CN113414137B - High-flux grain aflatoxin and external defect sorting machine - Google Patents
High-flux grain aflatoxin and external defect sorting machine Download PDFInfo
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- CN113414137B CN113414137B CN202110539641.4A CN202110539641A CN113414137B CN 113414137 B CN113414137 B CN 113414137B CN 202110539641 A CN202110539641 A CN 202110539641A CN 113414137 B CN113414137 B CN 113414137B
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- 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
- B07C5/3427—Sorting according to other particular properties according to optical properties, e.g. colour of granular material, e.g. ore particles, grain by changing or intensifying the optical properties prior to scanning, e.g. by inducing fluorescence under UV or x-radiation, subjecting the material to a chemical reaction
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- 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
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
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- 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
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- 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
- B07C5/361—Processing or control devices therefor, e.g. escort memory
- B07C5/362—Separating or distributor mechanisms
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- 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
- B07C2501/00—Sorting according to a characteristic or feature of the articles or material to be sorted
- B07C2501/0081—Sorting of food items
Abstract
The invention discloses a high-flux grain aflatoxin and external defect sorting machine, which belongs to the field of sorting; the device comprises a main rack, a photoelectric box, a high-flux online removing device, a front bin and a rear bin, wherein the photoelectric box is arranged at the rear part of the main rack, the middle part of the photoelectric box is provided with the high-flux online removing device which rotates by 180 degrees from front to rear, and the front bin and the rear bin are arranged below the high-flux online removing device; a horizontally arranged high-speed belt set is arranged in front of the high-flux online removing device, a sliding chute, an adjustable hopper and a feeding box are sequentially arranged above the front end of the high-speed belt set from bottom to top, and the lower end of the adjustable hopper is fixedly connected with a vibration feeder; a fluorescent detection device for toxic raw materials is arranged right above the high-speed belt group; and a raw material external quality sorting device arranged in the photoelectric box is arranged outside the rear outlet of the high-speed belt set. The invention can detect the seeds containing toxin and synchronously remove damaged inferior seeds and sundries, has the advantages which cannot be compared with the traditional color sorter, and breaks through the problem of high-flux real-time online sorting of the grains containing toxin.
Description
Technical Field
The invention belongs to the technical field of sorting, and particularly relates to a high-flux sorting machine for aflatoxin and external defects of grains.
Background
Aiming at the objective existence and serious hazard of harmful bio-toxin in food raw materials such as bulk grain at port, nuts and the like, although abnormal heterochromatic grains can be detected by a photoelectric color selector based on visible light images which is preliminarily deployed in customs, toxic grains without obvious appearance symptoms cannot be identified because biochemical information in an object cannot be obtained, and the method is ineffective for synchronously removing scattered toxic and damaged inferior grains from imported bulk grain raw materials at high speed on line. And no equipment for high-throughput online separation of biotoxin-containing food raw materials is available in the market. Therefore, the research and design of a high-throughput, high-precision and high-reliability sorting machine which can remove seeds containing toxins and synchronously detect damaged inferior seeds and impurities is a milestone problem which needs to be solved urgently in the development process of the current color sorting machine.
The invention innovatively adopts an electromagnetic spectrum technology with ultraviolet rays and the like exceeding the visible light scope, combines a visible light image processing technology, develops a high-flux online detection device based on hardware such as a SCMOS (Single chip multiple operating System) camera/hyperspectral imager combined with a CCD (Charge coupled device) camera and the like based on an advanced high-speed fluorescence imaging technology method, and realizes synchronous acquisition of toxin information and external quality information in food raw materials.
Meanwhile, in order to solve the problems that pneumatic removal needs a large-volume air compressor for auxiliary air supply, nozzles are easy to block and need manual frequent cleaning, and the like, the high-speed high-flux online removing device 13 based on the voice coil motor is innovatively developed, the traditional pneumatic removing device is improved, the designed high-speed removing device is respectively used for separating food raw materials with different sizes, switching of two separation modes of small-particle food raw materials (such as corns, peanuts and the like) and large-particle food raw materials (such as red dates, nuts and the like) can be easily completed, biotoxins, damaged inferior seeds, sundries and the like which are discretely distributed in the food raw materials with different sizes are removed, and the more strict risk control is realized. The sorting machine can be simultaneously suitable for the requirements of domestic large, medium and small enterprises on high-throughput and high-precision sorting of the internal and external quality of food raw materials.
Disclosure of Invention
In order to solve the problems that the traditional color sorter can not detect food raw materials containing harmful bio-toxins in the interior, the traditional air-blowing type removing device needs large-volume air compressor for auxiliary air blowing, and a nozzle is easy to block and needs to be cleaned manually and frequently, the invention provides a high-flux sorter for grain aflatoxins and external defects, which is characterized by comprising the following steps: the device comprises a main frame, a high-speed belt set, a fluorescent detection device for toxic raw materials, a raw material external quality sorting device, a high-flux online removing device, a power supply system, a material box, a photoelectric box and an industrial personal computer, wherein the main frame for supporting the photoelectric box, the material box, the high-speed belt set and an adjustable feeding device is arranged on the ground; the photoelectric box is arranged at the rear part of the main frame, the middle part of the photoelectric box is provided with a high-flux online removing device which rotates by 180 degrees from front to back, and a front material box and a rear material box are arranged below the high-flux online removing device; a horizontally arranged high-speed belt group is arranged in front of the high-flux online removing device, a sliding chute, an adjustable hopper and a feeding box are sequentially arranged above the front end of the high-speed belt group from bottom to top, the lower end of the adjustable hopper is fixedly connected with a vibrating feeder, and the vibrating feeder, the sliding chute and the feeding box are fixedly connected with a main frame; a fluorescent detection device for toxic raw materials is arranged right above the high-speed belt group; a raw material external quality sorting device arranged in the photoelectric box is arranged outside an outlet at the rear part of the high-speed belt set;
the fluorescent detection device for the toxic raw materials comprises: the system comprises an industrial personal computer, a high-speed fluorescent camera, a fluorescent camera bracket, a buffering elastic strip, a fluorescent camera drive plate, a high-speed fluorescent camera switching power supply, a single-waveband LED lamp strip, an optical filter, a belt cover plate and a control box; the high-speed micro-fluorescence camera is vertically arranged in a fluorescence camera bracket through a buffering elastic strip, the upper end and the lower end of the fluorescence camera bracket are fixedly connected with a control box body and the lamp strip mounting part respectively, and a camera bellows structure is formed in the fluorescence camera bracket and the lamp strip mounting part; the high-speed fluorescent camera switching power supply, the fluorescent camera drive board and the industrial personal computer are arranged in the control box body; the fluorescent camera drive board, the fluorescent camera switching power supply and the high-speed micro-fluorescent camera are all connected with an industrial personal computer, and the industrial personal computer is also connected with the camera drive board in the photoelectric box; six long banding single wave band LED lamp strips divide into two sets ofly, and every equidistant installation in the below of a lamp strip installation swash plate of group.
And an optical filter is arranged in the lens light hole.
The adjustable hopper includes: the hopper comprises a hopper main board, hopper spacers, a hopper bottom board, a reference arc and a tail baffle, wherein the hopper main board is horizontally arranged, the tail baffle is fixedly connected to the outer part of the rear end of the hopper main board, the opening of the front end of the hopper main board faces a sliding groove, a plurality of hopper spacers which are arranged in parallel at equal intervals are arranged above the hopper main board, a main fixing hole for installing fixing nails is formed in the center of the hopper main board, two sliding grooves are formed in the direction from the main fixing hole to two sides, driven nails in the multistage shearing and forking mechanism slide in the corresponding sliding grooves, the upper end of each driven nail is fixedly connected with one hopper spacer, and the upper end of each fixing nail is also fixedly connected with one hopper spacer; one side of the multi-stage scissor mechanism is fixedly connected with an adjusting rod; the middle parts of the two staggered moving rods are connected through driven nails or fixing nails.
The rear ends of the block bucket spacers are sequentially provided with notches, the notches are symmetrical reference arcs from the left side to the right side, and the width of each reference arc is matched with the outlet of the feeding box above the reference arc.
The raw material external quality sorting device comprises: the device comprises two CCD cameras, two groups of CCD camera supports, two background plates, four groups of light bars, a camera driving plate and a CCD switch power supply, wherein the upper CCD camera and the lower CCD camera are arranged in a photoelectric box through the CCD camera supports, the light path central lines of the upper CCD camera and the lower CCD camera are intersected at a camera light-gathering line outside the rear end of a conveying belt, the camera light-gathering line is positioned on an outlet paraboloid, and a plurality of rows of raw material particles flying out of the conveying belt in a high-speed belt group fly into a rear material box along the outlet paraboloid; a group of background plates are arranged on the extension line of the central line of the light path; the light bar is arranged in the photoelectric box and faces the camera light gathering line; and a rejection datum line is arranged at the position, close to the rear, of the outlet paraboloid.
The high-flux online removing device comprises: the device comprises a removing device overturning support, a multi-channel removing mechanism rack, overturning sliding shafts, overturning central shafts, N groups of large-particle multi-channel removing devices, N groups of small-particle multi-channel removing devices and a pressure head, wherein the rectangular frame-shaped multi-channel removing mechanism rack is arranged in a photoelectric box through two removing device overturning supports; n groups of large-particle multi-channel removing devices arranged side by side and N groups of small-particle multi-channel removing devices arranged side by side are respectively arranged at two sides of a frame of the multi-channel removing mechanism, the outer ends of two large pressure rods of each group of large-particle multi-channel removing devices are fixedly connected with a pressure head, and the outer ends of two small pressure rods of each group of small-particle multi-channel removing devices are fixedly connected with a pressure head; the pressing surfaces of all the pressing heads in the N groups of large-particle multi-channel removing devices face to be consistent to form a large-particle pressing head surface, and the pressing surfaces of all the pressing heads in the N groups of small-particle multi-channel removing devices face to be consistent to form a small-particle pressing head surface; the large particle pressing head surface and the small particle pressing head surface are centrosymmetric relative to the axis of the turning central shaft, and the large particle pressing head surface and the small particle pressing head surface are symmetric relative to the symmetry plane of the multichannel removing mechanism frame in the front-back direction; n is equal to the number of columns of consecutive rows of feedstock particles on the high speed belt set divided by 2.
The large particle pressure head surface or the small particle pressure head surface facing one side of the high-speed belt group forms an included angle of 30 degrees with the ground and is positioned above the rejection datum line; the spacing of the hopper spacers and the orientation of the high-flux online removing device are set according to the maximum size of the raw material particles, when the particles of the raw material particles are large, the large-particle multichannel removing device is used for facing one side of the high-speed belt group, and the large-particle pressure head surface is positioned above the outlet paraboloid; when the particles of the raw material particles are smaller, a small particle multi-channel rejecting device is used to face one side of the high-speed belt group, and the pressure head surface of the small particles is positioned above the outlet paraboloid.
The large granule multichannel removing devices includes: the large voice coil motor is arranged in the large voice coil motor support, the two parallel gear fixing side plates are fixedly connected to the left side and the right side of the large voice coil motor support through connecting plates respectively, the two ends of the power output shaft, the driven shaft and the reciprocating screw rod are arranged on the gear fixing side plates through bearings, the power output shaft and the driven shaft are arranged far away from one another and close to one another in parallel, and the driven shaft and the reciprocating screw rod are arranged in parallel one above the other; the power output of the large voice coil motor is in contact connection with the far end of the rotating rod, the rotating rod is fixedly connected with the middle of the power output shaft, two driving gears are mounted on the power output shaft through key slots, and the two driving gears are respectively located on two sides of the rotating rod;
two sides of the driven shaft are fixedly connected with a large pressure rod support, the far end of the large pressure rod is sleeved in the large pressure rod support, a compression screw penetrates through a through groove in the sleeve rod and is installed in a threaded hole in the large pressure rod support, and the near end of the large pressure rod is provided with a pressure head; the middle part of the driven shaft is externally provided with a sleeve in clearance fit, so that the sleeve can freely translate and rotate between the two large pressure rod supports, the middle part of the sleeve is provided with two driven gears through key grooves, gear end slots are arranged on the outer sides of the two driven gears, and the gear end slots are inserted into the support end grooves arranged on the inner sides of the roots of the large pressure rod supports when moving to one side where the gear end slots are located;
a shifting fork accommodating space is arranged between the two driven gears, a semi-circular fork part positioned at one end of a straight connecting rod in the shifting fork is wrapped outside the sleeve, a semi-spherical sliding part at the lower end of the other end of the straight connecting rod in the shifting fork is arranged in a shifting fork wavy track formed on a reciprocating lead screw, and one end of the reciprocating lead screw is connected with an output shaft of a steering engine arranged on the outer side of one gear fixing side plate through a coupler; the large voice coil motor and the steering engine are connected with the industrial personal computer.
Granule multichannel removing devices is by setting up side by side but two sets of granule voice coil motor removing devices of little depression bar orientation difference form side by side, and wherein granule voice coil motor removing devices includes again: the voice coil motor comprises a small voice coil motor support, a small voice coil motor, a driving shaft, a loop bar, a small pressure bar and a compression screw, wherein the small voice coil motor is arranged in the small voice coil motor support; and the small voice coil motor and the steering engine are connected with the industrial personal computer.
The angles between the two small pressure rods and the small particle pressure head surface in the small particle multi-channel removing device are respectively 30 degrees and 45 degrees.
The invention has the beneficial effects that:
1. the high-flux real-time monitoring separator is used for carrying out high-flux real-time monitoring on the harmful biological toxins and the external quality of the port food to create structural and functional innovations. The sorting machine can detect the seeds containing toxin and synchronously remove damaged inferior seeds and sundries, has the advantages which cannot be compared with the traditional color sorting machine, and breaks through the problem of high-flux real-time online sorting of the grains containing toxin.
2. An electromagnetic spectrum technology with ultraviolet rays and the like exceeding the visible light scope is combined with a visible light image processing technology to develop a high-flux online detection device based on hardware such as a SCMOS camera/hyperspectral imager high-speed fluorescence imaging technology combined with a CCD camera, and the designed online detection device can achieve synchronous acquisition of internal toxin and external quality information of food raw materials.
3. The high-flux online removing device based on the voice coil motor solves the problems that pneumatic removing needs a large-volume air compressor to assist air supply, a nozzle is easy to block and needs manual frequent cleaning, switching of two separation modes of small-particle food raw materials (such as corns, peanuts and the like) and large-particle food raw materials (such as nuts and the like) can be easily completed, and biotoxin, damaged inferior grains, sundries and the like contained in discrete distribution in food raw materials with different types and sizes are removed.
Drawings
FIG. 1 is a schematic diagram of a partial perspective structure of an embodiment of a high-throughput grain aflatoxin and extrinsic defect sorter of the present invention.
FIG. 2 is a schematic structural diagram of an adjustable feeding device in an embodiment of the present invention.
FIG. 3 is a schematic structural diagram of an adjustable feeding device in an embodiment of the present invention.
FIG. 4 is a schematic structural diagram of a fluorescence detection device for toxic materials in an embodiment of the present invention.
FIG. 5 is a schematic cross-sectional view of a fluorescence detection device for toxic materials in an embodiment of the present invention.
FIG. 6 is a schematic diagram of the internal structure of the external quality sorting apparatus for raw materials according to the embodiment of the present invention.
FIG. 7 is a schematic overall view of a high-throughput online rejection device according to an embodiment of the present invention.
FIG. 8 is a schematic structural diagram of a multi-channel small particle eliminating device in an embodiment of the present invention.
FIG. 9 is a schematic structural diagram of a large-particle multi-channel rejection device in an embodiment of the invention.
FIG. 10 is a schematic view of a partial structure of a large-particle multi-channel rejection device in an embodiment of the invention.
FIG. 11 is a schematic view of a partial structure of a large-particle multi-channel rejection device in an embodiment of the invention.
FIG. 12 is a schematic view of a partial structure of an adjustable feeding device according to an embodiment of the present invention.
Wherein: 1-feeding box, 2-adjustable hopper, 3-chute, 4-vibration feeder, 5-high speed belt group, 6-main frame, 7-control box, 8-industrial computer, 11-photoelectric box, 13-high flux online removing device, 15-material box, 19-touch display screen, 111-CCD camera support, 112-CCD camera, 113-background plate, 114-light bar, 116-removing device overturning support, 117-CCD switch power supply, 118-camera driving plate, 119-removing reference line, 201-hopper main plate, 202-sliding groove, 203-hopper spacer, 204-adjusting rod outlet, 205-adjusting rod, 206-moving rod, 207-fixing nail, 209-driven nail and 210-hinge, 211-hopper bottom plate, 212-reference arc, 213-tail baffle, 319-press head, 501-motor support, 502-synchronous pulley, 503-synchronous belt, 504-motor, 505-conveyor belt, 506-belt roller, 701-control box, 702-high-speed fluorescent camera switching power supply, 703-fluorescent camera drive plate, 705-control box cover, 706-belt cover plate, 707-high-speed micro fluorescent camera, 709-single-waveband LED lamp strip, 710-buffer elastic strip, 711-fluorescent camera support, 713-optical filter, 715-external light shielding plate, 1161-turnover semicircular slide rail, 1310-large-particle multichannel removing device, 1330-small-particle multichannel removing device, 1340-multichannel removing mechanism frame, 1350-overturning sliding shaft, 1370-overturning central shaft, 3191-pressing surface, 1360-sleeve, 1311-large voice coil motor bracket, 1312-large voice coil motor, 1314-shifting fork containing space, 1313-rotating rod, 1315-driving gear, 1317-coupling, 1318-steering engine, 1320-power output shaft, 1322-driven shaft, 1323-driven gear, 1324-large pressure rod support, 1325-large pressure rod, 1327-shifting fork, 1328-shifting fork track, 1329-reciprocating screw rod, 1316-gear end slot, 1326-support end groove, 1321-gear fixed side plate, 1331-small voice coil motor bracket, 1332-driving shaft, 1333-small voice coil motor, 1334-sleeve rod, 1336-positioning hole, 7-small pressure rod, 7041-upper end plate, 7042-inclined lamp strip installation plate, 7043-lens light hole.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The embodiment of the present invention shown in fig. 1 to 11 includes: the device comprises a main frame 6, a high-speed belt set 5, a toxic raw material fluorescence detection device, a raw material external quality sorting device, a high-flux online removing device 13, a power supply system, a material box 15, a photoelectric box and an industrial personal computer 8, wherein the main frame 6 for supporting the photoelectric box, the material box, the high-speed belt set 5 and an adjustable feeding device is arranged on the ground, and the main frame 6 is formed by welding 50 multiplied by 50 square tubes according to the placement requirements of all parts of the sorting machine; the photoelectric box 11 is arranged at the rear part of the main frame 6, the middle part of the photoelectric box 11 is provided with a high-flux online removing device 13 which rotates by 180 degrees back and forth, and a front material box and a rear material box are arranged below the high-flux online removing device 13; a horizontally arranged high-speed belt set 5 is arranged in front of the high-flux online removing device 13, a chute 3, an adjustable hopper 2 and a feeding box 1 are sequentially arranged above the front end of the high-speed belt set 5 from bottom to top, the lower end of the adjustable hopper 2 is fixedly connected with a vibrating feeder 4, and the vibrating feeder 4, the chute 3 and the feeding box 1 are fixedly connected with a main frame 6; a fluorescent detection device for toxic raw materials is arranged right above the high-speed belt group 5; a raw material external quality sorting device arranged in the photoelectric box is arranged outside the rear outlet of the high-speed belt group 5;
in this embodiment, a touch display screen 19 connected to the industrial personal computer 8 is further installed behind the photoelectric box 11 for inputting setting information.
The vibration feeder 4, the chute 3, the adjustable hopper 2 and the feeding box 1 shown in fig. 1-3 form an adjustable feeding device, so as to be suitable for single-layer uniform feeding of food raw material grains with different sizes, and finally, the food raw material particles uniformly slide to the upper part of the high-speed belt group 5 through the chute 3 and are arranged in a plurality of continuous rows along the moving direction of the high-speed belt group 5, so as to realize row transmission of the material from the front end to the rear end; the number of rows of the food raw material particles on the high-speed belt group 5 is determined by the number of hopper septa 203 in the adjustable hopper 2;
the adjustable hopper 2 comprises: hopper mainboard 201, hopper spacer 203, hopper bottom plate 211, benchmark arc 212 and tail baffle 213, wherein hopper mainboard 201 level sets up, and the outer rigid coupling of the rear end of hopper mainboard 201 has tail baffle 213, and the opening of hopper mainboard 201 front end is towards spout 3, and the top of hopper mainboard 201 is equipped with a plurality of equidistant parallel arrangement's hopper spacer 203. In this embodiment, the manner in which the plurality of block bucket spacers 203 are arranged in parallel above the hopper main plate 201 at equal intervals is as follows: the mounting means of fork mechanism is cut to below multistage, promptly, still includes: sliding groove 202, adjustment rod 205, moving rod 206, fixing pin 207, moving rod 208, driven pin 209, and adjustment rod notch 204: a main fixing hole (not shown) for installing a fixing nail 207 is formed in the center of the hopper main plate 201, two sliding grooves 202 are formed in the directions from the main fixing hole to two sides, driven nails 209 in the multi-stage scissor mechanism slide in the corresponding sliding grooves 202, the upper end of each driven nail 209 is fixedly connected with a hopper spacer 203, and the upper end of the fixing nail 207 is also fixedly connected with a hopper spacer 203; one side of the multi-stage scissor mechanism is fixedly connected with an adjusting rod 205, so that the distance between the hopper spacers 203 can be increased or decreased along the long axis direction of the hopper by pulling the adjusting rod 205, and the multi-stage scissor mechanism is suitable for sub-channel blanking of raw material particles with different sizes; adjusting rod gaps 204 are formed in the adjusting rod 205 at intervals to be clamped in openings of lower baffle plates on two sides of the hopper bottom plate 211, so that the distance between the partition pieces 203 of the lump material hopper is stabilized, and the lump material hopper is suitable for raw material particles with different sizes; the middle parts of the two staggered moving rods are connected through the driven nails 209 or the fixed nails 207, so that the centering and simultaneous rotating effects are achieved, and the integral deviation in the adjusting process of the hopper spacer is avoided.
In the embodiment, the rear ends of the plurality of block bucket spacers 203 are sequentially provided with notches, the notches form a symmetrical reference arc 212 from the left side to the right side, and the width and radian of the reference arc 212 are matched with the outlet of the upper feeding box 1; although the outlet below the feeding box 1 shown in fig. 12 is rectangular, in actual operation, due to the action of the stacking angle of grains, when the raw material particles are naturally fed from the feeding box 1, the middle leakage is the fastest basically, and the raw material particles are in a form of diffusing from the middle to the periphery when reaching the bottom plate 211 of the hopper, the setting of the reference arc 212 ensures that the raw material particles slide out from the adjustable hopper 2 to the high-speed belt group 5 in a single-layer multi-channel state, and the raw material particles cannot be stacked in a certain row but not in other rows;
in this embodiment, a hopper bottom plate 211 having the same width as the hopper main plate 201 is further installed at the rear end below the hopper main plate 201 through a hinge 210, and the lower end of the hopper bottom plate 211 is connected to the vibration feeder 4 to prevent external force from mechanically damaging the telescopic rod on the lower vibration feeder 4; the position of the hinges 210 is located at 1/5 on the bottom of the hopper main plate.
The high-speed belt set 5 shown in fig. 4 to 6 is composed of a conveyor belt 505, belt rollers 506, a motor 504, a motor support 501, a synchronous pulley 502 and a synchronous belt 503, wherein two belt rollers 506 are rotatably connected with the main frame 6, the conveyor belt 505 is sleeved outside the belt rollers 506, the motor 504 is fixed on the main frame 6 through the motor support 501, the synchronous pulleys 502 are respectively installed outside the output shaft of the motor 504 and the same side of one belt roller 506, the power output of the motor 504 connected with the industrial personal computer 8 drives the belt rollers 506 in the high-speed belt set 5 to rotate through the synchronous belt 503 and the synchronous pulley 502, high-speed linear motion of raw material particles on the conveyor belt 505 is realized, and the conveyor belt 505 conveys the raw material particles from an adjustable feeding device at the front end to the high-flux online removing device 13 at the rear end.
As shown in fig. 1, fig. 4 and fig. 5, the fluorescence detection device 7 for toxic raw materials performs fluorescence excitation and imaging on single-layer multiple-row uniformly conveyed kernels on the high-speed belt group 5, so that toxic kernels are detected and marked at positions due to the fluorescence signals, and the fluorescence detection device for toxic raw materials includes: the system comprises an industrial personal computer 8, a high-speed fluorescent camera, a fluorescent camera bracket, a buffer elastic strip, a fluorescent camera drive plate, a high-speed fluorescent camera switching power supply, a single-waveband LED lamp strip, an optical filter, a belt cover plate 706 and a control box;
a light bar mounting part 704 which encloses a trapezoidal space in the lower part is arranged in the middle of the front and back direction of the high-speed belt group 5, belt cover plates 706 which are horizontally arranged are respectively mounted at the front end and the back end of the light bar mounting part 704 which is as wide as the high-speed belt group 5, external light shielding plates 715 are respectively arranged at the two sides of the light bar mounting part 704 and the belt cover plates 706, a lens light transmission hole 7043 is formed in the center of an upper end flat plate 7041 of the light bar mounting part 704, a lens of a high-speed micro-fluorescence camera 707 is arranged right above the lens light transmission hole 7043, the vertically arranged high-speed micro-fluorescence camera 707 is mounted in a fluorescence camera bracket 711 through a buffering elastic strip 710, the upper end and the lower end of the fluorescence camera bracket 711 are fixedly connected with the control box body 701 and the light bar mounting part 704 respectively, and a dark box structure is formed in the fluorescence camera bracket 711 and the light bar mounting part 704; the high-speed fluorescent camera switching power supply 702, the fluorescent camera driving board 703 and the industrial personal computer 8 are arranged in the control box body 701; the fluorescent camera drive board 703, the fluorescent camera switching power supply 702 and the high-speed micro-fluorescent camera 707 are all connected with the industrial personal computer 8, and the industrial personal computer 8 is also connected with the camera drive board 118 in the photoelectric box 11; six long-strip single-band LED lamp bars 709 are divided into two groups, each group is installed below one lamp bar installation inclined plate 7042 at equal intervals and used for exciting toxin-containing grain fluorescent signals transmitted at high speed on the conveying belt 505 and being matched with a high-speed fluorescent camera to collect grains of toxin-containing food raw materials on the belt in real time, so that the identification and positioning of the toxin-containing grains are realized.
In this embodiment, the lens light-transmitting hole 7043 is provided with a filter 713, which filters out fluorescence signals in the wavelength band of the excitation light source, so that the fluorescence camera can acquire pure fluorescence signals of the sample in the darkroom; the light bar mounting part 704 and the fluorescent camera bracket 711 which are communicated only through the lens light-transmitting hole 7043 can isolate mildewed or toxic seeds on a belt while ensuring the darkroom environment, so that the safety of operators is guaranteed;
in this embodiment, a control box cover 705 is further disposed above the control box body 701;
in this embodiment, the high-speed fluorescence camera is a SCMOS or EMCCD high-speed fluorescence camera.
In this embodiment, the wavelength band of the single-band LED light bar is 365 nm.
The raw material external quality sorting apparatus shown in fig. 6 includes: two CCD cameras 112, two sets of CCD camera supports 111, two background plates 113, four sets of light bars 114, a camera drive board 118 and a CCD switch power supply 117, wherein the upper and lower CCD cameras 112 are installed in the photoelectric box 11 through the CCD camera supports 11, the light path center lines of the upper and lower CCD cameras 112 are intersected at a camera light-gathering line 116 outside the rear end of a conveyor belt 505, the camera light-gathering line 116 is positioned on an outlet paraboloid 115, and a plurality of rows of raw material particles flying out from the conveyor belt 505 in the high-speed belt group 5 fly into a rear bin 15 (a fine bin) along the outlet paraboloid 115; a group of background plates 113 are arranged on the extension line of the central line of the light path; a light bar 114 is installed in the optoelectronic box 11 and faces the camera light-gathering line 116 to provide illumination for the CCD camera 112; a removal reference line 119 is provided further rearward from the outlet paraboloid 115.
When the material processing device works, defective raw material particles and qualified raw material particles are thrown out from the high-speed belt group 5 together and enter the photoelectric box, and fly along the outlet paraboloid 115, the CCD camera 112 collects corresponding CCD image signals and sends the CCD image signals to the industrial personal computer 8 for judgment, then the industrial personal computer 8 judges whether the raw material particles are defective according to the fluorescent signals of the grains containing the toxins and the CCD image signals, and when any defect is found, the industrial personal computer 8 sends a pressing-down instruction to the pressure head 139 on the working waiting side to enable the corresponding pressure head 139 to be pressed down instantaneously, so that the raw material particles with the defects of impurities or mildewed grains containing the toxins and the toxic seeds fall into the material box 15 (inferior material box) right below in a slapping mode.
The high-throughput online culling apparatus 13 shown in fig. 6 and 7 includes: the device comprises a removing device overturning bracket 116, a multi-channel removing mechanism rack 1340, overturning sliding shafts 1350, overturning central shafts 1370, N groups of large-particle multi-channel removing devices 131, N groups of small-particle multi-channel removing devices 133 and a pressure head 319, wherein the rectangular frame-shaped multi-channel removing mechanism rack 1340 is installed in a photoelectric box 11 through two removing device overturning brackets 116, the left side and the right side of the multi-channel removing mechanism rack 1340 are fixedly connected with one overturning central shaft 1370, the axes of the two overturning central shafts 1370 are collinear, one side of each overturning central shaft 1370 is also provided with one overturning sliding shaft 1350, and the positions of the overturning sliding shafts 1350 correspond to the positions of overturning semicircular sliding rails 1161 in the removing device overturning brackets 116; the N groups of large-particle multi-channel removing devices 131 arranged side by side and the N groups of small-particle multi-channel removing devices 133 arranged side by side are respectively arranged at two sides of a multi-channel removing mechanism rack 1340, the outer ends of two large pressure rods 1325 of each group of large-particle multi-channel removing devices 131 are fixedly connected with a pressure head 319, and the outer ends of two small pressure rods 1337 of each group of small-particle multi-channel removing devices 133 are fixedly connected with a pressure head 319; the pressing surfaces 3191 of all the pressing heads 319 in the N groups of large-particle multi-channel removing devices 131 face to form a large-particle pressing head surface in a consistent way, and the pressing surfaces 3191 of all the pressing heads 319 in the N groups of small-particle multi-channel removing devices 133 face to form a small-particle pressing head surface in a consistent way; the large particle pressure head surface and the small particle pressure head surface are centrosymmetric relative to the axis of the turning central shaft 1370, and the large particle pressure head surface and the small particle pressure head surface are symmetric relative to the symmetry plane of the multi-channel removing mechanism frame 1340 in the front-back direction; the width of the large particle head face or the small particle head face on the working waiting side matches the width of the outlet paraboloid 115.
In this example, 2 times N equals the number of rows of continuous rows of feedstock particles on the high speed belt set 5, and the number of rams 319 included in both the large particle ram face and the small particle ram face is 2N.
In the present embodiment, the large particle pressure head face or the small particle pressure head face on the work waiting side forms an angle of 30 ° with the ground, and is located above the rejection reference line 119.
In the present embodiment, the width of the indenter 319 in the large-particle multi-channel rejection device 131 and the width of the indenter 319 in the small-particle multi-channel rejection device 133 are different to match different raw material particles; it should be noted that the width of each ram 319 is selected by design to vary with the maximum size of the feedstock particles.
During work, the distance between the hopper spacers 203 and the orientation of the high-flux online removing device 13 are set according to the maximum size of raw material particles, when the particles are large, the large-particle multichannel removing device 131 is used to face the working waiting side (one side of the high-speed belt group 5), and the large-particle pressure head surface is located above the outlet paraboloid 115; when the particles are smaller, a small particle multi-channel rejecting device 133 is used to face the working waiting side, and the pressure head surface of the small particles is positioned above the outlet paraboloid 115;
the multi-channel small-granule rejecting device 133 shown in fig. 6 and 7 is composed of two groups of small-granule voice coil motor rejecting devices 133 which are arranged side by side and have different orientations of the small pressure rods 1337, wherein the small-granule voice coil motor rejecting devices 133 further include: a small voice coil motor bracket 1331, a small voice coil motor 1333, a driving shaft 1332, a loop bar 1334, a small pressure bar 1337 and a compression screw 1335, wherein the small voice coil motor is installed in a small voice coil motor support 1331, a circuit part of the small voice coil motor 1333 is connected with an industrial personal computer 8 through a corresponding small voice coil motor driver (not shown in the figure), the power output of the small voice coil motor is sleeved with one end of a loop bar 1334 through interference fit, the loop bar is rotatably connected with the small voice coil motor support through a driving shaft 1332 fixedly connected with two sides of the middle part of the loop bar 1334, a small pressure bar 1337 capable of freely sliding is arranged in the other end of the loop bar, a pressure head 319 is installed at the outer end of the small pressure bar 1337, a compression screw 1335 passes through a through groove on the loop bar and is installed in a threaded hole on the small pressure bar 1337, the position of the small-particle pressing head surface is adjusted by changing the clamping position of the pressing screw 1335 on the through groove to confirm the position of the pressing head 319; the small voice coil motor and the steering engine 1318 are connected with the industrial personal computer 8;
in the embodiment, the width of the pressing head 319 in the small-particle multi-channel removing device 133 is 5-30 mm;
in the embodiment, the swing angle of the small voice coil motor used is 16 degrees, and the peak force is 36N;
in the present embodiment, the angles between the two small pressure rods 1337 and the small particle pressure head face in each group of small particle multi-channel removing devices 133 are respectively 30 ° and 45 °.
As shown in fig. 6 and 8 to 10, the large-particle multi-channel rejection device 131 includes: a large voice coil motor support 1311, two gear fixing side plates 1321, a large voice coil motor 1312, a rotating rod 1313, two driving gears 1315, a power output shaft 1320, a coupler 1317, a steering engine 1318, a steering engine fixing shaft 1319, a driven shaft 1322, two driven gears 1323, two large pressure rod supports 1324, two large pressure rods 1325, a shifting fork 1327, a gear end slot 1316, a reciprocating lead screw 1329 and a shifting fork wavy track 1328, wherein the large voice coil motor 1312 is arranged in the large voice coil motor support 1311, a circuit part of the large voice coil motor 1312 is connected with an industrial personal computer 8 through a corresponding large voice coil motor driver (not shown in the figure), the two parallel gear fixing side plates 1321 are respectively fixedly connected to the left side and the right side of the large voice coil motor support 1311 through connecting plates (not shown in the figure), the two ends of the power output shaft 1320, the driven shaft 1322 and the reciprocating lead screw 132 are all arranged on the gear fixing side plates 1321 through bearings, the power output shaft 1320 and the driven shaft 1322 are arranged far away from and near to the parallel, and the driven shaft 1322 and the reciprocating screw 1329 are arranged up and down in parallel; the power output of the large voice coil motor 1312 is in contact connection with the far end of a rotating rod 1313, the rotating rod 1313 is fixedly connected with the middle of a power output shaft 1320, two driving gears 1315 are installed on the power output shaft 1320 through key slots, and the two driving gears 1315 are respectively located on two sides of the rotating rod 1313;
a large pressure lever support 1324 is fixedly connected to each of two sides of the driven shaft 132, the far end of the large pressure lever 1325 is sleeved in the large pressure lever support 1324, a compression screw 1335 penetrates through a through groove in the sleeve rod and is installed in a threaded hole in the large pressure lever support 1324, and a pressure head 319 is installed at the near end of the large pressure lever 1325; a sleeve 1360 is arranged outside the middle part of the driven shaft 132 in a clearance fit manner, so that the sleeve 1360 can freely translate and rotate between the two large pressure rod supports 1324, two driven gears 1323 are arranged in the middle part of the sleeve 1360 through key slots, gear end slots 1316 are arranged on the outer sides of the two driven gears 1323, and when the gear end slots 1316 move to one side, the gear end slots 1316 are inserted into a support end groove 1326 arranged on the inner side of the root part of the large pressure rod support 1324;
a shifting fork accommodating space 1314 is arranged between the two driven gears 1323, a semi-circular fork part positioned at one end of a straight connecting rod in a shifting fork 1327 is wrapped outside a sleeve 1360, a lower end hemispherical sliding part at the other end of the straight connecting rod in the shifting fork 1327 is arranged in a shifting fork wavy track 1328 arranged on a reciprocating lead screw 1329, and one end of the reciprocating lead screw 1329 is connected with an output shaft of a steering engine 1318 arranged outside one gear fixing side plate 1321 through a coupler 1317; the large voice coil motor 1312 and the steering engine 1318 are connected with the industrial personal computer 8;
during operation, the steering engine 1318 drives the reciprocating screw 1329 to rotate according to a signal sent by the industrial personal computer 8, so that the gear end slot 1316 on the outer side of the driven gear 1323 is controlled to be inserted into the middle support end groove 1326 on the inner side of the large pressure rod support 1324 along with the left-right movement of the shifting fork 1327, then the large voice coil motor 1312 drives the power output shaft 1320 to rotate at a certain angle, and the driving gear 1315, the driven gear 1323, the large pressure rod support 1324 and the large pressure rod 1325 drive the pressure head 319 to generate displacement.
In this embodiment, a sliding limit frame is further provided outside the rod of the shifting fork 1327 to ensure that the shifting fork can only perform a left-right translational motion, which is not shown in the drawings in the present specification in order not to affect the understanding of the wavy track 1328 of the shifting fork;
in this embodiment, the steering engine 1318 is a three-wire steering engine of MG995 type, the swing angle of the large voice coil motor 1312 up and down is 16 °, and the peak output is 36N;
in the embodiment, the width of the pressing head 319 in the large-particle multi-channel rejection device 131 is 30-60 mm.
During operation, the distance between the hopper spacers 203 of the adjustable feeding device 2 and the mode of the high-flux online removing device 13 are adjusted according to the particle size of the material to be separated (the two modes are included, wherein in the mode 1, the large-particle multi-channel removing device serves as an existing removing mechanism, and in the mode 2, the small-particle multi-channel removing device serves as an existing removing mechanism). Starting up the machine to test the operation, adjusting the belt to a proper speed (the rotating speed of the motor 504 is 1-2m/s), and adjusting the view field of the high-speed fluorescence camera and the CCD camera and the state of the industrial personal computer 8. The food raw materials to be sorted (the port is to be detected) are poured into the feeding box 1, under the drive of the vibration feeder, the particles of the food raw materials are uniform, the food raw materials slide between a high-speed belt and a belt cover plate 706 through a chute in a single layer mode, the food raw materials are driven by the high-speed belt to enter a light bar mounting portion 704, under the irradiation of a single-waveband LED light bar (such as 365nm), grains containing toxins are excited to fluoresce, a high-speed fluorescence camera (such as SCMOS or a hyperspectral imager) rapidly captures particle fluorescence signals and carries out position calibration on the fluorescent grains, and collected fluorescence images or fluorescence spectrum signals are transmitted to the industrial personal computer 8 in real time. After the toxic raw material fluorescence detection device, the seeds are thrown out in a parabolic shape from the tail end of the high-speed belt, enter the raw material external quality sorting device, and pass through the space between the CCD camera and the background plate, and in order to improve the sorting efficiency and precision, an upper CCD camera and a lower CCD camera are adopted for double-sided recognition. Under the irradiation of the visible light lamp strips, the image information of the thrown grains is collected by the central line of the light path of the CCD camera in real time, and the image information is transmitted to the industrial personal computer 8. The industrial personal computer 8 carries out logical OR operation on the fluorescent signal acquired by the high-speed fluorescent camera and the image signal acquired by the CCD camera, the distinguishing signal of the grain (containing the toxic grain) excited to fluoresce, the external damaged and defective grain or sundries is transmitted to the industrial personal computer, the industrial personal computer controls the action of a large voice coil motor or a small voice coil motor positioned on the waiting side for work in the high-flux online removing device to drive a large pressure rod or a small pressure rod, the toxic and damaged grain is removed to a poor material box, the high-quality grain is thrown to the good material box along a parabola, and finally, the high-flux online detection and removal of the toxic grain, the damaged poor grain and the sundries are realized.
Claims (10)
1. A high-flux grain aflatoxin and external defect sorting machine is characterized by comprising: the device comprises a main frame (6), a high-speed belt set (5), a fluorescent detection device (7) for toxic raw materials, a raw material external quality sorting device, a high-flux online removing device (13), a power supply system, a material box (15), a photoelectric box and an industrial personal computer (8), wherein the main frame (6) for supporting the photoelectric box, the material box, the high-speed belt set (5) and an adjustable feeding device is arranged on the ground; the photoelectric box (11) is arranged at the rear part of the main frame (6), the middle part of the photoelectric box (11) is provided with a high-flux online removing device (13) which rotates by 180 degrees from front to back, and a front material box and a rear material box are arranged below the high-flux online removing device (13); a high-speed belt group (5) which is horizontally arranged is arranged in front of the high-flux online removing device (13), a sliding chute (3), an adjustable hopper (2) and a feeding box (1) are sequentially arranged above the front end of the high-speed belt group (5) from bottom to top, the lower end of the adjustable hopper (2) is fixedly connected with a vibration feeder (4), and the vibration feeder (4), the sliding chute (3) and the feeding box (1) are fixedly connected with a main frame (6); a fluorescent detection device for toxic raw materials is arranged right above the high-speed belt group (5); a raw material external quality sorting device arranged in the photoelectric box is arranged outside an outlet at the rear of the high-speed belt group (5);
the fluorescent detection device (7) for the toxic raw materials comprises: the system comprises an industrial personal computer (8), a high-speed fluorescent camera, a fluorescent camera bracket, a buffer elastic strip, a fluorescent camera drive plate, a high-speed fluorescent camera switching power supply, a single-waveband LED lamp strip, a light filter, a belt cover plate (706) and a control box; wherein a light bar mounting part (704) which encloses a trapezoidal space in the lower part is arranged in the middle of the high-speed belt group (5) in the front-back direction, the front end and the rear end of a light bar mounting part (704) which has the same width with the high-speed belt group (5) are respectively provided with a belt cover plate (706) which is horizontally arranged, the two sides of the light bar mounting part (704) and the belt cover plate (706) are respectively provided with an external light baffle plate (715), the center of an upper end flat plate (7041) of the light bar mounting part (704) is provided with a lens light transmission hole (7043), a lens of a high-speed micro-fluorescence camera (707) is arranged right above the lens light transmission hole (7043), the vertically arranged high-speed micro-fluorescence camera (707) is arranged in a fluorescence camera bracket (711) through a buffering elastic strip (710), the upper end and the lower end of the fluorescence camera bracket (711) are respectively fixedly connected with a control box body (701) and the light bar mounting part (704), a dark box structure is formed in the fluorescent camera bracket (711) and the light bar mounting part (704); the high-speed fluorescent camera switching power supply (702), the fluorescent camera driving board (703) and the industrial personal computer (8) are arranged in the control box body (701); the fluorescent camera drive board (703), the fluorescent camera switching power supply (702) and the high-speed micro-fluorescent camera (707) are all connected with an industrial personal computer (8), and the industrial personal computer (8) is also connected with a camera drive board (118) in the photoelectric box (11); six long single-band LED lamp strips (709) are divided into two groups, and each group is installed below one inclined lamp strip installation plate (7042) at equal intervals.
2. The high-flux grain aflatoxin and external defect sorting machine of claim 1, wherein an optical filter (713) is arranged in the lens light-transmitting hole (7043).
3. The high-throughput grain aflatoxin and external defect sorting machine according to claim 1, wherein the adjustable hopper (2) comprises: the hopper comprises a hopper main plate (201), hopper spacers (203), a hopper bottom plate (211), a reference arc (212) and a tail baffle (213), wherein the hopper main plate (201) is horizontally arranged, the tail baffle (213) is fixedly connected to the outer part of the rear end of the hopper main plate (201), the opening of the front end of the hopper main plate (201) faces to a chute (3), a plurality of hopper spacers (203) which are arranged in parallel at equal intervals are arranged above the hopper main plate (201), a main fixing hole for installing fixing nails (207) is formed in the center of the hopper main plate (201), two sliding grooves (202) are formed in the directions of two sides from the main fixing hole, driven nails (209) in the multistage scissor mechanism slide in the corresponding sliding grooves (202), one hopper spacer (203) is fixedly connected to the upper end of each driven nail (209), and one hopper spacer (203) is fixedly connected to the upper end of each fixing nail (207); one side of the multi-stage scissor mechanism is fixedly connected with an adjusting rod (205); the middle parts of the two staggered moving rods are connected through driven nails (209) or fixed nails (207).
4. The high-flux cereal aflatoxin and external defect sorting machine according to claim 3, wherein gaps are sequentially arranged at the rear ends of the block bucket spacers (203), the gaps form a symmetrical reference arc (212) from left side to right side, and the width of the reference arc (212) is matched with the outlet of the upper feeding box (1).
5. The high-throughput grain aflatoxin and external defect sorting machine of claim 1, wherein the raw material external quality sorting device comprises: the device comprises two CCD cameras (112), two groups of CCD camera supports (111), two background plates (113), four groups of light bars (114), a camera driving plate (118) and a CCD switch power supply (117), wherein the upper and lower CCD cameras (112) are arranged in a photoelectric box (11) through the CCD camera supports (111), the light path central lines of the upper and lower CCD cameras (112) are intersected at a camera light-gathering line (116) outside the rear end of a conveying belt (505), the camera light-gathering line (116) is positioned on an outlet paraboloid (115), and a plurality of rows of raw material particles flying out of the conveying belt (505) in a high-speed belt group (5) fly into a rear bin (15) along the outlet paraboloid (115); a group of background plates (113) are arranged on the extension line of the central line of the light path; the light bar (114) is arranged in the photoelectric box (11) and faces the camera light gathering line (116); and a rejection datum line (119) is arranged at the position, close to the rear, of the outlet paraboloid (115).
6. The high-throughput grain aflatoxin and external defect sorter according to claim 1, characterized in that the high-throughput on-line rejection device (13) comprises: the device comprises a removing device overturning support (116), a multichannel removing mechanism rack (1340), overturning sliding shafts (1350), overturning central shafts (1370), N groups of large-particle multichannel removing devices (131), N groups of small-particle multichannel removing devices (133) and a pressure head (319), wherein the rectangular frame-shaped multichannel removing mechanism rack (1340) is installed in a photoelectric box (11) through two removing device overturning supports (116), the left side and the right side of the multichannel removing mechanism rack (1340) are fixedly connected with one overturning central shaft (1370), the axes of the two overturning central shafts (1370) are collinear, one side of each overturning central shaft (1370) is also provided with one overturning sliding shaft (1350), and the positions of the overturning sliding shafts (1350) correspond to the positions of overturning semicircular sliding rails (1161) in the removing device overturning supports (116); n groups of large-particle multi-channel removing devices (131) arranged side by side and N groups of small-particle multi-channel removing devices (133) arranged side by side are respectively arranged at two sides of a multi-channel removing mechanism rack (1340), the outer ends of two large pressure rods (1325) of each group of large-particle multi-channel removing devices (131) are fixedly connected with a pressure head (319), and the outer ends of two small pressure rods (1337) of each group of small-particle multi-channel removing devices (133) are fixedly connected with a pressure head (319); the pressing surfaces (3191) of all the pressing heads (319) in the N groups of large-particle multi-channel rejection devices (131) face to the same direction to form a large-particle pressing head surface, and the pressing surfaces (3191) of all the pressing heads (319) in the N groups of small-particle multi-channel rejection devices (133) face to the same direction to form a small-particle pressing head surface; the large particle pressure head surface and the small particle pressure head surface are centrosymmetric relative to the axis of the turning central shaft (1370), and the large particle pressure head surface and the small particle pressure head surface are symmetric relative to the symmetry plane of the multi-channel removing mechanism frame (1340) in the front-back direction; n is equal to the number of columns of consecutive rows of raw granules on the high-speed belt set (5) divided by 2.
7. The high-throughput grain aflatoxin and extrinsic defect sorting machine of claim 6, wherein the large particle indenter face or the small particle indenter face at the side facing the high-speed belt group (5) forms an angle of 30 degrees with the ground and is located above the rejection reference line (119); the distance between the hopper spacers (203) and the orientation of the high-flux online removing device (13) are set according to the maximum size of raw material particles, when the particles of the raw material particles are large, the large-particle multi-channel removing device (131) is used for facing one side of the high-speed belt group (5), and the large-particle pressure head surface is positioned above the outlet paraboloid (115); when the particles of the raw material particles are smaller, a small particle multi-channel rejection device (133) is used to face one side of the high-speed belt group (5), and the small particle pressure head face is positioned above the outlet paraboloid (115).
8. The high-throughput grain aflatoxin and external defect sorting machine of any one of claims 6 or 7, wherein the large-particle multi-channel rejection device (131) comprises: the large voice coil motor comprises a large voice coil motor support (1311), two gear fixing side plates (1321), a large voice coil motor (1312), a rotating rod (1313), two driving gears (1315), a power output shaft (1320), a coupler (1317), a steering engine (1318), a steering engine fixing shaft (1319), a driven shaft (1322), two driven gears (1323), two large pressure lever supports (1324), two large pressure levers (1325), a shifting fork (1327), a gear end slot (1316), a reciprocating lead screw (1329) and a shifting fork wavy track (1328), wherein the large voice coil motor (1312) is installed in the large voice coil motor support (1311), the two gear fixing side plates (1321) which are arranged in parallel are fixedly connected to the left side and the right side of the large voice coil motor support (1311) through connecting plates respectively, and the two ends of the power output shaft (1320), the driven shaft (1322) and the reciprocating lead screw (1329) are installed on the gear fixing side plates (1321) through bearings, the power output shaft (1320) and the driven shaft (1322) are arranged far away from and near to in parallel, and the driven shaft (1322) and the reciprocating screw rod (1329) are arranged up and down in parallel; the power output of the large voice coil motor (1312) is in contact connection with the far end of a rotating rod (1313), the rotating rod (1313) is fixedly connected with the middle of a power output shaft (1320), two driving gears (1315) are installed on the power output shaft (1320) through key slots, and the two driving gears (1315) are respectively located on two sides of the rotating rod (1313);
two sides of the driven shaft (1322) are fixedly connected with a large pressure lever support (1324), the far end of the large pressure lever (1325) is sleeved in the large pressure lever support (1324), a compression screw (1335) passes through a through groove on the sleeve rod and is installed in a threaded hole on the large pressure lever support (1324), and the near end of the large pressure lever (1325) is provided with a pressure head (319); a sleeve (1360) is arranged outside the middle part of the driven shaft (1322) in a clearance fit manner, so that the sleeve (1360) can freely translate and rotate between the two large pressure lever supports (1324), two driven gears (1323) are arranged in the middle part of the sleeve (1360) through key slots, gear end slots (1316) are arranged on the outer sides of the two driven gears (1323), and when the gear end slots (1316) move to one side where the gear end slots are located, the gear end slots are inserted into support end grooves (1326) arranged on the inner side of the root part of the large pressure lever supports (1324);
a shifting fork accommodating space (1314) is arranged between the two driven gears (1323), a semi-circular fork part positioned at one end of a straight connecting rod in a shifting fork (1327) is wrapped outside a sleeve (1360), a lower end hemispherical sliding part at the other end of the straight connecting rod in the shifting fork (1327) is arranged in a shifting fork wavy track (1328) formed on a reciprocating lead screw (1329), and one end of the reciprocating lead screw (1329) is connected with an output shaft of a steering engine (1318) arranged at the outer side of one gear fixing side plate (1321) through a coupler (1317); the large voice coil motor (1312) and the steering engine (1318) are connected with the industrial personal computer (8).
9. The high-throughput grain aflatoxin and extrinsic defect sorting machine according to one of claims 6 or 7, wherein said small-particle multichannel removing device (133) is composed of two groups of small-particle voice coil motor removing devices (133) which are arranged side by side and have small pressing rods (1337) facing different directions, wherein the small-particle voice coil motor removing devices (133) further comprise: a small voice coil motor bracket (1331), a small voice coil motor (1333), a driving shaft (1332), a loop bar (1334), a small pressure bar (1337) and a compression screw (1335), wherein the small voice coil motor is arranged in a small voice coil motor support (1331), a circuit part of the small voice coil motor (1333) is connected with an industrial personal computer (8), the power output of the small voice coil motor is sleeved with one end of a loop bar (1334) in an interference fit manner, the loop bar is rotatably connected with the small voice coil motor support through a driving shaft (1332) fixedly connected with two sides of the middle part of the loop bar (1334), a small pressure bar (1337) capable of freely sliding is arranged in the other end of the loop bar, a pressure head (319) is arranged at the outer end of the small pressure bar (1337), a compression screw (1335) passes through a through groove on the loop bar and is arranged in a threaded hole on the small pressure bar (1337), confirming the position of the pressure head (319) by replacing the clamping position of the compression screw (1335) on the through groove; the small voice coil motor and the steering engine (1318) are connected with the industrial personal computer (8).
10. The high-throughput grain aflatoxin and extrinsic defect sorter of claim 9, wherein the angles between the two small pressure bars (1337) and the small particle head face in said small particle multichannel removal device (133) are 30 ° and 45 °, respectively.
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| CN202984137U (en) * | 2012-12-27 | 2013-06-12 | 遵义师范学院 | Device for sorting grains polluted by aflatoxin B1 |
| CN103394471A (en) * | 2013-08-09 | 2013-11-20 | 中国农业大学 | Fast on-line detecting and screening system for mildewed grains |
| CN104646315A (en) * | 2015-03-02 | 2015-05-27 | 青岛农业大学 | Intelligent agricultural product sorting machine with aflatoxin detection function |
| CN105044062A (en) * | 2015-07-31 | 2015-11-11 | 合肥美亚光电技术股份有限公司 | Online aflatoxin detecting device and material sorting equipment adopting same |
| WO2019086557A1 (en) * | 2017-11-01 | 2019-05-09 | Bühler UK Limited | Inspection apparatus and method |
| WO2019201786A1 (en) * | 2018-04-20 | 2019-10-24 | Bühler Uk Limited (Bukl) | Optical Inspection and Sorting Machine, and Corresponding Method Thereof |
| CN109701898A (en) * | 2018-12-13 | 2019-05-03 | 金健粮食（益阳）有限公司 | A kind of rice storage mildew detection device |
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