CN116764957B

CN116764957B - Multiple screening machine of cereal stoving

Info

Publication number: CN116764957B
Application number: CN202311054873.6A
Authority: CN
Inventors: 李安民
Original assignee: Huaian Xinwang Cheerful Agriculture Machinery Corp
Current assignee: Huaian Xinwang Cheerful Agriculture Machinery Corp
Priority date: 2023-08-22
Filing date: 2023-08-22
Publication date: 2024-01-12
Anticipated expiration: 2043-08-22
Also published as: CN116764957A

Abstract

The invention discloses a grain drying and multiple screening machine, which belongs to the technical field of grain screening, and comprises a pair of fixing seats, wherein a shell is rotatably connected between the pair of fixing seats, the lower end of the shell is fixedly connected with a plurality of blanking hoppers, one end of the shell is fixedly connected with a tilting mechanism, the upper surface of one end of the shell, which is close to the tilting mechanism, is fixedly connected with a drying box, one end of the shell, which is far away from the drying box, is fixedly connected with a primary screening box, one end of the shell, which is close to the tilting mechanism, is fixedly connected with a speed changer, and a second motor is arranged on the speed changer. According to the invention, the movable baffle mechanism is arranged in the shell, the arc baffle is closed during drying operation, grains are prevented from falling through the sieve holes, and the arc baffle is opened during sieving, so that the grains can conveniently fall through the sieve holes, and meanwhile, the inclined direction of the shell is controlled through the first hydraulic rod, so that the inclined direction of the roller is controlled, and the grains can conveniently move in the roller.

Description

Multiple screening machine of cereal stoving

Technical Field

The invention belongs to the technical field of grain screening, and particularly relates to a grain drying multiple screening machine.

Background

The grain is one of main grain sources of human beings, because the grain contains certain moisture, the moisture is too high when the grain is stored, the grain is easy to mildew, spoil or generate pests, and the wet grain is easy to germinate, mildew and peculiar smell, so that the quality and taste of the grain are reduced, and further, the wet grain is easy to agglomerate, heat and mildew in the storage and transportation process, so that the moisture in the grain is required to be removed through drying, the breeding of bacteria and mold is reduced, the fresh-keeping period of the grain is prolonged, the grain is convenient to store and transport, and the existing drying is usually transferred to the grain through hot air, so that the grain loses moisture.

Meanwhile, the grains are required to be screened after being harvested, and different types of impurities, such as stones, branches, stubbles and the like, are easy to mix in during the harvesting and transportation of the grains. These impurities have an impact on the quality of the cereal and on the edible safety. Furthermore, grains exist in different sizes of particles, and different particle sizes may have different uses and needs during use and processing. Through screening, can carry out the grading with cereal according to the granularity, separate big granule and granule to satisfy the demand of different trades, through screening, can separate these impurity from cereal effectively, improve the purity and the quality of cereal.

The existing grains are required to be dried and then screened, and the operations of drying and screening are required to be carried out through two different machines respectively, so that enterprises need to purchase different machines in the production process, and the production cost is high.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide equipment capable of drying grains and screening the grains.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a multiple screening machine of cereal stoving, includes a pair of fixing base, a pair of rotation is connected with the shell between the fixing base, the lower extreme fixedly connected with of shell is a plurality of blanking hoppers, the one end fixedly connected with tilting mechanism of shell, the one end upper surface fixedly connected with stoving case that the shell is close to tilting mechanism, the one end fixedly connected with of stoving case is kept away from to the shell just sieves the case, the one end fixedly connected with derailleur that the shell is close to tilting mechanism, be provided with the second motor on the derailleur, the shell swivelling joint has the cylinder, the inside upper end fixedly connected with cleaning mechanism of shell, the lower extreme fixedly connected with removes baffle mechanism in the shell;

the shell comprises a frame, a pair of fixing seats are rotatably connected with the frame, two ends of the frame are fixedly connected with fixing plates, the periphery of the frame is fixedly connected with side plates, and a supporting seat is fixedly connected to the fixing plates close to one end of the primary screening box;

the movable baffle mechanism comprises a guide rail, the inner side of the fixed plate is provided with the guide rail, the two sides of the inner lower end of the frame are rotationally connected with a plurality of second hydraulic rods, one end, far away from the frame, of each second hydraulic rod is rotationally connected with an arc baffle, the two ends of each arc baffle are fixedly connected with a plurality of fixed shafts, a plurality of fixed shafts are rotationally connected with idler wheels, the idler wheels are in sliding fit with the guide rail, and the inner side of each arc baffle is provided with a groove;

the cleaning mechanism comprises hanging brackets, wherein the upper end of the rack is fixedly connected with a plurality of hanging brackets, a rotating shaft is connected to the hanging brackets in a penetrating manner, a large gear is fixedly connected to the outside of the roller, a small gear is fixedly connected to the rotating shaft in a penetrating manner, the large gear and the small gear are engaged with each other, a plurality of brush barrels are fixedly connected to the rotating shaft, a plurality of hard bristles are fixedly connected to the outside of the brush barrels, and the large gear is in sliding fit with the groove.

Through above-mentioned technical scheme, the second motor passes through the derailleur and drives the cylinder rotation, can dry the cereal in the cylinder through the stoving case provides hot-blast, it rotates to drive the gear wheel through the cylinder rotation, the gear wheel drives the pinion and rotates, the pinion drives the pivot and rotates, the pivot drives the brush section of thick bamboo and rotates, hard brush hair on the brush section of thick bamboo can extrude the cereal of jam in the sieve mesh, avoid cereal jam sieve mesh, influence screening effect, and when drying, it folds the sieve mesh below the cylinder to fold to the downside through removing baffle mechanism, it is stopped up the sieve mesh below the cylinder, avoid cereal to drop through the sieve mesh, thereby can carry out abundant stoving in the cylinder, and when needs sieve, then open the baffle, make cereal drop through the sieve mesh, thereby make single machine can dry and sieve two kinds of operations, can reduce enterprise purchase cost by a wide margin.

Further, the primary screening box comprises a first shell, the upper surface fixedly connected with of frame is first casing, the lower extreme fixedly connected with unloading pipeline of first casing, unloading pipeline runs through fixedly connected fixed plate, the supporting seat runs through fixedly connected unloading pipeline, the upper surface fixedly connected with feeder hopper of first casing, one side fixedly connected with row's material pipeline of feeder hopper, the lower surface fixedly connected with air supply box of first casing.

Through above-mentioned technical scheme, can make cereal get into the primary screening case through the feeder hopper to carry out preliminary screening.

Further, the lower surface fixedly connected with first grid of air feed case, fixedly connected with a plurality of first fans in the air feed case, the position fixedly connected with a pair of filter screen that the first casing is close to first fan, the position fixedly connected with inclined baffle that is close to the feeder hopper in the first casing, the position fixedly connected with arc guide board that the first casing is close to inclined baffle.

Through above-mentioned technical scheme, can guide cereal from filter screen top downward landing through the inclined baffle, this moment first fan blows the air to the filter screen, filters through the filter screen that is close to first fan one side, and keeps away from the filter screen of first fan one side and prevent that cereal from spilling through the filter screen when ventilative, and the air that filter screen department blown out can take away lighter impurity in the cereal to in the guide along arc guide board gets into the collecting vat, collect.

Further, the one end fixedly connected with collecting vat of keeping away from the feeder hopper in the first casing, the one end outside fixedly connected with first motor that the first casing is close to the collecting vat, the output fixedly connected with feeding screw of first motor, feeding screw is located the inner bottom of collecting vat, the row material pipeline is located the one end that feeding screw kept away from first motor.

Through above-mentioned technical scheme, send into the collecting vat with lighter impurity in the cereal and collect, later under the drive of first motor, through pay-off screw extrusion pay-off, discharge impurity through row material pipeline to accomplish the preliminary screening to cereal, ensure that lighter impurity is gone out by the screening in the cereal.

Further, the stoving case includes the dead lever, the last fixed surface of frame is connected with a plurality of dead levers, the one end fixedly connected with second casing of frame is kept away from to the dead lever, the upper end fixedly connected with filter of second casing, the second grid of second casing inner bottom fixedly connected with, the last fixed surface of second grid is connected with the heating wire, a plurality of mounts of upper end fixedly connected with in the second casing, a plurality of equal fixedly connected with second fan on the mount, the lower fixed surface of second casing is connected with the blast pipe, the one end fixedly connected with rotation joint of second casing is kept away from to the blast pipe, rotation joint rotates with the cylinder and is connected.

Through above-mentioned technical scheme, can drive the air through the second fan and flow, make the air filter earlier by the filter, ensure afterwards that the air with cereal contact is comparatively clean, simultaneously through heating wire heating air, make the air can take away the moisture in the cereal, ensure that cereal keeps dry, avoid getting damp moldy, caking, sprouting, and through the use of rotating the joint, can make the cylinder still can let in hot air in the cylinder when rotatory.

Further, the tilting mechanism is including setting up the base on ground, it is connected with first hydraulic stem to rotate on the base, the one end that the base was kept away from to first hydraulic stem rotates and is connected with the rotation seat, rotation seat and shell fixed connection.

Through above-mentioned technical scheme, can control shell inclination to the inclination of control cylinder, and the inclination of cylinder can influence the direction of movement of cereal, thereby makes cereal and hot air heddle when the stoving, improves drying efficiency, accomplishes after the stoving, can make cereal return the original place, sieves, improves screening efficiency.

Further, the cylinder includes the main shaft, rotate on the supporting seat and be connected with the main shaft, the one end that the supporting seat was kept away from to the main shaft rotates with the fixed plate to be connected, fixedly connected with a plurality of bracing pieces on the main shaft, a plurality of equal fixedly connected with solid fixed ring outward of bracing piece, fixedly connected with a plurality of braced skeletons between the fixed ring, the both ends of cylinder all are provided with fixed cover, fixed cover and solid fixed ring fixed connection.

Through above-mentioned technical scheme, can make cereal dry in the cylinder and the operation of screening, support solid fixed ring through the supporting seat, fix braced skeleton through solid fixed ring, fix the section of thick bamboo wall through braced skeleton, improved holistic structural strength greatly, ensure that the cylinder can not warp at rotatory in-process.

Further, support skeleton external fixation has a section of thick bamboo wall, offered a plurality of sieve meshes on the section of thick bamboo wall, a plurality of lifting blades of fixedly connected with in the section of thick bamboo wall, a plurality of the lifting blade is "V" font setting, the main shaft runs through the fixed plate and with derailleur fixed connection.

Through above-mentioned technical scheme, can set up different diameter sieve meshes on the section of can be through the section of thick bamboo wall of different to carry out multiple screening, can distinguish the cereal of equidimension not, the "V" font setting of lifting blade simultaneously, when rotatory, can hold cereal pocket, cereal falls down at the effect of neutrality when rotatory to the highest point, thereby when drying, make cereal and hot air fully contact, improve drying efficiency, and can avoid large granule to pile up in the lower part and lead to unable sieve mesh to fall down at the lower part when screening, make screening effect better.

The beneficial effects of the invention are as follows: (1) According to the invention, the movable baffle mechanism is arranged in the shell, the tilting mechanism is arranged at one end of the shell, the roller is driven to tilt towards the direction of the drying box by shortening through the first hydraulic rod, the arc baffle is driven to move to the lower part of the roller by the second hydraulic rod to fold up sieve holes below the cylinder wall, at the moment, the second fan in the drying box blows air heated by the electric heating wire into the roller along the blast pipe to dry grains in the roller, the second motor drives the main shaft to rotate through the speed changer, the main shaft drives the roller to rotate, and the grains are thrown into the air through the lifting plate on the roller, so that the drying efficiency is improved; (2) According to the invention, the primary screening box is arranged on the shell, after grains enter the feed hopper, the grains are blown by the first fan, the impurities with lighter weight in the grains are blown into the collecting tank along the arc-shaped guide plate, then the first motor drives the feeding screw to rotate, the impurities in the collecting tank are pushed into the discharging pipeline to be discharged, the grains are primarily screened, then the grains fall into the roller through the discharging pipeline, at the moment, the arc-shaped baffle is folded, the grains in the roller are dried by the drying box, the first hydraulic rod is stretched after the drying is finished, the roller is inclined towards the primary screening box, the grains are returned to the feeding end of the roller again, at the moment, the arc-shaped baffle is driven to move upwards by the second hydraulic rod, the arc-shaped baffle is opened, then the first hydraulic rod is shortened, the roller is inclined towards the drying box again, at the moment, the second motor drives the main shaft to rotate by the speed changer, and the screening is carried out through the screening holes with different sizes, and the grains with different granularity fall through the blanking hoppers with different positions, so that the grain screening and drying operation can be carried out simultaneously, the enterprises do not need to purchase different machines, and the production cost of the enterprises are greatly reduced; (3) According to the invention, the hanger is arranged on the frame, the rotating shaft is arranged on the hanger, the second motor drives the main shaft to rotate through the speed changer, when the main shaft drives the roller to rotate through the supporting rod, the roller drives the large gear to rotate, the large gear drives the small gear to rotate, and the small gear drives the rotating shaft to rotate, so that the rotating shaft drives the hairbrush barrel to rotate, and hard bristles on the hairbrush barrel eject grains clamped in the sieve holes, so that the roller can be cleaned well, the blocking of the roller is avoided, and the sieving effect is influenced.

Drawings

FIG. 1 is an overall block diagram of a multiple grain drying sizer of the present invention;

FIG. 2 is a perspective view of a multiple grain drying sizer of the present invention;

FIG. 3 is a top view of a multiple grain drying sizer of the present invention;

FIG. 4 is a view showing the construction of the inside of a primary screening box of a grain drying multiple screening machine according to the present invention;

FIG. 5 is a diagram showing the construction of the interior of a drying box of a multiple screening machine for drying grains according to the present invention;

FIG. 6 is a cross-sectional view of a primary screen box of a multiple grain drying screen of the present invention;

FIG. 7 is an overall cross-sectional view of a multiple grain drying sizer of the present invention;

FIG. 8 is a block diagram of a cleaning mechanism for a multiple grain drying sizer in accordance with the present invention;

FIG. 9 is a perspective view of a drum of a multiple grain drying sizer of the present invention;

FIG. 10 is a view showing a structure of a brush pot of a grain drying and multiple screening machine according to the present invention;

FIG. 11 is an internal perspective view of a multiple grain drying sizer of the present invention;

FIG. 12 is a view showing the construction of a movable barrier of a multiple screening machine for drying grain in accordance with the present invention;

fig. 13 is an enlarged view of a portion of a mobile screen of a multiple grain drying sizer of the present invention.

Reference numerals: 1. a fixing seat; 2. a housing; 21. a frame; 22. a side plate; 23. a fixing plate; 24. a support base; 3. a blanking hopper; 4. a primary screening box; 41. a first housing; 42. a blanking pipeline; 43. a blow box; 44. a first grid; 45. a first motor; 46. a feed hopper; 47. a bevel baffle; 48. a filter screen; 49. a first fan; 410. an arc-shaped guide plate; 411. a collection tank; 412. a feed screw; 413. a discharge pipe; 5. a drying box; 51. a fixed rod; 52. a second housing; 53. a filter plate; 54. a second grid; 55. heating wires; 56. a fixing frame; 57. a second fan; 58. an air supply pipe; 59. a rotary joint; 6. a tilting mechanism; 61. a base; 62. a first hydraulic lever; 63. a rotating seat; 7. a roller; 71. a main shaft; 72. a support rod; 73. a fixing ring; 74. a support skeleton; 75. a cylinder wall; 76. a sieve pore; 77. a fixed cover; 78. a lifting plate; 8. a cleaning mechanism; 81. a hanging bracket; 82. a rotating shaft; 83. a brush cylinder; 84. a large gear; 85. a pinion gear; 86. hard bristles; 9. a moving baffle mechanism; 91. a guide rail; 92. an arc baffle; 93. a fixed shaft; 94. a roller; 95. a second hydraulic lever; 96. a groove; 10. a second motor; 11. a transmission.

Detailed Description

The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.

As shown in fig. 1, fig. 2, fig. 3 and fig. 8, a grain drying multiple screening machine of this embodiment includes a pair of fixing bases 1, rotate between a pair of fixing bases 1 and be connected with shell 2, the lower extreme fixedly connected with of shell 2 a plurality of blanking hoppers 3, the one end fixedly connected with tilting mechanism 6 of shell 2, the one end upper surface fixedly connected with stoving case 5 that is close to tilting mechanism 6 of shell 2, the one end fixedly connected with primary screening case 4 that is kept away from stoving case 5 of shell 2, the one end fixedly connected with derailleur 11 that is close to tilting mechanism 6 of shell 2, be provided with second motor 10 on the derailleur 11, the shell 2 internal portion upper end fixedly connected with cleaning mechanism 8, the lower extreme fixedly connected with of shell 2 removes baffle mechanism 9, second motor 10 increases the moment through the speed reduction of derailleur 11, thereby can drive the drum 7 and rotate, fixing base 1 supports shell 2, can make shell 2 rotate along fixing bases 1 simultaneously, thereby change the incline direction of shell 2.

As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 6, the shell 2 includes the frame 21, rotate between a pair of fixing bases 1 and be connected with the frame 21, the equal fixedly connected with fixed plate 23 in both ends of frame 21, all fixedly connected with curb plate 22 around frame 21, fixedly connected with supporting seat 24 on the fixed plate 23 near one end of the primary screen case 4, the primary screen case 4 includes first casing 41, the upper surface fixedly connected with first casing 41 of frame 21, the lower extreme fixedly connected with unloading pipeline 42 of first casing 41, unloading pipeline 42 runs through fixedly connected with fixed plate 23, supporting seat 24 runs through fixedly connected with unloading pipeline 42, the upper surface fixedly connected with feeder hopper 46 of first casing 41, one side fixedly connected with discharge pipeline 413 of feeder hopper 46, the lower surface fixedly connected with air supply box 43 of first casing 41, frame 21 provides good support for other parts, and curb plate 22 can avoid rotatory cylinder 7 to hurt the people, can effectively protect workman's safety, cereal gets into primary screen case 4 through feeder hopper 46 and carries out preliminary screening.

The lower surface fixedly connected with first grid 44 of blow box 43, the fixed connection has a plurality of first fans 49 in the blow box 43, the fixed connection of position that first casing 41 is close to first fan 49 has a pair of filter screen 48, the fixed connection of position that is close to feeder hopper 46 has inclined baffle 47 in the first casing 41, the fixed connection of position that first casing 41 is close to inclined baffle 47 has arc guide board 410, first grid 44 can avoid first fan 49 to hurt the people, first fan 49 blows air into first screen box 41 through filter screen 48, filter screen 48 that is close to first fan 49 filters the air, the filter screen 48 that keeps away from first fan 49 can avoid cereal to spill when ventilating, thereby blow light impurity in the cereal upwards under the air blowing, and fall into collecting vat 411 under the guide of arc guide board 410.

One end fixedly connected with collecting vat 411 of keeping away from feeder hopper 46 in the first casing 41, the one end outside fixedly connected with first motor 45 that first casing 41 is close to collecting vat 411, the output fixedly connected with feeding screw 412 of first motor 45, feeding screw 412 is located the collecting vat 411 bottom, discharge pipeline 413 is located feeding screw 412 and keeps away from the one end of first motor 45, light impurity piles up in collecting vat 411, at this moment first motor 45 drives feeding screw 412 rotation, promote light impurity to discharge pipeline 413 discharge, make cereal pass through preliminary screening, get rid of light impurity such as dust, bran.

As shown in fig. 3, 5 and 7, the drying box 5 comprises a fixed rod 51, the upper surface of the frame 21 is fixedly connected with a plurality of fixed rods 51, one end of the fixed rod 51 away from the frame 21 is fixedly connected with a second shell 52, the upper end of the second shell 52 is fixedly connected with a filter plate 53, the inner bottom end of the second shell 52 is fixedly connected with a second grid 54, the upper surface of the second grid 54 is fixedly connected with an electric heating wire 55, the inner upper end of the second shell 52 is fixedly connected with a plurality of fixing frames 56, the fixing frames 56 are fixedly connected with a second fan 57, the lower surface of the second shell 52 is fixedly connected with an air supply pipe 58, one end of the air supply pipe 58 away from the second shell 52 is fixedly connected with a rotary joint 59, the rotary joint 59 is rotationally connected with the drum 7, air is filtered through the filter plate 53, the air contacted with grains is cleaner, the air is pushed through the second grid 54 with the electric heating wire 55 through the second fan 57, the air is heated, the air is favorably discharged when the air contacts the grains, the grains can enter the drum 7, and the hot air contacts the grains through the air supply pipe 58 and the rotary joint 59.

As shown in fig. 9, the roller 7 includes a main shaft 71, the main shaft 71 is rotatably connected to the supporting seat 24, one end of the main shaft 71 far away from the supporting seat 24 is rotatably connected with the fixing plate 23, a plurality of supporting rods 72 are fixedly connected to the main shaft 71, a plurality of fixing rings 73 are fixedly connected to the outside of the plurality of supporting rods 72, a plurality of supporting frameworks 74 are fixedly connected between the fixing rings 73, fixing covers 77 are arranged at two ends of the roller 7, the fixing covers 77 are fixedly connected with the fixing rings 73, the second motor 10 drives the main shaft 71 to rotate under the action of the transmission 11, the main shaft 71 drives the fixing rings 73 to rotate through the supporting rods 72, the fixing rings 73 drive the cylinder wall 75 to rotate through the supporting frameworks 74, and structural strength can be greatly improved through the use of the supporting rods 72 and the supporting frameworks 74, so that the roller 7 can bear more weight.

The support skeleton 74 external fixation has a section of thick bamboo wall 75, a plurality of sieve meshes 76 have been seted up on the section of thick bamboo wall 75, a plurality of lifting blades 78 of fixedly connected with in the section of thick bamboo wall 75, a plurality of lifting blades 78 are "V" font setting, main shaft 71 runs through fixed plate 23 and with derailleur 11 fixed connection, when the stoving, section of thick bamboo wall 75 rotates, drive lifting blades 78 rotatory, because the "V" font setting of lifting blades 78, can hold up cereal, and when rotatory to the top, make cereal fall down, thereby make the hot air can fully contact with cereal, take away the moisture in the cereal, and when the screening, can throw up cereal, avoid great cereal deposit in the below, hinder small-granularity cereal to fall through sieve mesh 76.

As shown in fig. 8, 10 and 11, the cleaning mechanism 8 includes a hanger 81, the upper end fixedly connected with a plurality of hangers 81 in the frame 21, the through rotation is connected with a pivot 82 on the hanger 81, the external fixedly connected with gear wheel 84 of cylinder 7, the through fixedly connected with pinion 85 on the pivot 82, gear wheel 84 and pinion 85 intermesh and cooperate, fixedly connected with a plurality of brush barrels 83 on the pivot 82, brush barrel 83 external fixedly connected with a plurality of hard brush hair 86, gear wheel 84 and recess 96 sliding fit each other, the cylinder 7 drives gear wheel 84 to rotate when rotating, gear wheel 84 drives pinion 85 to rotate, pinion 85 drives pivot 82 to rotate, pivot 82 drives brush barrel 83 to rotate, make brush barrel 83 can be in reverse motion relative to cylinder 7, thereby can make brush barrel 86 on brush barrel wall 75 clean sieve mesh 76 of brush barrel offer, make sieve mesh 76 can not be blocked by cereal, thereby avoid the sieve mesh 76 to block up and lead to influence screening effect, also can get rid of the spot on 76, avoid the size of sieve mesh too thick 76 to reduce sieve mesh size, influence screening precision.

As shown in fig. 11, fig. 12 and fig. 13, the movable baffle mechanism 9 includes the guide rail 91, the guide rail 91 has all been seted up to the fixed plate 23 inboard, lower extreme both sides all rotate in the frame 21 and be connected with a plurality of second hydraulic stems 95, the one end that frame 21 was kept away from to second hydraulic stem 95 all rotates and is connected with the arc baffle 92, the equal fixedly connected with a plurality of fixed axles 93 in both ends of arc baffle 92, all rotate on a plurality of fixed axles 93 and be connected with gyro wheel 94, the mutual sliding fit of gyro wheel 94 and guide rail 91, the recess 96 has all been seted up to the inboard of arc baffle 92, the relative position of arc baffle 92 outside cylinder 7 can be controlled in the extension through the second hydraulic stem 95 shortens, when arc baffle 92 folds at cylinder 7, cereal can not fall through sieve mesh 76, thereby can only remove in the cylinder, make cereal can contact with hot air for a long time, make cereal carry out abundant stoving, and when arc baffle 92 opens along both sides, cereal can fall through the sieve mesh of different sizes, the arc baffle 92 both ends all are provided with fixed axle 93 and gyro wheel 94, gyro wheel 94 is in guide rail 91, can provide for 92 and can provide the arc baffle 92 and can be moved in the recess with the guide 84 when the arc baffle is greatly disturbed.

The working principle of this embodiment is that the first hydraulic rod 62 is shortened, the shell 2 is inclined towards the direction of the drying box 5, at this time, grains are poured into the feed hopper 46, the grains slide down from above the filter screen 48 under the guidance of the inclined baffle 47, at this time, the first fan 49 blows air to the filter screen 48, lighter impurities in the grains are blown upward, the impurities fall into the collecting tank 411 under the guidance of the arc-shaped guide plate 410, then the first motor 45 drives the feed screw 412 to rotate, the impurities are discharged through the discharge pipeline 413, the grains passing through the primary screen enter the drum 7 along the discharge pipeline 42, at this time, the arc-shaped baffle 92 is in a closed state, the second motor 10 drives the main shaft 71 to rotate through the transmission 11, the main shaft 71 drives the drum wall 75 to rotate through the support rod 72, at this time, the large gear 84 on the drum 7 drives the small gear 85 to rotate, the small gear 85 drives the rotating shaft 82 to rotate, the rotating shaft 82 drives the brush cylinder 83 to rotate, hard bristles 86 on the brush cylinder 83 clean the cylinder wall 75, grains in the sieve holes 76 are ejected through the hard bristles 86 to avoid blocking of the sieve holes 76, the second fan 57 blows air filtered by the filter plate 53 to the heating wire 55 to heat, and the heated air is blown into the drum 7 through the air supply pipe 58 to dry the grains, at the moment, the lifting blades 78 in the drum 7 throws the grains into the air, drying efficiency is improved, drying effect is better, after drying is finished, the first hydraulic rod 62 is extended, the shell 2 is inclined towards the primary screening box 4, the grains return to the blanking pipeline 42, the second hydraulic rod 95 is extended, the arc-shaped baffle 92 is lifted towards two sides along the guide rail 91, the arc-shaped baffle 92 is opened, the first hydraulic rod 62 is shortened, the shell 2 is inclined towards the drying box 5, the second motor 10 drives the main shaft 71 to rotate through the speed changer 11, the main shaft 71 drives the cylinder wall 75 to rotate through the supporting rod 72, and grains with different granularity fall down through different blanking hoppers 3 under the action of the sieve holes 76 which are gradually enlarged on the cylinder wall 75, so that the drying and multiple screening of the grains are completed.

The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention.

Claims

1. The utility model provides a multiple screening machine of cereal stoving, includes a pair of fixing base (1), its characterized in that: a pair of rotation is connected with shell (2) between fixing base (1), the lower extreme fixedly connected with of shell (2) is a plurality of blanking hoppers (3), the one end fixedly connected with tilting mechanism (6) of shell (2), the one end upper surface fixedly connected with stoving case (5) that is close to tilting mechanism (6) of shell (2), the one end fixedly connected with primary screen case (4) that stoving case (5) were kept away from to shell (2), the one end fixedly connected with derailleur (11) that tilting mechanism (6) was kept away from to shell (2), be provided with second motor (10) on derailleur (11), the internal upper end fixedly connected with cleaning mechanism (8) of shell (2), the lower extreme fixedly connected with removes baffle mechanism (9) in shell (2);

the shell (2) comprises a frame (21), the frame (21) is rotationally connected between the pair of fixed seats (1), two ends of the frame (21) are fixedly connected with fixing plates (23), side plates (22) are fixedly connected to the periphery of the frame (21), and a supporting seat (24) is fixedly connected to the fixing plates (23) close to one end of the primary screening box (4);

the movable baffle mechanism (9) comprises a guide rail (91), the guide rail (91) is arranged on the inner side of the fixed plate (23), a plurality of second hydraulic rods (95) are rotatably connected to the two sides of the inner lower end of the frame (21), one ends of the second hydraulic rods (95) far away from the frame (21) are rotatably connected with a plurality of fixed shafts (93) which are fixedly connected with the two ends of the arc baffles (92), a plurality of idler wheels (94) are rotatably connected to the fixed shafts (93), the idler wheels (94) are in sliding fit with the guide rail (91), grooves (96) are formed in the inner side of the arc baffles (92), the relative positions of the arc baffles (92) on the roller (7) can be controlled through the extension and shortening of the second hydraulic rods (95), when the arc baffles (92) are folded at the lowest part of the roller (7), grains can not fall down, and can only move in the roller (7) to enable the grains to be contacted with hot air for a long time, so that adequate drying can be carried out, and when the arc baffles (92) are opened along the two sides, the grains can fall down.

The cleaning mechanism (8) comprises a hanging frame (81), a plurality of hanging frames (81) are fixedly connected to the upper end in the frame (21), a rotating shaft (82) is connected to the hanging frames (81) in a penetrating and rotating mode, a large gear (84) is fixedly connected to the outside of the roller (7), a small gear (85) is fixedly connected to the rotating shaft (82) in a penetrating mode, the large gear (84) and the small gear (85) are meshed with each other, a plurality of brush barrels (83) are fixedly connected to the rotating shaft (82), a plurality of hard brush hairs (86) are fixedly connected to the outside of the brush barrels (83), and the large gear (84) and the groove (96) are in sliding fit with each other.

2. The grain drying and multiple screening machine according to claim 1, wherein the primary screening box (4) comprises a first shell (41), the upper surface of the frame (21) is fixedly connected with the first shell (41), the lower end of the first shell (41) is fixedly connected with a blanking pipeline (42), the blanking pipeline (42) penetrates through the fixedly connected fixing plate (23), the supporting seat (24) penetrates through the fixedly connected blanking pipeline (42), the upper surface of the first shell (41) is fixedly connected with a feed hopper (46), one side of the feed hopper (46) is fixedly connected with a discharging pipeline (413), and the lower surface of the first shell (41) is fixedly connected with an air supply box (43).

3. The grain drying and multiple screening machine according to claim 2, wherein a first grid (44) is fixedly connected to the lower surface of the air supply box (43), a plurality of first fans (49) are fixedly connected to the air supply box (43), a pair of filter screens (48) are fixedly connected to the positions, close to the first fans (49), of the first shell (41), inclined baffles (47) are fixedly connected to the positions, close to the feed hopper (46), of the first shell (41), and arc-shaped guide plates (410) are fixedly connected to the positions, close to the inclined baffles (47), of the first shell (41).

4. The grain drying and multiple screening machine according to claim 2, wherein one end, away from the feed hopper (46), of the first housing (41) is fixedly connected with a collecting tank (411), one end outer side, close to the collecting tank (411), of the first housing (41) is fixedly connected with a first motor (45), the output end of the first motor (45) is fixedly connected with a feeding screw (412), the feeding screw (412) is located at the inner bottom of the collecting tank (411), and the discharging pipeline (413) is located at one end, away from the first motor (45), of the feeding screw (412).

5. The grain drying and multiple screening machine according to claim 1, wherein the drying box (5) comprises a fixed rod (51), a plurality of fixed rods (51) are fixedly connected to the upper surface of the frame (21), one end of the fixed rod (51) away from the frame (21) is fixedly connected with a second shell (52), the upper end of the second shell (52) is fixedly connected with a filter plate (53), the inner bottom end of the second shell (52) is fixedly connected with a second grid (54), the upper surface of the second grid (54) is fixedly connected with an electric heating wire (55), a plurality of fixing frames (56) are fixedly connected to the inner upper end of the second shell (52), a plurality of second fans (57) are fixedly connected to the fixing frames (56), the lower surface of the second shell (52) is fixedly connected with an air supply pipe (58), one end of the air supply pipe (58) away from the second shell (52) is fixedly connected with a rotary joint (59), and the rotary joint (59) is rotationally connected with the roller (7).

6. The grain drying and multiple screening machine according to claim 1, wherein the tilting mechanism (6) comprises a base (61) arranged on the ground, a first hydraulic rod (62) is rotatably connected to the base (61), one end, far away from the base (61), of the first hydraulic rod (62) is rotatably connected with a rotating seat (63), and the rotating seat (63) is fixedly connected with the housing (2).

7. The grain drying and multiple screening machine according to claim 1, wherein the roller (7) comprises a main shaft (71), the main shaft (71) is rotatably connected to the supporting seat (24), one end of the main shaft (71) away from the supporting seat (24) is rotatably connected with the fixing plate (23), a plurality of supporting rods (72) are fixedly connected to the main shaft (71), a plurality of fixing rings (73) are fixedly connected to the outer parts of the supporting rods (72), a plurality of supporting frameworks (74) are fixedly connected between the fixing rings (73), fixing covers (77) are arranged at two ends of the roller (7), and the fixing covers (77) are fixedly connected with the fixing rings (73).

8. The grain drying and multiple screening machine according to claim 7, wherein the supporting framework (74) is fixedly connected with a cylinder wall (75), a plurality of sieve holes (76) are formed in the cylinder wall (75), a plurality of lifting blades (78) are fixedly connected in the cylinder wall (75), the lifting blades (78) are arranged in a V shape, and the main shaft (71) penetrates through the fixing plate (23) and is fixedly connected with the transmission (11).