CN113280611B - Circulating marching type grain drying device for agriculture - Google Patents
Circulating marching type grain drying device for agriculture Download PDFInfo
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- CN113280611B CN113280611B CN202110556976.7A CN202110556976A CN113280611B CN 113280611 B CN113280611 B CN 113280611B CN 202110556976 A CN202110556976 A CN 202110556976A CN 113280611 B CN113280611 B CN 113280611B
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- shell
- pipe
- spring
- drying device
- cereal
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
- F26B17/02—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by belts carrying the materials; with movement performed by belts or elements attached to endless belts or chains propelling the materials over stationary surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/003—Supply-air or gas filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/04—Heating arrangements using electric heating
- F26B23/06—Heating arrangements using electric heating resistance heating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/001—Handling, e.g. loading or unloading arrangements
- F26B25/002—Handling, e.g. loading or unloading arrangements for bulk goods
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/02—Applications of driving mechanisms, not covered by another subclass
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/04—Agitating, stirring, or scraping devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/06—Chambers, containers, or receptacles
- F26B25/08—Parts thereof
- F26B25/10—Floors, roofs, or bottoms; False bottoms
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
- F26B2200/06—Grains, e.g. cereals, wheat, rice, corn
Abstract
The invention discloses a circulating stepping type grain drying device for agriculture, which comprises a shell, a plurality of heating wires arranged on the inner wall of the shell and a plurality of vibrating conveyors arranged inside the shell, wherein the vibrating conveyors are sequentially connected end to end inside the shell to form a circulating conveying structure; the discharge pipe is arranged at the lower part of the blanking end of one of the vibrating conveyors. According to the invention, the plurality of vibrating conveyors are arranged in the shell, and the plurality of vibrating conveyors form an annular circulating conveying structure to circularly convey and dry grains, so that the grain drying effect is ensured.
Description
Technical Field
The invention belongs to the technical field of grain drying equipment, and particularly relates to a circulating stepping type grain drying device for agriculture.
Background
Various grains harvested in agriculture are subjected to dehumidification and drying treatment, and the purpose of the dehumidification and drying treatment is to reduce the water content in the grains, so that the respiration effect of the grains can be reduced to consume energy on one hand; on the other hand, the germination and the mildew of the grains can be avoided. The traditional grain dehumidification drying method generally adopts a natural airing mode, the natural airing is greatly influenced by weather conditions, the grain airing efficiency is low, in addition, manual material turning is needed at regular time during the natural airing, the grain airing uniformity is ensured, and the labor intensity of operators is increased.
Along with the continuous development of modern agricultural technology, grain drying-machine should be transported and come into existence, but because current grain drying-machine enters into the in-process that flows at cereal, generally only flow from a discharge gate, and grain outflow's mode or fall to the bottom from the top and directly flow out, or closed discharge gate, make accumulation grain after a period flow out from a discharge gate, and the near grain of discharge gate can flow out earlier this moment, and be with the mode that upper strata and the grain of lower floor mix the outflow, consequently make the time that upper strata and the grain of lower floor dwell in the drying-machine different, and then the effect of drying is also different.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a circulating stepping type grain drying device for agriculture.
In order to achieve the purpose, the invention adopts the technical scheme that:
a circulating agricultural stepping grain drying device comprises a shell, a plurality of heating wires arranged on the inner wall of the shell and a plurality of vibrating conveyors arranged inside the shell, wherein the vibrating conveyors are sequentially connected end to end inside the shell to form a circulating conveying structure; the vibration conveyor comprises supporting legs and longitudinal beams arranged on the upper portions of the supporting legs, connecting square tubes are arranged on the lower portions of the supporting legs on the left side and the right side, a plurality of rockers are hinged to one side of each longitudinal beam, upper supporting rods are hinged to the upper ends of the rockers, lower supporting rods are hinged to the lower ends of the rockers, a trough is fixedly connected to the upper portions of the upper supporting rods and comprises a first side wall and a second side wall, the first side wall is perpendicular to the upper supporting rods, the second side wall is arranged at an acute angle with the first side wall, and a receiving hopper is arranged at the bottom of the trough; the middle parts of the lower support rods at two sides are connected with a first cross beam, one side of the first cross beam is provided with a second cross beam, the lower part of the first cross beam is hinged with a connecting rod, the other end of the connecting rod is hinged with a rotating plate through a pin shaft, one side of the rotating plate is provided with a rotating shaft, one end of the rotating shaft extends out of the shell and is connected with a driven belt pulley, the shell is provided with a plurality of motors, an output shaft of each motor is provided with a driving belt pulley, the driving belt pulley is connected with the driven belt pulley through a driving belt, adjacent driven belt pulleys are sequentially connected through the driving belt, the lower part of the second cross beam is provided with a hanging plate, the lower end of the hanging plate is movably connected with the rotating shaft through a bearing, a vertical plate is arranged on a connecting square pipe, and the upper end of the vertical plate is movably connected with the rotating shaft through a bearing; the discharging pipe is arranged on the lower portion of the blanking end of one of the vibrating conveyors, a material leaking port is formed in one end of the discharging pipe, the discharging pipe is connected with the shell in a sliding mode, a fixing plate is arranged on one side of the lower portion of the discharging pipe, a stud is sleeved in the middle of the fixing plate in a clearance mode, and an adjusting nut is arranged on the stud.
During the use, start the heating wire earlier and preheat the shell inside, after preheating and accomplishing, inside the vibratory conveyor's of adding the shell inside with cereal through the feeding storehouse connect the hopper, starter motor, the motor passes through belt drive and drives the pivot and rotate, the pivot is rotated through changeing the board, change the board and pass through the lower branch swing of connecting rod drive first crossbeam upper end, the reciprocal swing of silo on upper portion is driven through the rocker during lower branch swing, pass cereal in the silo forward, cereal is played by the silo vibration when carrying forward and the short-term separation of silo, in other words, stirring has been carried out cereal, cereal drying's homogeneity has been guaranteed, closed-loop type transport structure has realized the circulation stoving of cereal simultaneously, cereal drying's effect has been guaranteed.
As a further optimization of the technical scheme, one end of the vibration conveyor is provided with the guide cylinders, guide rails are arranged on two sides of the lower portion of one guide cylinder, the upper end of the discharge pipe is provided with the inward-folding lugs, the inward-folding lugs are slidably mounted on the guide rails, the guide cylinders ensure the accuracy of grain blanking, and the grains are prevented from being scattered inside the shell.
As a further preferred of this technical scheme, the guide cylinder is continuous zigzag and arranges, has reduced the impact when cereal falls into a back jigging conveyer from a preceding jigging conveyer, has not only reduced drying device's vibration, has avoided cereal direct falling to cause moreover to splash.
As a further preferred of this technical scheme, the outside cover of double-screw bolt is equipped with first spring, the one end and the shell fixed connection of first spring, the first spring other end and fixed plate fixed connection, during initial state, the elasticity of spring makes the lower mouthful of alignment of the hourglass material mouth of discharging pipe and guide cylinder, has avoided cereal to fall the front end of discharging pipe and has arranged material in advance, during row material, inwards promotes the discharging pipe, makes the lower mouthful of hourglass material mouth and guide cylinder stagger, starts row material behind the regulation nut on the screwing up double-screw bolt.
As a further preference of the technical scheme, a sealing door is arranged in the discharge pipe, the upper end of the sealing door is movably connected with the shell through a hinge, the lower end of the sealing door is a free end, and two sides in the discharge pipe are provided with stop rods; when the discharge pipe is pushed inwards, the stop lever pushes the sealing door to open the sealing door, so that material is discharged; during the stoving, the discharging pipe resets, and the sealing door seals the discharging pipe in the effect of dead weight, has avoided the inside steam outflow of shell, has guaranteed thermal utilization ratio.
As a further preferred aspect of the present technical solution, the rotating plate is provided with a plurality of adjusting holes, and the connecting position of the connecting rod and the rotating plate is adjusted according to the grain size and weight, so as to facilitate adjustment of the exciting force and amplitude of the vibrating conveyor.
As a further preferred option of the technical solution, one side of the vibrating conveyor is provided with a dust removing device, the dust removing device comprises an air expanding cover arranged on one side of the vibrating conveyor and a dust collecting cover arranged on the other side of the vibrating conveyor, the dust collecting cover is a U-shaped structure with one closed end, the lower end of the dust collecting cover is connected with a dust exhaust pipe, the lower end of the dust exhaust pipe is inserted into a dust collecting container (not shown in the figure), the outer part of the shell is provided with an annular pipe, one end of the air expanding cover is communicated with the annular pipe through a pipeline, one end of the annular pipe is provided with an air inlet pipe, and one side of the upper part of the shell is provided with an exhaust pipe; high-temperature air enters the annular pipe through the air inlet pipe and is sprayed to the material groove through the air expansion cover, the grain is lifted when the grain is conveyed by the vibrating conveyor, and light impurities such as dust and bran in the grain flow to the interior of the dust collection cover under the blowing action of hot air and are discharged into the dust collection container from the dust discharge pipe, so that the grain is dried and is subjected to dust removal; one end of the air diffusion cover is provided with a filter screen (not shown in the figure), and the filter screen prevents grains from falling into the air diffusion cover during vibration conveying.
As a further preferred of this technical scheme, blast pipe one side is equipped with the sleeve, sleeve lower extreme and shell intercommunication, the inside fender ring that is equipped with of sleeve, the upper and lower both sides that keep off the ring are the infundibulate of symmetry, keep off ring upper portion one side and be equipped with the end cap, the lower part of end cap and the laminating of fender ring upper portion, the sleeve upper end is equipped with the end cover, and the end cover sub-unit connection has the second spring, second spring lower extreme and end cap upper end fixed connection, sleeve, fender ring, end cap and second spring constitute pressurizer, during the dust removal, when the inside pressure of shell is greater than the elasticity of second spring, inside steam will end cap jack-up, and steam is discharged, and when the inside pressure of shell is less than the elasticity of second spring, the end cap seals the sleeve, has realized the inside constant voltage of shell, has guaranteed the effect that the cereal was dried.
As a further preferred option of the technical scheme, the lower part of the shell is provided with a base, the base is of a box-shaped structure with an opening at the upper part, a plurality of third springs are arranged on a bottom plate of the base, the upper ends of the third springs are fixedly connected with the shell, and the third springs reduce the vibration of the grain drying device when in use.
As a further preferred option of the technical solution, a conductive plug is arranged at the lower part of the housing, a slot which is oppositely inserted into the conductive plug is arranged on the bottom plate, a plurality of conductive coils which are connected in parallel are arranged in the slot, and the conductive coils are connected with the electric heating wires; along with the stoving of cereal, the weight loss of cereal to the holistic weight loss of shell, the shell upwards removes under the elasticity of third spring, drives electrically conductive plug upwards remove from the slot, makes electrically conductive plug reduce the quantity with the conductive coil contact, thereby reduces the work quantity of heating wire, adjusts the inside temperature of shell, has avoided cereal too to dry, has guaranteed the effect of cereal stoving.
The invention has the beneficial effects that:
1) the grain drying device is characterized in that a plurality of vibrating conveyors are arranged inside the shell, a motor drives a rotating shaft to rotate through belt transmission, the rotating shaft rotates through a rotating plate, the rotating plate drives a lower supporting rod at the upper end of a first cross beam to swing through a connecting rod, a trough at the upper part of an upper supporting rod is driven to swing back and forth through a rocker when the lower supporting rod swings, grains in the trough are pushed forward, the grains are vibrated by the trough to be separated from the trough for a short time when being conveyed forward, the grains are turned over, the grain drying uniformity is guaranteed, meanwhile, the circulation drying of the grains is realized through a closed-loop conveying structure, and the grain drying effect is guaranteed.
2) Vibrating conveyor one end is equipped with the guide cylinder, and one of them guide cylinder lower part both sides are equipped with the guide rail, and the discharging pipe upper end is equipped with interior ear, and interior ear is installed on the guide rail slidably, and the guide cylinder has guaranteed the accuracy of cereal blanking, has avoided cereal unrestrained inside the shell.
3) The guide cylinder is continuous zigzag and is arranged, impact when grains fall into a rear vibrating conveyor from a front vibrating conveyor is reduced, vibration of the drying device is reduced, and splashing caused by direct falling of grains is avoided.
4) The outside cover of double-screw bolt is equipped with first spring, the one end and the shell fixed connection of first spring, the first spring other end and fixed plate fixed connection, during initial state, the elasticity of spring makes the hourglass material mouth of discharging pipe align with the end opening of guide tube, has avoided cereal to fall the front end of discharging pipe and has arranged the material in advance, when arranging the material, inwards promotes the discharging pipe, makes the end opening of hourglass material mouth and guide tube stagger, starts to arrange the material behind the regulation nut on the screwing up double-screw bolt.
5) A sealing door is arranged in the discharging pipe, the upper end of the sealing door is movably connected with the shell through a hinge, the lower end of the sealing door is a free end, and stop rods are arranged on two sides in the discharging pipe; when the discharge pipe is pushed inwards, the stop lever pushes the sealing door to open the sealing door, so that material is discharged; during the stoving, the discharging pipe resets, and the sealing door seals the discharging pipe in the effect of dead weight, has avoided the inside steam outflow of shell, has guaranteed thermal utilization ratio.
6) The rotating plate is provided with a plurality of adjusting holes, and the connecting position of the connecting rod and the rotating plate is adjusted according to the grain diameter and the weight of grains, so that the exciting force and the amplitude of the vibrating conveyor can be adjusted conveniently.
7) One side of the vibrating conveyor is provided with a dust removal device, the dust removal device comprises an air expansion cover arranged on one side of the vibrating conveyor and a dust collection cover arranged on the other side of the vibrating conveyor, the dust collection cover is of a U-shaped structure with one closed end, the lower end of the dust collection cover is connected with a dust exhaust pipe, the lower end of the dust exhaust pipe is inserted into a dust collection container, the outer part of the shell is provided with an annular pipe, one end of the air expansion cover is communicated with the annular pipe through a pipeline, one end of the annular pipe is provided with an air inlet pipe, and one side of the upper part of the shell is provided with an exhaust pipe; high temperature air enters the annular pipe through the air inlet pipe and is sprayed to the trough through the air expansion cover, the grain is lifted when the vibrating conveyor conveys the grain, light impurities such as dust and bran in the grain flow to the inside of the dust collection cover under the hot air spraying effect, and the light impurities are discharged into the dust collection container from the dust discharge pipe, so that the grain is dedusted while drying is realized.
8) One end of the air expansion cover is provided with a filter screen, and the filter screen prevents grains from falling into the air expansion cover during vibration conveying.
9) Blast pipe one side is equipped with the sleeve, sleeve lower extreme and shell intercommunication, the inside fender ring that is equipped with of sleeve, the upper and lower both sides that keep off the ring are the infundibulate of symmetry, keep off ring upper portion one side and be equipped with the end cap, the lower part of end cap and the laminating of fender ring upper portion, the sleeve upper end is equipped with the end cover, the end cover sub-unit connection has the second spring, second spring lower extreme and end cap upper end fixed connection, the sleeve, keep off the ring, end cap and second spring constitute pressurizer, during the dust removal, when the inside pressure of shell is greater than the elasticity of second spring, inside steam is with the end cap jack-up, steam is discharged, when the inside pressure of shell is less than the elasticity of second spring, the end cap seals the sleeve, the inside constant voltage of shell has been realized, the effect of grain stoving has been guaranteed.
10) The shell lower part is equipped with the base, and the base is upper portion open-ended box structure, is equipped with a plurality of third springs on the bottom plate of base, and the third spring has reduced the vibration when cereal drying device uses.
11) The lower part of the shell is provided with a conductive plug, the bottom plate is provided with a slot which is oppositely inserted with the conductive plug, a plurality of conductive coils which are connected in parallel are arranged in the slot, and the conductive coils are connected with the electric heating wires; along with the stoving of cereal, the weight loss of cereal to the holistic weight loss of shell, the shell upwards removes under the elasticity of third spring, drives electrically conductive plug upwards remove from the slot, makes electrically conductive plug reduce the quantity with the conductive coil contact, thereby reduces the work quantity of heating wire, adjusts the inside temperature of shell, has avoided cereal too to dry, has guaranteed the effect of cereal stoving.
Drawings
FIG. 1 is a schematic structural view of a step-by-step agricultural grain drying apparatus of the present invention.
FIG. 2 is a schematic view of the internal structure of the step-type agricultural grain drying apparatus of the present invention.
FIG. 3 is a schematic structural view of a vibrating conveyor in the step-type grain drying device for the circulating agriculture of the present invention.
FIG. 4 is an exploded view of a vibrating conveyor in the step-type grain drying device for the circular agriculture of the present invention.
FIG. 5 is an assembly view of a connecting rod and a rotating plate in the step-by-step grain drying device for agricultural use.
FIG. 6 is a schematic view of the internal structure of a discharge pipe of the step-type grain drying device for the circulating agriculture of the present invention.
FIG. 7 is a schematic view of a part of a trough of the step-type grain drying device for circulation agriculture of the present invention.
FIG. 8 is a schematic view of a structure of a step-type grain drying device for agricultural use according to the present invention, with baffles removed from the base.
FIG. 9 is a schematic view of the assembly of the conductive plug and the slot in the step-type grain drying device for agricultural use.
FIG. 10 is a schematic structural view of a pressure maintaining device in the step-type grain drying device for the circular agriculture of the present invention.
In the figure: 1. a housing; 101. a feeding bin; 102. a discharge pipe; 103. a fixing plate; 104. a stud; 105. adjusting the nut; 106. a first spring; 107. a material leakage port; 108. a sealing door; 109. a hinge; 110. a gear lever; 111. a guide rail;
2. a vibrating conveyor; 201. a support leg; 202. a stringer; 203. a lower support rod; 204. an upper support rod; 205. a rocker; 206. a trough; 2061. a first side wall; 2062. a second side wall; 207. a receiving hopper; 208. a material guide cylinder; 209. a first cross member; 210. a second cross member; 211. a connecting rod; 212. rotating the plate; 213. an adjustment hole; 214. a rotating shaft; 215. a driven pulley; 216. a hanger plate; 217. a vertical plate; 218. a motor;
3. a dust removal device; 301. an air inlet pipe; 302. a ring pipe; 303. a gas diffusion cover; 304. a dust collection cover; 305. a dust exhaust pipe; 306. a sleeve; 307. a baffle ring; 308. a plug; 309. a second spring; 310. an end cap;
4. a base; 401. a base plate; 402. a third spring; 403. a conductive plug; 404. a slot; 405. an electrically conductive coil.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 10, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used for convenience of description only, and do not indicate or imply that the devices or elements referred to must have a specific orientation, a specific orientation configuration and operation, and thus, are not to be construed as limiting the present invention.
As shown in fig. 1-7, a circulating agricultural stepping grain drying device comprises a housing 1, a plurality of electric heating wires arranged on the inner wall of the housing 1, and a plurality of vibrating conveyors 2 arranged inside the housing 1, wherein the plurality of vibrating conveyors 2 are sequentially connected end to end inside the housing 1 to form a circulating conveying structure, a feeding bin 101 is arranged on one side of the housing 1, and a discharging pipe 102 is arranged on the other side of the housing 1; the vibrating conveyor 2 comprises supporting legs 201 and longitudinal beams 202 arranged on the upper portions of the supporting legs 201, connecting square pipes are arranged on the lower portions of the supporting legs 201 on the left side and the right side, a plurality of rocking rods 205 are hinged to one side of each longitudinal beam 202, upper supporting rods 204 are hinged to the upper ends of the rocking rods 205, lower supporting rods 203 are hinged to the lower ends of the rocking rods 205, a trough 206 is fixedly connected to the upper portions of the upper supporting rods 204, each trough 206 comprises a first side wall 2061 and a second side wall 2062, the first side wall 2061 is perpendicular to the upper supporting rods 204, the second side wall 2062 is arranged at an acute angle with the first side wall 2061, and a receiving hopper 207 is arranged at the bottom of the trough 206; the middle parts of the lower support rods 203 on two sides are connected with a first cross beam 209, one side of the first cross beam 209 is provided with a second cross beam 210, the lower part of the first cross beam 209 is hinged with a connecting rod 211, the other end of the connecting rod 211 is hinged with a rotating plate 212 through a pin shaft, one side of the rotating plate 212 is provided with a rotating shaft 214, one end of the rotating shaft 214 extends out of the shell 1 and is connected with a driven pulley 215, the shell 1 is provided with a plurality of motors 218, an output shaft of each motor 218 is provided with a driving pulley, the driving pulley is connected with the driven pulley 215 through a transmission belt, adjacent driven pulleys 215 are sequentially connected through the transmission belt, the lower part of the second cross beam 210 is provided with a hanging plate 216, the lower end of the hanging plate 216 is movably connected with the rotating shaft 214 through a bearing, a vertical plate 217 is arranged on a square connecting pipe, and the upper end of the vertical plate 217 is movably connected with the rotating shaft 214 through a bearing; the discharge pipe 102 is arranged at the lower part of the blanking end of one of the vibrating conveyors 2, one end of the discharge pipe 102 is provided with a discharge hole 107, the discharge pipe 102 is slidably connected with the shell 1, one side of the lower part of the discharge pipe 102 is provided with a fixing plate 103, a stud 104 is sleeved in the middle of the fixing plate 103 in a clearance mode, and the stud 104 is provided with an adjusting nut 105.
During the use, the electric heating wire is started earlier to preheat the inside of the shell 1, after preheating is completed, the grains are added into the material receiving hopper 207 of the vibrating conveyor 2 inside the shell 1 through the feeding bin 101, the motor 218 is started, the motor 218 drives the rotating shaft 214 to rotate through belt transmission, the rotating shaft 214 rotates through the rotating plate 212, the rotating plate 212 drives the lower supporting rod 203 at the upper end of the first cross beam 209 to swing through the connecting rod 211, the lower supporting rod 203 drives the trough 206 on the upper portion of the upper supporting rod 204 to swing back and forth through the rocker 205 during swinging, grains in the trough 206 are pushed forward, the grains are vibrated by the trough 206 during forward conveying and separated from the trough 206 for a short time, which is equivalent to that the grains are turned over, the uniformity of grain drying is ensured, meanwhile, the circular drying of the grains is realized through the closed-loop conveying structure, and the effect of grain drying is ensured.
As shown in fig. 6, in this embodiment, one end of the vibrating conveyor 2 is provided with a material guiding cylinder 208, two sides of the lower portion of one of the material guiding cylinders 208 are provided with guide rails 111, the upper end of the material discharging pipe 102 is provided with an inward-folding ear, the inward-folding ear is slidably mounted on the guide rails 111, and the material guiding cylinder 208 ensures the accuracy of grain blanking and prevents grain from spilling inside the housing 1.
As shown in fig. 6, in the embodiment, the material guiding cylinder 208 is arranged in a continuous zigzag manner, so that the impact of grains falling from the previous vibrating conveyor 2 to the next vibrating conveyor 2 is reduced, the vibration of the drying device is reduced, and splashing caused by direct falling of grains is avoided.
As shown in fig. 6, in this embodiment, the stud 104 is sleeved with a first spring 106, one end of the first spring 106 is fixedly connected to the housing 1, the other end of the first spring 106 is fixedly connected to the fixing plate 103, in an initial state, the elastic force of the spring aligns the material leakage port 107 of the material discharge pipe 102 with the lower port of the material guide cylinder 208, so as to prevent grains from falling on the front end of the material discharge pipe 102 for discharging in advance, and when discharging, the material discharge pipe 102 is pushed inward, so that the material leakage port 107 is staggered with the lower port of the material guide cylinder 208, and discharging starts after the adjusting nut 105 on the stud 104 is tightened.
As shown in fig. 6, in this embodiment, a sealing door 108 is disposed inside the discharging pipe 102, an upper end of the sealing door 108 is movably connected to the outer shell 1 through a hinge 109, a lower end of the sealing door 108 is a free end, and two sides inside the discharging pipe 102 are provided with stop rods 110; when the discharge pipe 102 is pushed inwards, the stop lever 110 pushes the sealing door 108 to open the sealing door 108, so that discharge is performed; during the stoving, discharging pipe 102 resets, and sealing door 108 seals discharging pipe 102 in the effect of dead weight, has avoided the inside steam outflow of shell 1, has guaranteed thermal utilization ratio.
As shown in fig. 5, in this embodiment, the rotating plate 212 is provided with a plurality of adjusting holes 213, and the connecting position between the connecting rod 211 and the rotating plate 212 is adjusted according to the grain size and weight, so as to adjust the exciting force and amplitude of the vibrating conveyor 2.
As shown in fig. 3-4, in this embodiment, a dust removing device 3 is disposed on one side of the vibrating conveyor 2, the dust removing device 3 includes an air expanding cover 303 disposed on one side of the vibrating conveyor 2 and a dust collecting cover 304 disposed on the other side of the vibrating conveyor 2, the dust collecting cover 304 is a U-shaped structure with one end closed, a dust exhaust pipe 305 is connected to a lower end of the dust collecting cover 304, a lower end of the dust exhaust pipe 305 is inserted into a dust collecting container (not shown in the drawings), a circular pipe 302 is disposed outside the housing 1, one end of the air expanding cover 303 is communicated with the circular pipe 302 through a pipeline, an air inlet pipe 301 is disposed at one end of the circular pipe 302, and an exhaust pipe is disposed on one side of an upper portion of the housing 1; high-temperature air enters the circular pipe 302 through the air inlet pipe 301 and is sprayed to the material groove 206 through the air diffusion cover 303, when the grain is conveyed by the vibrating conveyor 2, the grain is lifted, and light impurities such as dust and bran in the grain flow into the dust collection cover 304 under the blowing action of hot air and are discharged into the dust collection container from the dust discharge pipe 305, so that the grain is dried and is subjected to dust collection; one end of the air diffusion cover 303 is provided with a filter screen (not shown in the figure), and the filter screen prevents grains from falling into the air diffusion cover 303 during vibration conveying.
As shown in fig. 10, in this embodiment, a sleeve 306 is provided at one side of the exhaust pipe, the lower end of the sleeve 306 is communicated with the housing 1, a baffle ring 307 is arranged in the sleeve 306, the upper side and the lower side of the baffle ring 307 are symmetrical funnel-shaped, a plug 308 is arranged on one side of the upper part of the retaining ring 307, the lower part of the plug 308 is attached to the upper part of the retaining ring 307, the sleeve 306 is provided with an end cap 310 at the upper end, a second spring 309 is connected to the lower part of the end cap 310, the lower end of the second spring 309 is fixedly connected with the upper end of the plug 308, the sleeve 306, the baffle ring 307, the plug 308 and the second spring 309 form a pressure maintaining device, when dust is removed, when the pressure inside the casing 1 is greater than the elastic force of the second spring 309, the plug 308 is pushed up by the hot air inside, the hot air is discharged, when the pressure inside the casing 1 is smaller than the elastic force of the second spring 309, the plug 308 seals the sleeve 306, so that the constant pressure inside the casing 1 is realized, and the grain drying effect is ensured.
As shown in fig. 1 and 8, in this embodiment, a base 4 is disposed at a lower portion of the housing 1, the base 4 is a box-shaped structure with an open upper portion, a plurality of third springs 402 are disposed on a bottom plate 401 of the base 4, and the third springs 402 reduce vibration of the grain drying device during use.
As shown in fig. 9, in this embodiment, a conductive plug 403 is disposed at a lower portion of the housing 1, a slot 404 is disposed on the bottom plate 401 and is inserted into the conductive plug 403, a plurality of conductive coils 405 connected in parallel are disposed in the slot 404, and the conductive coils 405 are connected to the heating wires; along with the stoving of cereal, the weight loss of cereal to the holistic weight loss of shell 1, shell 1 rebound under the elasticity of third spring 402 drives electrically conductive plug 403 and moves up from slot 404, makes electrically conductive plug 403 reduce the quantity with the contact of conductive coil 405, thereby reduces the work quantity of heating wire, adjusts the inside temperature of shell 1, has avoided cereal too drying, has guaranteed the effect of cereal stoving.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the present invention as defined in the accompanying claims.
Claims (8)
1. A circulating agricultural stepping grain drying device comprises a shell, a plurality of heating wires arranged on the inner wall of the shell and a plurality of vibrating conveyors arranged inside the shell, and is characterized in that the vibrating conveyors are sequentially connected end to end inside the shell to form a circulating conveying structure, a feeding bin is arranged on one side of the shell, and a discharging pipe is arranged on the other side of the shell; the vibration conveyor comprises supporting legs and longitudinal beams arranged on the upper portions of the supporting legs, connecting square tubes are arranged on the lower portions of the supporting legs on the left side and the right side, a plurality of rockers are hinged to one side of each longitudinal beam, upper supporting rods are hinged to the upper ends of the rockers, lower supporting rods are hinged to the lower ends of the rockers, a trough is fixedly connected to the upper portions of the upper supporting rods and comprises a first side wall and a second side wall, the first side wall is perpendicular to the upper supporting rods, the second side wall is arranged at an acute angle with the first side wall, and a receiving hopper is arranged at the bottom of the trough; the middle parts of the lower support rods at two sides are connected with a first cross beam, one side of the first cross beam is provided with a second cross beam, the lower part of the first cross beam is hinged with a connecting rod, the other end of the connecting rod is hinged with a rotating plate through a pin shaft, one side of the rotating plate is provided with a rotating shaft, one end of the rotating shaft extends out of the shell and is connected with a driven belt pulley, the shell is provided with a plurality of motors, an output shaft of each motor is provided with a driving belt pulley, the driving belt pulley is connected with the driven belt pulley through a driving belt, adjacent driven belt pulleys are sequentially connected through the driving belt, the lower part of the second cross beam is provided with a hanging plate, the lower end of the hanging plate is movably connected with the rotating shaft through a bearing, a vertical plate is arranged on a connecting square pipe, and the upper end of the vertical plate is movably connected with the rotating shaft through a bearing; the discharge pipe is arranged at the lower part of the blanking end of one of the vibrating conveyors, one end of the discharge pipe is provided with a material leakage port and is in sliding connection with the shell, one side of the lower part of the discharge pipe is provided with a fixed plate, the middle part of the fixed plate is sleeved with a stud in a clearance manner, and the stud is provided with an adjusting nut; the lower part of the shell is provided with a base which is of a box-shaped structure with an opening at the upper part, a bottom plate of the base is provided with a plurality of third springs, and the upper ends of the third springs are fixedly connected with the shell; the lower part of the shell is provided with a conductive plug, the bottom plate is provided with a slot which is oppositely inserted with the conductive plug, a plurality of conductive coils which are connected in parallel are arranged in the slot, and the conductive coils are connected with the electric heating wires; along with the stoving of cereal, the weight loss of cereal to the holistic weight loss of shell, the shell upwards removes under the elasticity of third spring, drives electrically conductive plug upwards remove from the slot, makes electrically conductive plug reduce with the quantity of conductive coil contact, thereby reduces the work quantity of heating wire, in order to realize the regulation of the inside temperature of shell.
2. The step-by-step grain drying device for circulating agricultural use of claim 1, wherein a material guiding cylinder is provided at one end of the vibrating conveyor, guide rails are provided at two sides of the lower portion of one material guiding cylinder, and an inward-folding lug is provided at the upper end of the material discharging pipe and is slidably mounted on the guide rails.
3. The step-by-step cereal drying apparatus for circular agriculture of claim 2 wherein the guiding drum is in a continuous zigzag arrangement.
4. The step-by-step cereal drying device for circulating agricultural of claim 1, characterized in that the stud is externally sleeved with a first spring, one end of the first spring is fixedly connected with the housing, the other end of the first spring is fixedly connected with the fixing plate, and in an initial state, the elastic force of the spring makes the material leakage opening of the discharge pipe align with the lower opening of the material guide cylinder.
5. The step-by-step agricultural circulating grain drying device of claim 1, wherein a sealing door is arranged inside the discharging pipe, the upper end of the sealing door is movably connected with the outer shell through a hinge, the lower end of the sealing door is a free end, and stop rods are arranged on two sides inside the discharging pipe.
6. The step-by-step cereal drying apparatus of claim 1, wherein the rotatable plate is provided with a plurality of adjustment holes.
7. A step-by-step cereal drying device for circulating agricultural use as claimed in any one of claims 1-6, wherein a dust removal device is provided at one side of the vibrating conveyor, the dust removal device comprises a gas diffusion cover provided at one side of the vibrating conveyor and a dust collection cover provided at the other side of the vibrating conveyor, the dust collection cover is a U-shaped structure with one closed end, the lower end of the dust collection cover is connected with a dust exhaust pipe, the lower end of the dust exhaust pipe is inserted into the dust collection container, a circular pipe is provided outside the housing, one end of the gas diffusion cover is communicated with the circular pipe through a pipeline, one end of the circular pipe is provided with an air inlet pipe, and one side of the upper part of the housing is provided with an exhaust pipe; one end of the air diffusion cover is provided with a filter screen.
8. The step-by-step cereal drying device for circulating agricultural of claim 7, wherein the exhaust pipe is provided with a sleeve on one side, the lower end of the sleeve is communicated with the housing, the sleeve is provided with a baffle ring inside, the upper and lower sides of the baffle ring are symmetrically funnel-shaped, the upper side of the baffle ring is provided with a plug, the lower part of the plug is attached to the upper part of the baffle ring, the upper end of the sleeve is provided with an end cover, the lower part of the end cover is connected with a second spring, the lower end of the second spring is fixedly connected with the upper end of the plug, and the sleeve, the baffle ring, the plug and the second spring form a pressure maintaining device.
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| CN111412726A (en) * | 2020-03-23 | 2020-07-14 | 常玉洗 | Novel cereal is dried device |
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| JPS6359888U (en) * | 1986-10-08 | 1988-04-21 | ||
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| CN209326295U (en) * | 2018-10-17 | 2019-08-30 | 青海西郡主生物科技有限公司 | A kind of circulating air-flow grain-drying equipment |
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Effective date of registration: 20230425 Address after: 422000 Group 8, Mabujiang Village, Xiaotang Town, Xinshao County, Shaoyang City, Hunan Province (former village activity center) Patentee after: Xinshao County Shi'an Agriculture and Animal Husbandry Co.,Ltd. Address before: 250100 No. 866 Farm Road, Licheng District, Shandong, Ji'nan Patentee before: SHANDONG AGRICULTURE AND ENGINEERING University |
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