CN111318476A

CN111318476A - Rice color selector

Info

Publication number: CN111318476A
Application number: CN202010314611.9A
Authority: CN
Inventors: 卢业青; 皱飞; 魏芳坤
Original assignee: Anhui Vision Optoelectronics Technology Co ltd
Current assignee: Anhui Vision Optoelectronics Technology Co ltd
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2020-06-23

Abstract

The invention discloses a rice color sorter which comprises racks, wherein a feeding device, a sorting device, a material receiving device and a gas circuit device are fixedly arranged between the racks from top to bottom in sequence; a feeding adjusting plate is hinged to the rear of the feeding hopper, and a first sliding groove and a second sliding groove are formed below the color selection vibrator; the sorting device comprises a front sorting box and a rear sorting box, wherein the front sorting box and the rear sorting box are respectively provided with a CCD high-definition lens, an airflow ejector, a background device and a light path device; the receiving device comprises a front receiving hopper, a receiving hopper partition plate is arranged in the front receiving hopper, and an A port, a B port, a C port and a D port are respectively formed in the bottom of the front receiving hopper. The invention provides a rice color sorter, which adopts a circular color sorting mode, automatically adjusts the feeding speed according to the rejection rate of rice materials, has high color sorting accuracy and less overall time consumption, can automatically screen qualified rice into whole grain rice and broken rice after color sorting, is more convenient and efficient to use, and is very worthy of popularization.

Description

Rice color selector

Technical Field

The invention relates to the technical field of color selectors, in particular to a rice color selector.

Background

In the prior art, the rice color sorter with the application number of '201810202484.6' comprises a machine bin, a feed inlet, a sliding plate and an induction distinguishing bin, wherein the feed inlet is arranged above the machine bin, a material distributing plate is uniformly arranged in the feed inlet, a vibrating motor is arranged on one side of the feed inlet, a telescopic rod is hinged to the lower part of one side, far away from the vibrating motor, in the feed inlet, a material discharging plate is hinged to the feed inlet below the telescopic rod, the output end of the telescopic rod is hinged to the material discharging plate, the feed inlet is provided with the vibrating motor and the material distributing plate, a hinged material discharging plate is arranged in the feed inlet, the angle of the material discharging plate can be adjusted through the type of rice, the rice can fall more uniformly and cannot be stacked together, the color sorting effect is better, the sliding plate is arranged in a hinged mode, and the angle of the sliding plate can be, and the surface of the sliding plate is groove-shaped, so that the sliding plate can be matched with the shape of rice and fall down, and the color selection is better.

However, the method still has the obvious defects in the using process: 1. the device screens the good rice and the waste rice by adopting a primary color sorting mode, the rice is brought out greatly, more high-quality rice is directly discarded to cause waste of grain crops, and the error is larger; 2. the device can only carry out screening according to the color of rice, so that good rice, waste rice and other impurities can be selected, but color sorting of rice grains can not be carried out, and in the actual processing process, the rice grains are sorted by a special rice grain size screening machine before and after color sorting, so that not only is energy consumption increased, but also the working efficiency is seriously influenced; 3. at present, when the impurity rate of most color selectors in the market is 2%, the color selection precision can basically reach 99.99%, except that the impurity rate can affect the color selection effect of the color selectors, the yield in unit time is also one of key factors, the yield is in inverse proportion to the color selector precision, namely the color selection effect is worse when the yield is larger in unit time, therefore, in actual use, an operator is often required to manually adjust the feeding rate according to the rejection rate of raw materials to achieve the best color selection effect, but the manual judgment is not accurate enough, and the operation is complicated.

Disclosure of Invention

The invention aims to provide a rice color selector to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a rice color selector comprises a rack, wherein an electric cabinet is fixedly arranged on the rack, and a feeding device, a sorting device, a material receiving device and a gas circuit device are fixedly arranged between the racks from top to bottom in sequence;

the feeding device comprises a hopper frame, a hopper is fixedly arranged between the hopper frames on two sides, a hopper partition plate is arranged in the middle of the hopper, the hopper partition plate divides the hopper into a first hopper cavity and a second hopper cavity, a feeding adjusting plate is hinged to the rear of the hopper, a color sorting vibrator is arranged below the hopper, a first chute and a second chute are arranged below the color sorting vibrator, a channel partition plate is arranged between the first chute and the second chute, and light barriers are respectively arranged on two sides of the whole body formed by the first chute and the second chute;

the sorting device comprises a front sorting box and a rear sorting box, wherein upper doors are hinged on the front sorting box and the rear sorting box, supporting rods are movably abutted between the upper doors and the front sorting box, and a CCD high-definition lens, an airflow ejector, a background device and a light path device are arranged in the front sorting box and the rear sorting box;

the material receiving device comprises a front material receiving hopper, a material receiving hopper partition plate is arranged in the front material receiving hopper, an inner cavity of the front material receiving hopper is divided into a material receiving cavity I and a material receiving cavity II by the material receiving hopper partition plate, a rear material receiving hopper is arranged behind the front material receiving hopper, the rear material receiving hopper and a spray valve box are welded into a whole, and the bottom of the front material receiving hopper is respectively provided with an opening A, an opening B, an opening C and an opening D;

the electric control box is electrically connected with the color selection vibrator, the background device, the light path device, the spray valve box and the gas path device respectively.

Preferably, the front plate of the feeding hopper is provided with two groups of observation windows, and the observation windows are respectively arranged corresponding to the positions of the feeding cavity I and the feeding cavity II.

Preferably, the first sliding groove and the second sliding groove are integrally formed.

Preferably, the feeding cavity I and the feeding cavity II are arranged according to the proportion of 3:1, the sliding chute I and the sliding chute II are arranged according to the proportion of 3:1, and the material receiving cavity I and the material receiving cavity II are arranged according to the proportion of 3: 1.

Preferably, the front part of the front sorting box is a front door, and a display screen, a red-green switch and an LED lamp panel are arranged on the front door.

Preferably, be provided with cleaning device between preceding sorting bin and the back sorting bin, cleaning device's top both sides are provided with walks the spool.

Preferably, a collecting device is arranged below the material receiving device, the collecting device comprises a bottom plate, a weighing sensor is arranged on the bottom plate, a bearing plate is arranged on the weighing sensor, a good product box and a waste product box are arranged on the bearing plate, a threaded blind groove is arranged on the side wall of the good product box, a built-in barrel is arranged in the good product box, an external threaded layer is arranged on the outer wall of the built-in barrel, a circular ring plate is sleeved outside the built-in barrel, an internal threaded layer is arranged on the inner ring of the circular ring plate, the circular ring plate is arranged on the external threaded layer of the built-in barrel through threads of the internal threaded layer, a positioning screw hole is formed in the circular ring plate, screws are arranged in the positioning screw hole and the threaded blind groove through threads to fix the built-in barrel and the good product box, a groove ring is formed in the bottom of the built-in barrel, and a screening net plate is arranged in the groove ring, a compression spring is connected between the screening net plate and the groove ring;

the bottom of the waste box is provided with a base frame, a vibration spring is connected between the waste box and the base frame, an anti-accumulation vibrator is arranged on the outer wall of the waste box, a fixed plate is fixedly arranged on the inner wall of the waste box, and an infrared distance measuring sensor assembly is arranged on the fixed plate;

the feeding hopper frame is provided with a telescopic cylinder, the output end of the telescopic cylinder is fixed on the feeding adjusting plate, and the electric cabinet is electrically connected with the telescopic cylinder, the weighing sensor, the accumulation-preventing vibrator and the infrared distance measuring sensor assembly respectively.

Preferably, the screening net plate and the outlet of the groove ring are connected and provided with elastic layers.

Preferably, a rice baffle is fixedly arranged on the fixing plate.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the rice material is divided into good rice and waste rice by using a circular color sorting mode, the color sorting accuracy is higher, waste of the good rice is avoided, and waste impurities cannot be mixed in the good rice;

2. the screening screen plate is arranged in the good product box of the collection device after color sorting, good product rice after color sorting can be automatically classified, broken rice grains below the screening screen plate can be separated from whole grain good product rice above the screening screen plate, functions are concentrated, subsequent classification operation is saved, machining efficiency is effectively improved, the size of a broken rice storage space can be flexibly adjusted according to the broken rice rate of rice materials in different batches, in addition, a compression spring is connected between the screening screen plate and the groove ring, when rice grains fall, impact can be caused on the screening screen plate, the screening screen plate vibrates under the action of the compression spring, and the screening screen plate is prevented from being blocked by the rice grains;

3. the weighing sensor, the anti-accumulation vibrator and the infrared distance measuring sensor assembly are arranged in the waste box, the anti-accumulation vibrator works to enable waste rice in the waste box to be flatly paved in the waste box, accumulation can not occur, when the weighing sensor detects a set weight, the infrared distance measuring sensor assembly is started to detect the height value of the waste rice, if the waste rice is detected to be higher, the yield of the batch of rice grains is lower, the electric cabinet controls the telescopic cylinder to drive the feeding adjusting plate to incline, the feeding speed is reduced, the accuracy of color selection is improved, and vice versa, and the equipment is more intelligent.

The invention provides a rice color sorter, which adopts a circular color sorting mode, automatically adjusts the feeding speed according to the rejection rate of rice materials, has high color sorting accuracy and less overall time consumption, can automatically screen qualified rice into whole grain rice and broken rice after color sorting, is more convenient and efficient to use, and is very worthy of popularization.

Drawings

FIG. 1 is a first three-dimensional schematic diagram of the overall structure of the present invention;

FIG. 2 is a two-dimensional schematic diagram of the overall structure of the present invention;

FIG. 3 is a rear view of one embodiment of the overall structure of the present invention;

FIG. 4 is a schematic view of a feed apparatus of the present invention;

FIG. 5 is a first schematic view of a sorting apparatus according to the present invention;

FIG. 6 is a second schematic view of the sorting apparatus of the present invention;

fig. 7 is a first schematic view of a receiving device according to the present invention;

fig. 8 is a second schematic view of the receiving device of the present invention;

FIG. 9 is a cross-sectional view of the overall structure of the collecting device of the present invention;

FIG. 10 is an enlarged view taken at A of FIG. 9 in accordance with the present invention;

FIG. 11 is an enlarged view of the invention at B of FIG. 9;

fig. 12 is a top view of the inner barrel and annular plate of the present invention.

In the figure: 1 rack, 2 electric cabinets, 3 feeding devices, 31 hopper racks, 32 hoppers, 321 hopper partition boards, 322 hopper cavity I, 323 hopper cavity II, 33 feeding adjusting plates, 331 telescopic air cylinders, 34 observation windows, 35 color selection vibrators, 36 chute I, 37 chute II, 38 lane partition boards, 39 light barrier boards, 4 sorting devices, 41 front sorting boxes, 411 front doors, 412 upper doors, 413 supporting rods, 414 background devices, 415 light path devices, 42 rear sorting boxes, 43 cleaning devices, 44 wiring pipes, 5 material receiving devices, 51 front material receiving hoppers, 511 hopper partition boards, 512 material receiving cavity I, material receiving cavity II, 52 rear material receiving hoppers, 53 spray valve boxes, 54A ports, 55B ports, 56C ports, 57D ports, 6 air path devices, 7 collecting devices, 8 bottom plates, 10 weighing sensors, 11 bearing plates, 12 good product boxes, 121 thread blind grooves, 13 internal cylinder bodies, 131 external thread layers, 14 circular plates, 12 external thread circular plates, 13 external thread blind grooves, 141 threaded layer, 142 positioning screw holes, 143 screws, 151 grooved rings, 152 screen mesh plate, 153 compression spring, 154 elastic layer, 16 waste bin, 161 base frame, 162 vibration spring, 163 anti-stacking vibrator, 164 fixed plate, 165 infrared distance measuring sensor assembly, 166 baffle plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-12, the present invention provides a technical solution:

the utility model provides a rice look selection machine, includes frame 1, is provided with electric cabinet 2 in the frame 1 is fixed, and from the top down is fixed in proper order between frame 1 and is provided with feed arrangement 3, sorting unit 4, receiving device 5 and air circuit device 6.

The feeding device 3 comprises a hopper frame 31 which can be made of a sheet metal structure and is more sturdy and durable, a hopper 32 is fixedly arranged between the hopper frames 31 at two sides, a hopper partition 321 is arranged in the middle of the hopper 32, the hopper 32 is divided into a first hopper cavity 322 and a second hopper cavity 323 by the hopper partition 321, a feeding adjusting plate 33 is hinged behind the hopper 32, used for adjusting the rice flow, a color selection vibrator 35 is arranged below the feeding hopper 32, the color selection vibrator 35 can adopt GT/K-08 model provided by the Jili hydropneumatic science and technology Limited company in Wenzhou, in order to reduce the load of the color selection vibrator 35, a buffer plate may be disposed in the feeding hopper 32, a first chute 36 and a second chute 37 are disposed below the color selection vibrator 35, a channel partition 38 is disposed between the first chute 36 and the second chute 37, and light blocking plates 39 are disposed on two sides of the whole body formed by the first chute 36 and the second chute 37.

Sorting unit 4 includes preceding sorting box 41 and back sorting box 42, all articulates on preceding sorting box 41 and the back sorting box 42 and is provided with overhead door 412, and the activity butt is provided with bracing piece 413 between overhead door 412 and the preceding sorting box 41, makes things convenient for the assembly and the maintenance of built-in part, all is provided with CCD high definition camera lens, air current sprayer, background device 414 and light path device 415 in preceding sorting box 41 and the back sorting box 42 for carry out the look to the rice and select.

The material receiving device 5 comprises a front material receiving hopper 51, a material receiving hopper partition plate 511 is arranged in the front material receiving hopper 51, the inner cavity of the front material receiving hopper 51 is divided into a material receiving cavity I512 and a material receiving cavity II 513 by the material receiving hopper partition plate 511, a rear material receiving hopper 52 is arranged behind the front material receiving hopper 51, the rear material receiving hopper 52 and a spraying valve box 53 are welded into a whole, the spraying valve box 53 is used for installing a spraying valve and a valve control plate and controlling the air flow spraying time, an opening A54, an opening B55, an opening C56 and an opening D57 are respectively formed in the bottom of the front material receiving hopper 51, the opening A is a good product rice outlet, the material flow of the opening B is checked in a repeated mode to flow to a secondary lifting machine, the material of the opening C flows to a primary lifting machine, the opening D is a waste product rice outlet, the electric control box 2 is respectively electrically connected with a color sorting vibrator 35, a background device 414, a.

Preferably, two sets of observation windows 34 are disposed on the front plate of the feeding hopper 32, and the observation windows 34 are disposed corresponding to the positions of the first feeding cavity 322 and the second feeding cavity 323, respectively, so as to facilitate real-time monitoring of the storage amount of the rice in the feeding hopper 32.

Preferably, the first sliding groove 36 and the second sliding groove 37 are integrally formed, so that the whole device is more firm and durable.

Preferably, the first feeding cavity 322 and the second feeding cavity 323 are arranged according to a ratio of 3:1, the first chute 36 and the second chute 37 are arranged according to a ratio of 3:1, and the first receiving cavity 512 and the second receiving cavity 513 are arranged according to a ratio of 3:1, and the proportion is obtained according to multiple test results, so that the proportion of good rice and waste rice can be better matched.

Preferably, the front side 411 is arranged in front of the front sorting box 41, a display screen, a red-green switch and an LED lamp panel are arranged on the front side 411, the display screen is used for displaying relevant working parameters, and the red-green switch and the LED lamp panel are used for indicating state information.

Preferably, a cleaning device 43 is arranged between the front sorting box 41 and the rear sorting box 42, the cleaning device 43 is mainly used for cleaning the front sorting box 41 and the rear sorting box 42, especially a CCD high-definition lens, so as to prevent dust in the rice from attaching to influence color sorting precision, and wiring pipes 44 are arranged on two sides above the cleaning device 43.

Preferably, a collecting device 7 is arranged below the material receiving device 5, the collecting device 7 comprises a bottom plate 8, a weighing sensor 10 is arranged on the bottom plate 8, the weighing sensor 10 can adopt QS-D-40TL model of Koli brand, a bearing plate 11 is arranged on the weighing sensor 10, a good product box 12 and a waste product box 16 are arranged on the bearing plate 11 and are respectively used for storing good product rice and waste product rice after color selection, a thread blind groove 121 is arranged on the side wall of the good product box 12, an internal cylinder 13 is arranged in the good product box 12, the internal cylinder 13 is used for screening and storing whole grains in the good product rice, an external thread layer 131 is arranged on the outer wall of the internal cylinder 13, a circular ring plate 14 is sleeved on the outer side of the internal cylinder 13, an internal thread layer 141 is arranged on the inner ring of the circular ring plate 14, the circular ring plate 14 is arranged on the external thread layer 131 of the internal cylinder 13 through threads of the internal thread layer 141, the circular ring plate 14 is provided with a positioning screw hole 142, the positioning screw hole 142 and the thread blind groove 121 are provided with a screw 143, the fixing device is used for fixing the built-in cylinder body 13 and the good product box 12, the position of the built-in cylinder body 13 in the good product box 12 can be flexibly adjusted, if the broken rice rate in the batch of rice materials is higher, the built-in cylinder 13 can be arranged close to the upper part, so that the good product box 12 below can reserve a larger space for storing broken rice, the use is flexible, the bottom of the built-in cylinder 13 is provided with a groove ring 151, a screening net plate 152 is arranged in the groove ring 151, the screening net plate 152 is used for screening whole grains and broken rice, a compression spring 153 is connected between the screening net plate 152 and the groove ring 151, when rice grains fall down, impact is caused to the screening net plate 152, so that the compression spring 153 is compressed or stretched, and the screening net plate 152 vibrates, thereby preventing the screening net plate 152 from being blocked by broken rice;

the bottom of the waste box 16 is provided with a base frame 161, a vibrating spring 162 is connected between the waste box 16 and the base frame 161, the waste box 16 can vibrate and shake due to the arrangement of the vibrating spring 162, an anti-accumulation vibrator 163 is arranged on the outer wall of the waste box 16, the anti-accumulation vibrator 163 can be of a model GT/K-08 provided by the extreme hydropneumatic science and technology company Limited in Wenzhou, a fixing plate 164 is fixedly arranged on the inner wall of the waste box 16, an infrared ranging sensor assembly 165 is arranged on the fixing plate 164, and the infrared ranging sensor assembly 165 can be of a model GP2Y0A710K0F provided by Shenzhen Cin Henry electronics Limited;

the hopper frame 31 is provided with a telescopic cylinder 331, the telescopic cylinder 331 can adopt an SC50-350 model provided by the flood pneumatic company, the output end of the telescopic cylinder 331 is fixed on the feeding adjusting plate 33 and used for controlling the opening and closing angle of the feeding adjusting plate 33, and the electric cabinet 2 is respectively electrically connected with the telescopic cylinder 331, the weighing sensor 10, the accumulation-preventing vibrator 163 and the infrared distance measuring sensor assembly 165 and can control the electric devices.

Preferably, the outlet of the sieving mesh plate 152 and the outlet of the groove ring 151 are connected and provided with an elastic layer 154, and the groove ring 151 can be relatively sealed by the elastic layer 154, so that the rice grains are prevented from being embedded in the groove ring 151, and the normal use of the device is prevented from being influenced.

Preferably, a meter-blocking plate 166 is fixedly arranged on the fixing plate 164, and the meter-blocking plate 166 is mainly arranged to prevent fallen waste products from smashing the infrared distance measuring sensor assembly 165.

The working principle is as follows: and at the beginning of color selection, the rice material enters from a first feeding cavity 322 of the feeding hopper 32, passes through a first chute 36 and then reaches the sorting device 4, good rice in the sorted rice material flows out from a port A54, the rest rice flows to a secondary lifting machine from a port B55 for checking, the checked rice flows out from a second chute 37 after entering a second feeding cavity 323, the checked rice flows out from a port D57, the rest rice flows out from a port C56 and returns to primary color selection again, and the steps are repeated in this way until the color selection is finished.

The good product rice obtained after color sorting falls into the good product box 12 of the collecting device 7, the waste product rice falls into the waste product box 16, the good product rice falling into the good product box 12 falls onto the screening net plate 152, so that the screening net plate 152 is impacted to drive the compression spring 153 to shake, the screening effect can be improved, the screening net plate 152 can be prevented from being blocked by rice grains, broken rice falls onto the bottom of the good product box 12 after screening by the screening net plate 152, and whole grain rice in the good product rice is left on the screening net plate 152, so that classification treatment is facilitated; in addition, if the broken rice rate in a certain batch is higher, can be after dismantling screw 143, rotate ring plate 14 around built-in barrel 13 for ring plate 14 is located the position that built-in barrel 13 leaned on, then will fix a position screw 142 and screw thread screw in screw thread blind groove 121 screw 143 again, make built-in barrel 13 pass through ring plate 14 and fix on good product case 12, the space between built-in barrel 13 below and good product case 12 bottom plate then has increased like this, is convenient for store more broken rice. And vice versa.

Waste rice can fall into the waste box 16, under the action of the anti-accumulation vibrator 163, the waste rice in the waste box 16 is uniformly distributed and cannot be accumulated, when the weighing sensor 10 detects that the total amount of the waste rice and the non-defective rice on the bearing plate 11 reaches a preset value, the infrared distance measuring sensor assembly 165 is started through the automatic control device in the electric cabinet 2, the height of the waste rice in the waste box 16 is measured, if the waste rice is high, the rejection rate is high, the telescopic cylinder 331 is controlled to be started through the automatic control device in the electric cabinet 2, the telescopic cylinder 331 drives the inclination angle of the feeding adjusting plate 33 to be changed, so that the feeding flow is reduced, and the color sorting precision is effectively improved; vice versa, when the yields is higher, then can increase the material flow, accomplish the look selection fast, when guaranteeing the look selection effect, it is more intelligent.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a rice color sorter, includes frame (1), its characterized in that: an electric cabinet (2) is fixedly arranged on the machine frame (1), and a feeding device (3), a sorting device (4), a receiving device (5) and an air circuit device (6) are fixedly arranged between the machine frames (1) from top to bottom;

the feeding device (3) comprises a hopper frame (31), a hopper (32) is fixedly arranged between the hopper frames (31) at two sides, a hopper partition plate (321) is arranged in the middle of the hopper (32), the hopper partition plate (321) divides the hopper (32) into a first hopper cavity (322) and a second hopper cavity (323), a feeding adjusting plate (33) is hinged to the rear of the hopper (32), a color selection vibrator (35) is arranged below the hopper (32), a first chute (36) and a second chute (37) are arranged below the color selection vibrator (35), a channel partition plate (38) is arranged between the first chute (36) and the second chute (37), and light blocking plates (39) are respectively arranged at two sides of the whole formed by the first chute (36) and the second chute (37);

the sorting device (4) comprises a front sorting box (41) and a rear sorting box (42), upper doors (412) are hinged to the front sorting box (41) and the rear sorting box (42), supporting rods (413) are movably abutted between the upper doors (412) and the front sorting box (41), and CCD high-definition lenses, airflow ejectors, background devices (414) and light path devices (415) are arranged in the front sorting box (41) and the rear sorting box (42);

the material receiving device (5) comprises a front material receiving hopper (51), a material receiving hopper partition plate (511) is arranged in the front material receiving hopper (51), the inner cavity of the front material receiving hopper (51) is divided into a material receiving cavity I (512) and a material receiving cavity II (513) by the material receiving hopper partition plate (511), a rear material receiving hopper (52) is arranged behind the front material receiving hopper (51), the rear material receiving hopper (52) and a spray valve box (53) are welded into a whole, and the bottom of the front material receiving hopper (51) is respectively provided with an A port (54), a B port (55), a C port (56) and a D port (57);

the electric control box (2) is respectively and electrically connected with the color selection vibrator (35), the background device (414), the light path device (415), the spray valve box (53) and the air path device (6).

2. The rice color selector as claimed in claim 1, wherein: two groups of observation windows (34) are arranged on the front plate of the feeding hopper (32), and the observation windows (34) are respectively arranged corresponding to the positions of the feeding cavity I (322) and the feeding cavity II (323).

3. The rice color selector as claimed in claim 1, wherein: the first sliding groove (36) and the second sliding groove (37) are integrally formed.

4. The rice color selector as claimed in claim 1, wherein: the feeding cavity I (322) and the feeding cavity II (323) are arranged according to the proportion of 3:1, the sliding chute I (36) and the sliding chute II (37) are arranged according to the proportion of 3:1, and the receiving cavity I (512) and the receiving cavity II (513) are arranged according to the proportion of 3: 1.

5. The rice color selector as claimed in claim 1, wherein: preceding sorting box (41) are preceding for qianmen (411), be provided with display screen, red green switch and LED lamp plate on qianmen (411).

6. The rice color selector as claimed in claim 1, wherein: be provided with cleaning device (43) between preceding sorting box (41) and back sorting box (42), the top both sides of cleaning device (43) are provided with walk spool (44).

7. The rice color selector as claimed in claim 1, wherein: the collecting device (7) is arranged below the material receiving device (5), the collecting device (7) comprises a bottom plate (8), a weighing sensor (10) is arranged on the bottom plate (8), a bearing plate (11) is arranged on the weighing sensor (10), a good product box (12) and a waste product box (16) are arranged on the bearing plate (11), a thread blind groove (121) is arranged on the side wall of the good product box (12), a built-in barrel body (13) is arranged in the good product box (12), an external thread layer (131) is arranged on the outer wall of the built-in barrel body (13), a circular plate (14) is sleeved on the outer side of the built-in barrel body (13), an internal thread layer (141) is arranged on the inner ring of the circular plate (14), and the circular plate (14) is arranged on the external thread layer (131) of the built-in barrel body (13) through the internal thread layer (141) in a thread manner, the circular ring plate (14) is provided with a positioning screw hole (142), screws (143) are arranged in the positioning screw hole (142) and the thread blind groove (121) in a threaded manner to fix the built-in cylinder (13) and the good product box (12), the bottom of the built-in cylinder (13) is provided with a groove ring (151), a screening screen plate (152) is arranged in the groove ring (151), and a compression spring (153) is connected between the screening screen plate (152) and the groove ring (151);

a base frame (161) is arranged at the bottom of the waste box (16), a vibration spring (162) is connected between the waste box (16) and the base frame (161), an anti-accumulation vibrator (163) is arranged on the outer wall of the waste box (16), a fixed plate (164) is fixedly arranged on the inner wall of the waste box (16), and an infrared distance measuring sensor assembly (165) is arranged on the fixed plate (164);

go into and be provided with telescopic cylinder (331) on hopper frame (31), telescopic cylinder's (331) output is fixed in on feeding regulating plate (33), electric cabinet (2) respectively with telescopic cylinder (331), weighing sensor (10), prevent piling up with vibrator (163) and infrared distance measuring sensor subassembly (165) electric connection.

8. The rice color selector as claimed in claim 7, wherein: and an elastic layer (154) is connected and arranged at the outlets of the screening net plate (152) and the groove ring (151).

9. The rice color selector as claimed in claim 7, wherein: the rice blocking plate (166) is fixedly arranged on the fixing plate (164).