents

Photoelectric detector of color screening machine

Info

Publication number
JPS57124220A
JPS57124220A JP922581A JP922581A JPS57124220A JP S57124220 A JPS57124220 A JP S57124220A JP 922581 A JP922581 A JP 922581A JP 922581 A JP922581 A JP 922581A JP S57124220 A JPS57124220 A JP S57124220A
Authority
JP
Japan
Prior art keywords
grains
color
dissimilar
reflected light
wavelengths
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP922581A
Other languages
Japanese (ja)
Inventor
Toshihiko Satake
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SATAKE SEISAKUSHO KK
Satake Engineering Co Ltd
Original Assignee
SATAKE SEISAKUSHO KK
Satake Engineering Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SATAKE SEISAKUSHO KK, Satake Engineering Co Ltd filed Critical SATAKE SEISAKUSHO KK
Priority to JP922581A priority Critical patent/JPS57124220A/en
Publication of JPS57124220A publication Critical patent/JPS57124220A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/36—Sorting apparatus characterised by the means used for distribution
    • B07C5/363—Sorting apparatus characterised by the means used for distribution by means of air
    • B07C5/365—Sorting apparatus characterised by the means used for distribution by means of air using a single separation means
    • B07C5/366—Sorting apparatus characterised by the means used for distribution by means of air using a single separation means during free fall of the articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/34—Sorting according to other particular properties
    • B07C5/342—Sorting according to other particular properties according to optical properties, e.g. colour
    • B07C5/3425—Sorting according to other particular properties according to optical properties, e.g. colour of granular material, e.g. ore particles, grain

Landscapes

  • Spectrometry And Color Measurement (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

PURPOSE:To simplify the construction of a titled device and to make the manufacture of the device having color screening ability of high accuracy possible by using fluorescent lamps emitting light of specific wavelengths as lighr sources for the color screening machine. CONSTITUTION:The grains which are mixed with dissimilar color grains and flow down linearly from a downflow trough are irradiated with fluorescent lamps emitting light of specific wavelengths, the transmitted or reflected light thereof and the reflected light from reference color plates are compared with photoelectric detectors, and an injecting device is operated by the signal thereof, whereby the screening of the dissimilar color grains is accomplished. For example, the grains which are mixed with dissimilar color grains and flow down from a downflow trough 5 are irradiated with fluorescent lamps 9 emitting light of wavelengths from about 400nm to 500nm wavelengths and the transmitted or reflected light thereof and the reflected light from reference color plates 11 are measured and compared with photodetectors 10, thence an injection nozzle device is operated by the signal corresponding to the difference between both whereby the dissimilar color grains are screened. At this time, the dissimilar color grains are conducted to a dissimilar color discharge port 15 and screened grains to a screened grain collecting cylinder 16, respectively.
JP922581A 1981-01-23 1981-01-23 Photoelectric detector of color screening machine Pending JPS57124220A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP922581A JPS57124220A (en) 1981-01-23 1981-01-23 Photoelectric detector of color screening machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP922581A JPS57124220A (en) 1981-01-23 1981-01-23 Photoelectric detector of color screening machine

Publications (1)

Publication Number Publication Date
JPS57124220A true JPS57124220A (en) 1982-08-03

Family

ID=11714470

Family Applications (1)

Application Number Title Priority Date Filing Date
JP922581A Pending JPS57124220A (en) 1981-01-23 1981-01-23 Photoelectric detector of color screening machine

Country Status (1)

Country Link
JP (1) JPS57124220A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60242324A (en) * 1984-05-16 1985-12-02 Nomura Sangyo Kk Color sorting device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4955391A (en) * 1972-05-03 1974-05-29
JPS5235688A (en) * 1975-09-16 1977-03-18 Shintou Eng Kk Screening machine by color

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4955391A (en) * 1972-05-03 1974-05-29
JPS5235688A (en) * 1975-09-16 1977-03-18 Shintou Eng Kk Screening machine by color

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60242324A (en) * 1984-05-16 1985-12-02 Nomura Sangyo Kk Color sorting device

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