CN114273207A - Kidney bean intelligent sorting system - Google Patents

Abstract

The invention provides a kidney bean intelligent sorting system which comprises a screening machine shell, wherein a main shaft is arranged in the center of the interior of the screening machine shell, a spiral separating mechanism is arranged on the main shaft, the spiral separating mechanism rotates around the main shaft from top to bottom from the upper part of the screening machine shell and reaches the bottom of the screening machine shell, a feeding mechanism and a feeding mechanism are arranged at an inlet at the upper part of the spiral separating mechanism, a main outlet is arranged at an outlet at the lower part of the spiral separating mechanism, at least one branch outlet is arranged in the middle of the spiral separating mechanism, a reversing mechanism is arranged at the tail end of the main outlet, a returning mechanism is arranged on the other side of the reversing mechanism, the returning mechanism is of an annular conveying structure, and materials entering the interior are returned to the feeding mechanism. The invention can form continuous operation from feeding to discharging, realize multiple screening and respective discharging in the process, simultaneously realize material return operation, provide more than one scheme, realize process cleanness, prevent blockage and other problems.

Description

Kidney bean intelligent sorting system

Technical Field

The invention relates to the technical field of agricultural equipment, in particular to the technical field of agricultural screening, and specifically relates to an intelligent kidney bean sorting system and method.

Background

Kidney bean is a leguminous plant which can be eaten by both tender kidney bean pod and bean grain, and the kidney bean grain is generally in an oblong shape or kidney shape, 0.9-2 cm long and 0.3-1.2 cm wide. In kidney bean earlier stage processing, after shelling the kidney bean, in order to improve the product quality of kidney bean, let the kidney bean can distinguish according to size, need sieve its beans body before further processing, select out the kidney bean seed that the granularity size is different to improve the categorised degree of polymerization of product.

At present, the equipment to the kidney bean seed screening is less to current seed screening equipment generally is the circular port, does not conform to the true shape structure of kidney bean, has the seed of being difficult to realize and sieves in grades, the lower scheduling problem of efficiency, and a large amount of beans liquid can appear in the screen cloth region in the screening process, is difficult to clear away, interferes with the normal use of equipment easily. Chinese patent with application number 201621293836.6 provides "a screening plant that kidney bean was selected separately", and its structure is exactly to adopt multilayer vibration screen, and this structure can realize the screening to a certain extent, but the kidney bean of screening is difficult to direct discharge, influences subsequent screening, leads to piling up and damaging easily simultaneously, is unfavorable for long-term stable use. Chinese patent No. 201821008098.5 provides "a screening plant for kidney bean sorting", and its structure also adopts multilayer vibrating screen scheme, though can discharge the material in real time, can not solve above-mentioned problem completely yet.

Therefore, find a screening plant that can intelligent continuous operation, have great help to improving the screening effect of kidney bean.

Disclosure of Invention

Aiming at the problems, the invention provides a kidney bean intelligent sorting system and a kidney bean intelligent sorting method, which can realize continuous operation from feeding to discharging through creative design of a structure, realize multiple screening and separate discharging in the process, simultaneously realize material return operation, provide more than one scheme, realize clean process, prevent blockage and other problems.

The technical scheme of the invention is as follows:

an intelligent kidney bean sorting system comprises a screening machine shell, wherein a main shaft is arranged at the central part in the screening machine shell, a spiral separating mechanism is arranged on the main shaft, the spiral separating mechanism rotates around the main shaft from top to bottom from the upper part of the screening machine shell and reaches the bottom of the screening machine shell, a feeding mechanism and a feeding mechanism are arranged at an upper inlet of the spiral separating mechanism, a main outlet is arranged at a lower outlet of the spiral separating mechanism, at least one branch outlet is arranged in the middle of the spiral separating mechanism, a reversing mechanism is arranged at the tail end of the main outlet, a returning mechanism is arranged at the other side of the reversing mechanism, the returning mechanism is of an annular conveying structure, and materials entering the interior are returned to the feeding mechanism;

a guide cylinder is arranged at the axis of the inner side of the top of the screening machine shell, the upper end of the main shaft is sleeved in the guide cylinder, and the lower end of the main shaft penetrates through the bottom of the screening machine shell and is connected with a vibration mechanism;

and a temperature control device is arranged on the side surface of the guide cylinder and used for adjusting the temperature and humidity inside the screening machine shell.

Furthermore, the screening machine shell is of a cylindrical structure and is in clearance fit with the spiral separation mechanism; the spiral separation mechanism comprises an upper layer spiral plate and a lower layer spiral plate which are respectively used as an upper layer spiral plate and a lower layer spiral plate, the upper layer spiral plate and the lower layer spiral plate are arranged in parallel, the inner sides of the upper layer spiral plate and the lower layer spiral plate are connected and fixed in the main shaft, a vertical outer baffle is arranged between the outer sides of the upper layer spiral plate and the lower layer spiral plate, the bottom of the outer baffle is flush with the lower layer spiral plate, and the height of the top of the outer baffle exceeds that of the upper layer spiral plate by at least 5 cm;

the upper layer spiral plate is provided with a plurality of openings, the openings are provided with the screening plate, and the screening plate is provided with a plurality of screen holes for screening kidney beans;

the distance between the lower layer spiral plate and the upper layer spiral plate is not less than 6cm, and the feeding mechanism, the branch outlet and the main outlet are all arranged in the same direction;

screening baffles are arranged on part of the screening plates; the partial position at lower floor's spiral plate is equipped with the opening, is equipped with branch export in lower floor's spiral plate opening side, and the entry end that divides the export bears the lower floor's spiral plate below, is equipped with lower floor's baffle below lower floor's spiral plate opening for inject the kidney bean that lower floor's baffle top came and can both be blocked and send into and divide in the export.

Furthermore, a cleaning plate is arranged between the upper layer spiral plate and the lower layer spiral plate, two sides of the cleaning plate are arranged on the main shaft and the outer baffle plate, rails are arranged on the main shaft and the outer baffle plate, and the rails face the cleaning plate; the track is divided into an upper layer and a lower layer, the track on the main shaft is used as a main shaft transverse groove, the track of the outer baffle is used as a baffle transverse groove, the baffle transverse groove of the outer baffle comprises an upper moving groove and a lower moving groove which are parallel to each other, a baffle longitudinal groove is arranged between the upper moving groove and the lower moving groove and is perpendicular to the upper moving groove and the lower moving groove, driven pulleys are fully paved on the lower sides of the baffle transverse groove, a cleaning moving block with a groove body in the middle is placed on the driven pulleys, the horizontal surface of the cleaning moving block is in a concave shape, the cleaning moving block moves in the baffle transverse groove under the driving of the driven pulleys, a side fixed block is arranged on the side surface of the cleaning plate, the groove body of the cleaning moving block is matched with the side fixed block, and the cleaning moving block is driven to move integrally by driving the side fixed block; the same moving block is arranged in the transverse groove of the main shaft, and the speed of the moving block is lower than that of the cleaning moving block, so that the cleaning plate can move up and down spirally.

Furthermore, the cleaning plate comprises a main push plate, the main push plate is a hard plate body, a flexible brush is arranged at the upper end of the main push plate, a cleaning plate pulley mechanism is arranged on the side surface of the main push plate, the cleaning plate pulley mechanism comprises a longitudinal pulley and a transverse pulley, and a base of the cleaning plate pulley mechanism is provided with a telescopic mechanism which can control the contact relation between the cleaning plate pulley mechanism and the transverse groove of the main shaft and the transverse groove of the baffle;

the longitudinal pulley is used for driving the cleaning plate to move along the main shaft longitudinal groove and the baffle longitudinal groove, and the transverse pulley is used for driving the cleaning plate to move along the main shaft transverse groove and the baffle transverse groove; when the cleaning plate pulley mechanism of the cleaning plate is positioned in the upper moving groove, the brush of the cleaning plate contacts the lower side of the upper spiral plate and keeps bending under the blocking of the upper spiral plate; when the cleaning plate pulley mechanism of the cleaning plate is positioned in the lower moving groove, the bottom of the main push plate of the cleaning plate is close to the upper side of the lower spiral plate, a gap of 0.5-2 mm is kept, and the brush is kept vertical;

the middle part of the lower baffle is provided with a baffle rotating shaft, two ends of the baffle rotating shaft are fixed between the main shaft and the outer baffle, and the baffle rotating shaft is provided with a driving mechanism which can drive the baffle rotating shaft to rotate, and the angle of the baffle rotating shaft is adjusted so as to adjust the inclination of the lower baffle; when baffle pivot was adjusted lower floor's baffle and is vertical state, the realization was to whole upper helical plate and the closed separation between the helical plate of lower floor, when it was the tilt state, can reach and keep parallel between upper helical plate and the helical plate of lower floor.

Furthermore, the screening plate arranged in the opening of the upper spiral plate comprises an upper screening plate, a bottom screening plate and a screening layer, the screening layer is fixed in the upper screening plate and the bottom screening plate, a plurality of screening positioning holes are formed in the upper side of the bottom screening plate, a plurality of screening positioning cones corresponding to the screening positioning holes are formed in the lower side of the upper screening plate, and the screening positioning holes and the screening positioning cones are in interference fit; a plurality of screening holes are formed in the screening layer, small screening layer holes are formed in the periphery of the screening layer, the screening positioning cone penetrates through the small screening layer holes, and the screening layer is fixed between the screening upper plate and the screening bottom plate;

the screening layer is provided with a plurality of models, each model corresponds to different screening hole sizes, the screening layer with the required model can be placed between the screening upper plate and the screening bottom plate according to requirements, and different screening layers can be arranged on each spiral surface of the upper spiral plate from top to bottom so as to ensure that kidney beans from small to large are screened;

the screening layer is a flexible plastic plate, and a hard plastic ring is arranged at the edge of the screening hole; a plurality of metal rods are arranged on the screening bottom plate and used as screening support rods for supporting flexible screening layers in an auxiliary mode; one side edge of the upper screening plate is provided with a section of groove which is used as a baffle mounting groove and used for mounting and fixing the screening baffle.

Furthermore, an air charging and discharging pipe is arranged in the main shaft, the lower end of the air charging and discharging pipe is connected to an air exhaust mechanism arranged beside the vibration mechanism, and an air charging plate or an air charging plate II' is arranged on the side face of the main shaft corresponding to the screening plate.

Further, the inflatable plate comprises a mounting frame connected to the main shaft, a cleaning mounting plate is connected to the side surface of the mounting frame, a plurality of springs are arranged in the cleaning mounting plate, a cleaning working plate is arranged at the other end of each spring, and sealing cloth is connected to the peripheries of the cleaning working plate and the cleaning mounting plate; when the cleaning plate is not in use, the interior of the inflatable plate is in a negative pressure state, the spring is compressed, and after the inflation and deflation pipe is communicated with the outside, the air pressure is recovered, and the spring pops out and drives the cleaning working plate to push to the bottom of the screening plate;

furthermore, the second inflatable plate 'comprises a second mounting frame' connected to the lower portion of the upper spiral plate, an air bag 'is arranged on the second mounting frame' in the upward direction and in the downward direction, a second spring 'is arranged in the air bag, the second spring' and the air bag 'are both connected to a second cleaning working plate', an air passage 'is arranged in the second cleaning working plate', and the air bag 'close to the main shaft is connected to a second inflation and deflation pipe'.

And a baffle side door is arranged on the outer baffle corresponding to the inflatable plate.

Furthermore, the main outlet is inclined downwards, the structure of the main outlet is a rectangular cross section, a weighing sieve is arranged at the bottom of the main outlet, and a weighing mechanism is arranged below the weighing sieve; the bottom end of the main outlet is provided with a reversing mechanism, the reversing mechanism is a plate body of which the bottom is connected with a hinge, when the plate body leans against the upper side of the main outlet, the main outlet is communicated, when the plate body leans against the lower side of the main outlet, the main outlet is closed, and the plate body is communicated to a returning mechanism arranged outside the main outlet.

Furthermore, the returning mechanism comprises two driving wheels, a driven wheel is arranged between the two driving wheels, a plurality of material containing bins are arranged on the inner side of the driven wheel, and two rings are arranged at the front end and the rear end of the driven wheel and used as bin side plates;

the inner side of the upper part of the back conveying mechanism is positioned at the upper part of the feeding mechanism, the feeding mechanism is of a funnel structure, and the width of the feeding mechanism is larger than that of the back conveying mechanism; the kidney beans are conveyed to the upper layer spiral plate through a conveying belt arranged in the feeding mechanism.

The invention has the advantages that:

1. according to the intelligent grading and screening device, the spiral screening structure is arranged, the screening operation area in a wider range is realized in the same space, continuous work can be realized, independent shutdown or independent material taking mechanism arrangement is not needed, and the intelligent grading and screening effect can be realized by means of the gravity or the vibration force of the device;

2. the mechanism designed by the invention can ensure that screening of different levels and different quantities can be met, and the screening can be directly returned for re-operation under the condition of unqualified screening, so that the screening effect is ensured to meet the product quality requirement, the quality inspection in the later period is avoided, and the operation by other equipment is avoided;

3. the cleaning plate capable of spirally moving is arranged, so that the area between the upper spiral plate and the lower spiral plate can be effectively removed, the problem of inconvenience in manual cleaning is solved, and the breeding of microorganisms is reduced; the kidney beans on the lower spiral plate can be conveniently scraped, so that the problem that part of kidney beans are adhered to the inside after being broken is solved, and the whole environment is clean; meanwhile, the brush hair can effectively clean the adhesion of the side surface of the screening layer, and the cleanness and sanitation of each surface are realized; in addition, in the process of moving the cleaning plate, no obstacle which can block the movement of the cleaning plate exists, so that the smooth and convenient transportation process is ensured;

4. the inflatable plate provided by the invention comprises two structures, the inflatable plate can respectively realize rebound or rebound through the combination of gas and a spring, and an active driving mechanism can be reduced, so that kidney beans clamped in the screening layer can be cleaned, the subsequent kidney beans are prevented from being interfered and blocking the screening part; because what the gas-filled plate cooperation was flexible plastics's screening layer, consequently can ensure that the elastic force contact discharges the kidney bean smoothly, raise the efficiency, reduce because of the secondary damage of rigid collision bring to the kidney bean.

5. The temperature in the system can be adjusted, the environment in the screening process is stable, and damage in the screening process is reduced.

Drawings

FIG. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is a schematic view of a disassembled structure of the sieving plate;

FIG. 3 is a schematic structural view of a sieving bottom plate;

FIG. 4 is a cross-sectional view of the lower right hand corner of FIG. 1 in a conventional state;

FIG. 5 is a cross-sectional view of FIG. 4, shown in the reverse orientation;

FIG. 6 is a cross-sectional view of a spiral separation zone;

FIG. 7 is a schematic view of the internal structure of a vacuum spring plate;

FIG. 8 is a view of the motion configuration of FIG. 7 after pressure relief;

FIG. 9 is a cross-sectional view of another embodiment of a helical separation zone;

FIG. 10 is a schematic view showing an internal structure of a vacuum spring plate according to another embodiment;

FIG. 11 is a view of the motion configuration after pressure relief;

FIG. 12 is a schematic cross-sectional view of a cleaning plate area;

FIG. 13 is a schematic cross-sectional view of the cleaning plate in the area of the longitudinal moving groove;

FIG. 14 is a right side sectional view of the outer baffle;

FIG. 15 is a detail view of the cleaning plate;

FIG. 16 is a cross-sectional detail view of the outer baffle;

FIG. 17 is a schematic view of the mounting structure of the lower baffle;

FIG. 18 is a schematic view of the modified structure of FIG. 16;

FIG. 19 is a cross-sectional view of the return mechanism A-A of FIG. 1;

in the figure:

1 screening machine shell, 2 main shaft, 3 guide cylinder, 4 spiral separating mechanism, 5 external baffle, 6 upper spiral plate, 7 lower spiral plate, 8 separating outlet, 9 main outlet, 10 weighing mechanism, 11 weighing and screening, 12 vibrating mechanism, 13 air extracting mechanism, 14 reversing mechanism, 15 returning mechanism, 16 feeding mechanism, 17 feeding mechanism, 18 inflatable plate, 18' inflatable plate II, 19 cleaning plate, 20 temperature control device, 21 lower baffle,

201 main shaft transverse groove, 202 main shaft longitudinal groove,

501 baffle side door, 502 baffle transverse slot, 503 baffle longitudinal slot, 504 passive pulley,

5021 a lower moving groove, 5022 an upper moving groove, 5023 a cleaning moving block,

601 screening plate, 6011 screening plate, 6012 screening layer, 6013 screening bottom plate, 6014 screening baffle plate,

60111 baffle installation groove, 60112 screening positioning cone, 60121 screening hole, 60122 screening layer small hole, 60131 screening positioning hole, 60132 screening support rod,

1501 a driving wheel, 1502 a driven wheel, 1503 a material containing bin, 1504 a side plate of the bin,

1801 mounting rack, 1802 air charging and discharging pipes, 1803 cleaning working plate, 1804 spring, 1805 cleaning mounting plate,

1801 ', a second mounting rack, 1802', a second air charging and discharging pipe, 1803 ', a second cleaning working plate, 1804', a second spring, 1805 'air passage, 1806' air bag,

1901 brush, 1902 main push plate, 1903 cleaning plate pulley mechanism,

19031 longitudinal pulleys, 19032 transverse pulleys.

Detailed Description

In the following description of the present invention, it should be noted that terms such as "upper" and "lower" are used herein only for convenience of description of the drawings, and are not intended to limit the direction in actual use, and do not necessarily require or imply any actual relationship or order between such entities or operations. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus; the driving mechanisms of partial hydraulic, electric and wind power, etc. in the invention, which do not explain the concrete connection or movement mode, belong to the conventional prior art scheme.

As shown in fig. 1-19, an intelligent kidney bean sorting system comprises a screening machine casing 1, wherein the screening machine casing 1 is made of transparent material, and the side surface of the screening machine casing 1 can be opened so as to install and detach an internal mechanism; be equipped with in screening casing 1 with the coaxial main shaft 2 of screening casing 1, be equipped with spiral separating mechanism 4 on main shaft 2, spiral separating mechanism 4 top-down is rotatory around main shaft 2 and is reachd the bottom of screening casing 1, and screening mechanism 1 sets up to the cylinder to with the outside intermittent type cooperation of spiral separating mechanism 4, with the kidney beans departure in avoiding spiral separating mechanism 4. The spiral separation mechanism 4 shown in fig. 1 is provided with 4 circles of spirals, a feeding mechanism 16 and a feeding mechanism 17 are arranged at an upper inlet of the spiral separation mechanism 4, a main outlet 9 is arranged at a lower outlet of the spiral separation mechanism 4, at least one branch outlet 8 is arranged at the middle part of the spiral separation mechanism 4, a soft bag which is sent to other storage mechanisms is connected below the branch outlet 8, a branch outlet 8 is arranged at a second layer from top to bottom as shown in fig. 1, a reversing mechanism 14 (a dotted line part in fig. 1) is arranged at the tail end of the main outlet 9, a returning mechanism 15 is arranged at the other side of the reversing mechanism 14, and the returning mechanism 15 sends materials to the feeding mechanism 16;

a guide cylinder 3 is arranged at the axle center of the inner side of the top of the screening machine shell 1, the upper end of the main shaft 2 is sleeved in the guide cylinder 3, an oil pressure mechanism (such as a hydraulic oil cylinder) is arranged in the guide cylinder 3, the lower end of the main shaft 2 penetrates through the bottom of the screening machine shell 1 and is connected with a vibration mechanism 12, the vibration mechanism 12 moves up and down to drive the main shaft 2 to move up and down, and the main shaft is limited and buffered by the oil pressure mechanism in the guide cylinder 3;

according to the preferred embodiment, at least one temperature control device 20 is arranged on the side of the guide cylinder 3, the temperature control device 20 is a PTC plate to control the temperature and humidity inside, and the side of the screening machine case 1 is provided with an air hole which can be opened and closed.

According to the preferred embodiment, the spiral separation mechanism 4 comprises an upper layer and a lower layer, the inner sides of an upper layer spiral plate 6 and a lower layer spiral plate 7 are connected and fixed in the main shaft 2, a vertical outer baffle plate 5 is arranged between the outer sides of the upper layer spiral plate 6 and the lower layer spiral plate 7, the bottom of the outer baffle plate 5 is flush with the lower layer spiral plate 7, the top height of the outer baffle plate 5 exceeds that of the upper layer spiral plate 6, and the exceeding height is 5 cm;

the upper-layer spiral plate 6 is provided with a plurality of openings, the openings are provided with the screening plate 601, the screening plate 601 is provided with a plurality of elliptical screen holes for screening kidney beans so as to ensure that the kidney beans are adapted to the proper shape;

the interval between the lower layer spiral plate 7 and the upper layer spiral plate 6 is more than 6cm, preferably 6-10 cm, and the sections of the lower layer spiral plate 7 and the upper layer spiral plate 6 are arc surfaces of outer high inner bottoms; the feeding mechanism 17, the branch outlet 8 and the main outlet 9 are all arranged in the same direction; the reason for this design is to avoid the equipment occupying too large volume, and to violate the most basic effect of the spiral screening;

a screening baffle 6014 is arranged on the partial screening plate 601; the partial position at lower floor's spiral plate 7 is equipped with the opening, is equipped with branch export 8 in 7 opening sides of lower floor's spiral plate, and the inlet end that divides export 8 bears the lower floor's spiral plate 7 below, is equipped with lower floor's baffle 21 below 7 openings of lower floor's spiral plate for inject the kidney bean that lower floor's baffle 21 top came and can both be blocked and send into in dividing export 8.

A cleaning plate 19 is arranged between the upper layer spiral plate 6 and the lower layer spiral plate 7, two sides of the cleaning plate 19 are arranged on the main shaft 2 and the outer baffle 5, and rails are arranged on the main shaft 2 and the outer baffle 5;

the track is divided into an upper layer and a lower layer, the track on the main shaft is used as a main shaft transverse groove 201, the track on the outer baffle 5 is used as a baffle transverse groove 502, the baffle transverse groove 502 of the outer baffle 5 comprises an upper moving groove 5022 and a lower moving groove 5021 which are parallel to each other, a baffle longitudinal groove 503 is arranged between the upper moving groove 5022 and the lower moving groove 5021, the baffle longitudinal groove 503 is perpendicular to the upper moving groove 5022 and the lower moving groove 5021, a fully paved driven pulley 504 is arranged at the lower side of the baffle transverse groove 502, a cleaning moving block 5023 with a groove body in the middle is arranged on the driven pulley 504, the horizontal surface of the cleaning moving block 5023 is in a concave shape, the cleaning moving block 5023 moves in the baffle transverse groove 502 under the limitation of the driven pulley 504, a side fixed block is arranged on the side surface of the cleaning plate 19, the groove body of the cleaning moving block 5023 is matched with the side fixed block, and drives the side fixed block 5023 to move integrally, the horizontal side of the cleaning moving block 5023 is clamped in the baffle transverse groove 502 and the spindle transverse groove 201 and cannot derail; the same moving block is also arranged in the transverse groove 201 of the main shaft, and the speed is lower than that of the cleaning moving block 5023, so that the cleaning plate 19 can move up and down spirally, and the angular speed is uniform in the moving process. During the movement, the movement is mainly realized through the driven pulley 504, and the driven pulley 504 is not provided with a rotating power mechanism and only used for providing sliding force so as to ensure that the cleaning block 19 on the driven pulley can move smoothly. In some embodiments, the driven pulley 504 can be connected in series by a chain or the like, and a driving mechanism is provided to actively drive the driven pulley 504 to move, so as to drive the cleaning plate 19 to move.

The cleaning plate 19 comprises a main push plate 1902, a brush 1901 is arranged at the upper end of the main push plate 1902, a cleaning plate pulley mechanism 1903 is arranged on the side surface of the main push plate 1902, the cleaning plate pulley mechanism 1903 comprises a longitudinal pulley 19031 and a transverse pulley 19032, a telescopic mechanism and a control motor are arranged on the base of the cleaning plate pulley mechanism 1903, the contact relationship between the cleaning plate pulley mechanism 1903 and the spindle transverse groove 201 and the baffle transverse groove 502 can be controlled, the cleaning plate 19 is driven to move along a rail, the movement can be smooth due to the fact that a driven pulley 504 is arranged in the rail, lubricating oil can be smeared on the inner upper portions of the baffle transverse groove 502 and the spindle transverse groove 201, and therefore the cleaning plate 19 can slide smoothly;

the number of the longitudinal pulleys 19031 is two, the number of the transverse pulleys 19032 is one, and the transverse pulley 19032 is disposed between the two longitudinal pulleys 19031; longitudinal pulley 19031 is used for driving cleaning plate 19 to move along main shaft longitudinal groove 202 and baffle longitudinal groove 503, and transverse pulley 19032 is used for driving cleaning plate 19 to move along main shaft transverse groove 201 and baffle transverse groove 502; when the cleaning plate pulley mechanism 1903 of the cleaning plate 19 is positioned in the upper moving groove 5022, the brush of the cleaning plate 19 contacts the underside of the upper spiral plate 6 and remains bent; when the cleaning plate pulley mechanism 1903 of the cleaning plate 19 is located in the lower moving groove 5021, the bottom of the main push plate 1902 of the cleaning plate 19 is close to the upper side of the lower spiral plate 7 with a gap of 0.5 to 2mm, and the brush 1901 is kept upright. Batteries are arranged in the main push plate 1902 and used for providing power for the movement of the longitudinal pulleys 19031 and the transverse pulleys 19032, and when the batteries need to be replaced, the cleaning plate 19 is taken out and the batteries in the cleaning plate 19 are replaced. It should be particularly noted that when the transverse pulley 19032 is driven to move, the movement speeds of the transverse pulleys 19032 driven by the two sides of the cleaning plate 19 need to be different to ensure that the angular speed is stable, and at this time, since the cleaning moving block 5023 does not return to the rail, even if the angular speeds are different occasionally, the cleaning block 19 cannot be caused to fall off, and the cleaning block 19 is prevented from falling off.

The middle part of the lower baffle 21 is provided with a baffle rotating shaft 211, two ends of the baffle rotating shaft 211 are fixed between the main shaft 2 and the outer baffle 5, and the baffle rotating shaft 211 is provided with a driving mechanism for adjusting the angle of the baffle rotating shaft 211 so as to adjust the inclination of the lower baffle 21; when baffle pivot 211 is adjusted lower floor's baffle and is vertical state, realize the closure separation between whole upper spiral plate 6 and lower floor's spiral plate 7, and when baffle pivot 211 was adjusted to be parallel with upper spiral plate 6 and lower floor's spiral plate 7, can ensure that cleaning plate 19 smoothly passes through the track and removes and not blockked by lower floor's baffle 21.

According to the preferred embodiment, the screening plate 601 installed in the opening of the upper spiral plate 6 comprises an upper screening plate 6011, a bottom screening plate 6013 and a screening layer 6012, the screening layer 6012 is fixed in the bottom screening plate 6013 and the upper screening plate 6011, a plurality of screening positioning holes 60131 are arranged on the upper side of the bottom screening plate 6013, a plurality of screening positioning cones 60112 corresponding to the screening positioning holes 60131 are arranged on the lower side of the upper screening plate 6011, and the screening positioning holes 60131 and the screening positioning cones 60112 are in interference fit; a plurality of screening holes 60121 are arranged in the screening layer 6012, screening layer small holes 60122 are arranged on the periphery of the screening layer 6012, a screening positioning cone 60112 penetrates through the screening layer small holes 60122, and the screening layer 6012 is fixed between the screening upper plate 6011 and the screening bottom plate 6013;

the screening layer 6012 is provided with a plurality of models, each model corresponds to different sizes of the screening holes 60121, the screening layer 6012 with a required model can be placed between the screening upper plate 6011 and the screening bottom plate 6013 according to needs, different screening layers 6012 can be arranged on each spiral surface in the upper spiral plate 6 from top to bottom in order to ensure that kidney beans from small to large are screened;

the screening layer 6012 is a flexible plastic plate, and a hard plastic ring is arranged at the edge of the screening hole 60121 to ensure that the size of the screening hole 60121 cannot be changed in a stretching mode; due to the design, the flexible plastic plate is more convenient to screen, and screening can be driven by the self-shaking of the flexible plastic plate when the main shaft 2 vibrates, rather than simply relying on integral vibration screening, so that the screening efficiency is improved;

a plurality of metal rods are arranged on the screening bottom plate 6013 and serve as screening support rods 60132 and are used for supporting the flexible screening layer 6012 in an auxiliary mode, and therefore the screening bottom plate is designed to avoid the situation that a large number of kidney beans are gathered due to the fact that the screening layer 6012 made of flexible plastic plates is too collapsed, and the subsequent screening process is affected;

a section of groove is arranged on one side edge of the screening upper plate 6011 and serves as a baffle mounting groove 60111 for mounting and fixing the screening baffle 6014; so that in some cases it is only necessary to screen at the upper part of the spiral separation mechanism and there is no need to provide an auxiliary barrier when falling to the outlet.

According to the preferred embodiment, an air charging and discharging pipe 1802 is arranged in the main shaft 2, the lower end of the air charging and discharging pipe 1802 is connected to an air suction mechanism arranged beside the vibration mechanism 12, and an air charging plate 18 or an air charging plate two 18' is arranged on the side surface of the main shaft 2 corresponding to the screening plate 601.

The inflatable plate 18 comprises a mounting frame 1801 connected to the spindle 2, a cleaning mounting plate 1805 is connected to the side surface of the mounting frame 1801, a plurality of springs 1804 are arranged in the cleaning mounting plate 1805, a cleaning working plate 1803 is arranged at the other end of each spring 1804, and sealing cloth is connected to the peripheries of the cleaning working plate 1803 and the cleaning mounting plate 1805; in a non-use state, the inside of the inflatable plate 18 is in a negative pressure state, the spring 1804 is compressed, when the inflation and deflation pipe 1802 is communicated with the outside, the air pressure is recovered, and the spring 1804 pops up and drives the cleaning working plate 1803 to push to the bottom of the screening plate 601; in this manner, a positive impact may help the impact force to better contact the screening layer 6012, but the installation process may require the outer barrier 5 to be opened.

Or, the second inflatable plate 18 comprises a second mounting frame 1801 ' connected to the lower part of the upper spiral plate 6, an air bag 1806 ' is arranged on the second mounting frame 1801 ' in an upward and downward direction, a second spring 1804 ' is arranged in the air bag, both the second spring 1804 ' and the air bag 1806 ' are connected to a second cleaning working plate 1803 ', an air passage 1805 ' is arranged in the second cleaning working plate 1803 ', and the air bag 1806 ' close to the main shaft 2 is connected to a second inflation/deflation pipe 1802 '; by adopting the mode, the reverse impact is beneficial to reducing the processing difficulty of the main shaft, even the inflatable plate 18 can be directly installed on the screening plate 601 on the upper layer spiral plate 6, and only the lower inflation and deflation pipe II 1802' needs to be butted, so that the installation difficulty is greatly reduced.

And a baffle side door 501 is arranged on the outer baffle 5 corresponding to the inflatable plate 18 so as to facilitate the inflatable plate.

According to the preferred embodiment, the main outlet 9 is inclined downwards, a weighing sieve 11 is arranged at the bottom of the main outlet 9, and a weighing mechanism 10 is arranged below the weighing sieve 11; a reversing mechanism 14 is arranged at the bottommost end of the main outlet 9, the reversing mechanism 14 is a plate body with a bottom connected with a hinge, when the plate body leans against the upper side of the main outlet 9, the main outlet 9 is communicated, and when the plate body leans against the lower side of the main outlet 9, the main outlet 9 is closed and communicated to a returning mechanism 15 arranged outside the main outlet 9.

The returning mechanism 15 comprises two driving wheels 1501, the driving wheels 1501 are provided with motors capable of driving the driving wheels 1501 to rotate, a driven wheel 1502 is arranged between the two driving wheels 1501 and drives the driven wheel 1502 to rotate through friction, a plurality of material containing bins 1503 are arranged on the inner side of the driven wheel 1502, and two rings serving as bin side plates 1504 are arranged at the front end and the rear end of the driven wheel 1502;

the inner side of the upper part of the back conveying mechanism 15 is positioned at the upper part of the feeding mechanism 16, the feeding mechanism 16 is of a funnel structure, and the width of the feeding mechanism 16 is larger than that of the back conveying mechanism 15; the bottom of the feeding mechanism 16 is connected with a feeding mechanism 17, the height of the feeding mechanism 17 is not more than 2cm, and kidney beans are conveyed to the upper layer spiral plate 6 through a conveying belt.

The method for realizing intelligent multistage kidney bean screening by adopting the system comprises the following steps:

s1, feeding the granulated kidney beans into the feeding mechanism 17 through the feeding mechanism 16, wherein the feeding mechanism 17 can spread the kidney beans fed from the feeding mechanism 16 into a layer due to the limited height, and feed the kidney beans into the upper layer spiral plate 6 to avoid stacking the kidney beans by one feeding amount;

s2, installing a plurality of screening plates 601 on the upper spiral plate 6 as required, respectively screening kidney beans according to the screening plates 601 with different sizes under the rolling of gravity or the driving vibration of a vibration mechanism 12, enabling the screened kidney beans to fall into the lower spiral plate 7 or an inflatable plate 18, then fall into the lower spiral plate 7, finally be discharged through one or more branch outlets 8, and then enter corresponding storage areas; the large-size kidney beans which are not sieved are conveyed to a main outlet 9 through the upper layer spiral plate 6 and are conveyed to a corresponding storage area through the main outlet 9;

s3, when a large number of kidney beans with small sizes still exist in the finally delivered kidney beans, the kidney beans are screened out through the weighing sieve 11 and fall to the weighing mechanism 10, after the weight of the kidney beans in unit time exceeds a certain degree, the kidney beans are returned to the returning mechanism 15 by rotating the reversing mechanism 14, and then the kidney beans are returned to the feeding mechanism 16 through the rotation of the returning mechanism 15 to be subjected to the screening process again;

the holes of the weighing screen 11 are the same size as the screening holes 60121 of the screening plate 601 on the upper spiral plate 6 closest to the lower end;

to a certain extent, as described in step S3, according to the design, a parameter meeting the requirement may be selected, for example, if the error rate is 5%, the weighed weight reaches 5% of the input amount of the feeding mechanism 16, and then the reversing mechanism 14 and the returning system must be started to return all the kidney beans to the feeding mechanism 16, and since the width of the feeding mechanism 16 is greater than that of the returning mechanism, the normal feeding operation is not hindered;

s4, when the kidney beans in the lower spiral plate 7 are not discharged completely, the transverse pulley 19032 is opened to drive the cleaning plate 19 to scrape the kidney beans in the lower spiral plate 7 to move downwards so as to be discharged, and when the kidney beans need to pass through the lower baffle 21, the corresponding lower baffle 21 is rotated to a position where the kidney beans do not prevent the cleaning plate 19 from passing through;

when the cleaning plate 19 needs to clean the lower part and the side surface of the screening plate 601 of the upper spiral plate 6 to reduce the breeding of microorganisms in the cleaning plate, the cleaning plate 19 is conveyed to the track on the upper side and then cleaned by a brush;

s5, when part of kidney beans are clamped in the screening plate 601 to influence the subsequent kidney beans to move, when the kidney beans cannot be taken out through vibration, the inflation and deflation pipe 1802 is opened to communicate with the interior of the inflatable plate 18, the air pressure in the inflatable plate 18 is instantly restored to a normal state, the compressed spring 1804 is restored and drives the cleaning working plate 1803 to impact the screening plate 601, the kidney beans clamped in the screening plate 601 are pushed out due to certain flexibility of the screening plate 601, the process is stable, the kidney beans cannot be damaged due to impact of the rigid cleaning working plate 1803, then the air suction mechanism 13 is started to suck air for the inflatable plate 18, the kidney beans are restored to a position state before working, the spring 1804 is compressed, and the kidney beans are waited for the next working;

when the inflatable plate II 18 ' is adopted to work, the principle is similar, and the difference is that the spring II 1804 ' is in the stretching state initially, the air bag 1806 ' is internally provided with high pressure, and after the pressure is relieved, the spring II 1804 ' is pulled back to drive the cleaning working plate II 1803 ' to impact the screening plate 601.

Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. The kidney bean intelligent sorting system is characterized by comprising a screening machine shell (1), wherein a main shaft (2) is arranged at the central position inside the screening machine shell (1), a spiral separating mechanism (4) is arranged on the main shaft (2), the spiral separating mechanism (4) starts from the upper part of the screening machine shell (1), rotates around the main shaft (2) from top to bottom and reaches the bottom of the screening machine shell (1), a feeding mechanism (16) and a feeding mechanism (17) are arranged at an upper inlet of the spiral separating mechanism (4), a main outlet (9) is arranged at a lower outlet of the spiral separating mechanism (4), at least one branch outlet (8) is arranged in the middle of the spiral separating mechanism (4), a reversing mechanism (14) is arranged at the tail end of the main outlet (9), a returning mechanism (15) is arranged on the other side of the reversing mechanism (14), and the returning mechanism (15) is of an annular conveying structure, feeding the material entering the interior back to the feeding mechanism (16);

a guide cylinder (3) is arranged at the axis of the inner side of the top of the screening machine shell (1), the upper end of the main shaft (2) is sleeved in the guide cylinder (3), and the lower end of the main shaft (2) penetrates through the bottom of the screening machine shell (1) and is connected with a vibration mechanism;

and a temperature control device (20) is arranged on the side surface of the guide cylinder (3) and is used for adjusting the temperature and humidity inside the screening machine shell (1).

2. The kidney bean intelligent sorting system according to claim 1, wherein the screening machine shell (1) is of a cylindrical structure and is in clearance fit with the spiral separation mechanism (4); the spiral separation mechanism (4) comprises an upper layer and a lower layer which are respectively used as an upper spiral plate (6) and a lower spiral plate (7), the upper spiral plate (6) and the lower spiral plate (7) are arranged in parallel, the inner sides of the upper spiral plate and the lower spiral plate are connected and fixed in the main shaft (2), a vertical outer baffle (5) is arranged between the outer sides of the upper spiral plate (6) and the lower spiral plate (7), the bottom of the outer baffle (5) is flush with the lower spiral plate (7), and the height of the top of the outer baffle (5) exceeds that of the upper spiral plate (6) by at least 3 cm;

a plurality of openings are formed in the upper spiral plate (6), a screening plate (601) is installed on the openings, and a plurality of screen holes are formed in the screening plate (601) and used for screening kidney beans;

the distance between the lower layer spiral plate (7) and the upper layer spiral plate (6) is not less than 6cm, and the feeding mechanism (17), the branch outlet (8) and the main outlet (9) are all arranged in the same direction;

a screening baffle (6014) is arranged on the partial screening plate (601); the kidney bean harvester is characterized in that an opening is formed in the partial position of the lower-layer spiral plate (7), a branch outlet (8) is formed in the side face of the opening of the lower-layer spiral plate (7), the inlet end of the branch outlet (8) is connected to the lower portion of the lower-layer spiral plate (7), a lower-layer baffle (21) is arranged below the opening of the lower-layer spiral plate (7) and used for limiting kidney beans coming from the upper portion of the lower-layer baffle (21) to be blocked and sent into the branch outlet (8).

3. The kidney bean intelligent sorting system according to claim 2, wherein a cleaning plate (19) is arranged between the upper spiral plate (6) and the lower spiral plate (7), two sides of the cleaning plate (19) are arranged on the main shaft (2) and the outer baffle plate (5), rails are arranged on the main shaft (2) and the outer baffle plate (5), and the rails face the cleaning plate (19); the track is divided into an upper layer and a lower layer, the track on the main shaft is used as a main shaft transverse groove (201), the track of the outer baffle (5) is used as a baffle transverse groove (502), the baffle transverse groove (502) of the outer baffle (5) comprises an upper moving groove (5022) and a lower moving groove (5021) which are parallel to each other, a baffle longitudinal groove (503) is arranged between the upper moving groove (5022) and the lower moving groove (5021), the baffle longitudinal groove (503) is perpendicular to the upper moving groove (5022) and the lower moving groove (5021), a driven pulley (504) which is fully paved is arranged at the lower side of the baffle transverse groove (502), a cleaning moving block (5023) with a groove body in the middle is arranged on the driven pulley (504), the horizontal plane of the cleaning moving block (5023) is in a concave shape, the cleaning moving block (5023) is driven by the driven pulley (504) to move in the baffle transverse groove (502), the side face of the cleaning plate (19) is provided with a side face, the groove body of the cleaning moving block (5023) is matched with the side fixing block, and the cleaning moving block (5023) is driven to move integrally by driving the side fixing block to move; the same moving block is arranged in the transverse groove (201) of the main shaft, and the speed of the transverse groove is lower than that of the cleaning moving block (5023) so as to ensure that the cleaning plate (19) can move up and down spirally.

4. The kidney bean intelligent sorting system according to claim 3, wherein the cleaning plate (19) comprises a main push plate (1902), the main push plate (1902) is a hard plate, a flexible brush (1901) is arranged at the upper end of the main push plate (1902), a cleaning plate pulley mechanism (1903) is arranged on the side surface of the main push plate (1902), the cleaning plate pulley mechanism (1903) comprises a longitudinal pulley (19031) and a transverse pulley (19032), and a telescopic mechanism is arranged on the base of the cleaning plate pulley mechanism (1903) and can control the contact relationship between the main shaft transverse groove (201) and the baffle transverse groove (502);

the longitudinal pulley (19031) is used for driving the cleaning plate (19) to move along the main shaft longitudinal groove (202) and the baffle longitudinal groove (503), and the transverse pulley (19032) is used for driving the cleaning plate (19) to move along the main shaft transverse groove (201) and the baffle transverse groove (502); when the cleaning plate pulley mechanism (1903) of the cleaning plate (19) is positioned in the upper moving groove (5022), the brush of the cleaning plate (19) contacts the lower side of the upper layer spiral plate (6) and keeps bending under the blocking of the upper layer spiral plate (6); when the cleaning plate pulley mechanism (1903) of the cleaning plate (19) is positioned in the lower moving groove (5021), the bottom of the main push plate (1902) of the cleaning plate (19) is close to the upper side of the lower spiral plate (7) at the moment, a gap of 0.5-2 mm is kept, and the brush (1901) is kept vertical at the moment;

the middle part of the lower baffle (21) is provided with a baffle rotating shaft (211), two ends of the baffle rotating shaft (211) are fixed between the main shaft (2) and the outer baffle (5), and the baffle rotating shaft (211) can be driven to rotate by a driving mechanism, so that the inclination of the lower baffle (21) can be adjusted by adjusting the angle of the baffle rotating shaft (211); when baffle pivot (211) were adjusted lower floor's baffle and are vertical state, the realization was to whole upper spiral plate (6) and lower floor's spiral plate (7) between the closure separation, when it was the tilt state, can reach and keep parallel between upper spiral plate (6) and lower floor's spiral plate (7).

5. The kidney bean intelligent sorting system according to claim 4, wherein the screening plate (601) installed in the opening of the upper spiral plate (6) comprises an upper screening plate (6011), a bottom screening plate (6013) and a screening layer (6012), the screening layer (6012) is fixed in the bottom screening plate (6013) and the upper screening plate (6011), a plurality of screening positioning holes (60131) are formed in the upper side of the bottom screening plate (6013), a plurality of screening positioning cones (60112) corresponding to the screening positioning holes (60131) are arranged on the lower side of the upper screening plate (6011), and the screening positioning holes (60131) and the screening positioning cones (60112) are in interference fit; a plurality of screening holes (60121) are formed in the screening layer (6012), screening layer small holes (60122) are formed in the periphery of the screening layer (6012), a screening positioning cone (60112) penetrates through the screening layer small holes (60122), and the screening layer (6012) is fixed between the screening upper plate (6011) and the screening bottom plate (6013);

the screening layer (6012) is provided with a plurality of models, each model corresponds to different sizes of the screening holes (60121), the screening layer (6012) with a required model can be placed between the screening upper plate (6011) and the screening bottom plate (6013) according to needs, and different screening layers (6012) can be arranged on each spiral surface of the upper spiral plate (6) from top to bottom in order to ensure that kidney beans from small to large are screened;

the screening layer (6012) is a flexible plastic plate, and hard plastic rings are arranged at the hole edges of the screening holes (60121); a plurality of metal rods are arranged on the screening bottom plate (6013) and used as screening support rods (60132) for supporting the flexible screening layer (6012) in an auxiliary mode; one side of the screening upper plate (6011) is provided with a section of groove which is used as a baffle mounting groove (60111) and used for mounting and fixing a screening baffle (6014).

6. The kidney bean intelligent sorting system according to claim 5, wherein an air charging and discharging pipe (1802) is arranged in the main shaft (2), the lower end of the air charging and discharging pipe (1802) is connected to an air pumping mechanism arranged beside the vibrating mechanism (12), and an air charging plate (18) or an air charging plate II (18') is arranged on the side surface of the main shaft (2) corresponding to the position of the screening plate (601).

7. The intelligent kidney bean sorting system according to claim 6, wherein the air charging plate (18) comprises a mounting frame (1801) connected to the spindle (2), a cleaning mounting plate (1805) is connected to the side of the mounting frame (1801), a plurality of springs (1804) are arranged in the cleaning mounting plate (1805), a cleaning working plate (1803) is arranged at the other end of each spring (1804), and sealing cloth is connected to the peripheries of the cleaning working plate (1803) and the cleaning mounting plate (1805); under the non-use state, the interior of the air inflation plate (18) is in a negative pressure state, the spring (1804) is compressed, when the air inflation and deflation pipe (1802) is communicated with the outside, the air pressure is recovered, and the spring (1804) pops up and drives the cleaning working plate (1803) to push to the bottom of the screening plate (601).

8. The intelligent kidney bean sorting system according to claim 6, wherein the second inflatable plate (18 ') comprises a second mounting frame (1801') connected to the lower part of the upper spiral plate (6), an air bag (1806 ') is arranged on the second mounting frame (1801') in an upward and downward direction, a second spring (1804 ') is arranged in the air bag, the second spring (1804') and the air bag (1806 ') are connected to the second cleaning working plate (1803'), an air passage (1805 ') is arranged in the second cleaning working plate (1803'), and the air bag (1806 ') close to the main shaft (2) is connected to a second inflation/deflation pipe (1802');

and a baffle side door (501) is arranged on the outer baffle (5) corresponding to the inflatable plate (18).

9. The kidney bean intelligent sorting system according to claim 7 or 8, wherein the main outlet (9) is inclined downwards and has a rectangular cross section, a weighing sieve (11) is arranged at the bottom of the main outlet (9), and a weighing mechanism (10) is arranged below the weighing sieve (11); be equipped with a reversing mechanism (14) in the bottommost of main export (9), reversing mechanism (14) are the plate body of bottom connection hinge, and when its plate body leaned on main export (9) upside, main export (9) UNICOM, when its plate body leaned on main export (9) downside, main export (9) were closed to the UNICOM arrives and sets up in the outside mechanism (15) that loops back of main export (9).

10. The kidney bean intelligent sorting system according to claim 9, wherein the back conveying mechanism (15) comprises two driving wheels (1501), a driven wheel (1502) is arranged between the two driving wheels (1501), a plurality of material containing bins (1503) are arranged on the inner side of the driven wheel (1502), and two rings are arranged at the front end and the rear end of the driven wheel (1502) as bin side plates (1504);

the inner side of the upper part of the back conveying mechanism (15) is positioned at the upper part of the feeding mechanism (16), the feeding mechanism (16) is of a funnel structure, and the width of the feeding mechanism (16) is larger than that of the back conveying mechanism (15); the kidney beans are conveyed to the upper-layer spiral plate (6) through a conveying belt arranged in the feeding mechanism (17), wherein the bottom of the feeding mechanism (16) is connected with the feeding mechanism (17), the height of the feeding mechanism (17) is not more than 2 cm.

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