Agricultural harvesting and screening machine capable of preventing flying dust
Technical Field
The utility model belongs to the technical field of agricultural production, and particularly relates to an anti-flying-dust agricultural harvesting and screening machine.
Background
Agricultural production refers to the production activity of planted crops. Including the production of crops such as grains, cotton, oil, hemp, silk, tea, sugar, vegetables, cigarettes, fruits, medicines and the like.
Harvesting is needed after the agricultural production is mature, harvesting is carried out by using a harvester at present, grains after harvesting are needed to be screened, the screening purpose is to distinguish grains with different sizes, chinese patent (publication number: CN 205673171U) discloses a grain harvesting and screening device, the grain harvesting and screening device comprises a first discharge port, a second discharge port, a third discharge port, a fine screen, a middle screen, a coarse screen, a screen support, rollers, a connecting rod, a planet wheel, a rotating shaft and a support, the connecting rod drives the three screens to move back and forth simultaneously through rotation of the rotating shaft, the effect of vibration is achieved, the disordered grains are poured into the coarse screen to be screened, the most full grains are screened out to the first discharge port to be discharged, the grains with the second grade are screened out through the second discharge port, the grains with the third grade are screened out through the fine screen, and therefore, the grains can be screened into three grades after screening, more sundries are discharged, and the grain harvesting harvester has the popularization and application value.
In the practical use process, though screening can be carried out, skin fragments and dust particles doped in grain products can splash during screening, so that the influence is brought to the working environment, and the skin fragments and the dust particles can be entangled in the grain products to influence the reprocessing of subsequent grain products.
Disclosure of Invention
The utility model aims to provide an agricultural harvesting and screening machine capable of preventing flying dust, which is used for solving the problems that in the background art, though screening can be carried out in the actual use process, skin scraps and dust particles doped in grain products can splash during screening, the working environment is influenced, and the skin scraps and the dust particles are entangled in the grain products to influence the reprocessing of subsequent grain products.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an agricultural harvesting sieve separator of dust, includes the box, the last fixed surface of box installs the loading hopper, the lower surface of loading hopper runs through and installs a plurality of main pipe, the intercommunication is installed a plurality of branch material pipe on the main pipe, the lower surface of box runs through and installs out the hopper, be provided with actuating mechanism, screening mechanism and dust removal mechanism on the box, the chamber door is installed in articulated side of box, actuating mechanism is including installing motor, the installation of box side at motor output shaft tip and rotation installation on the box, eccentric fixed mounting at a plurality of disc and the carriage that the cooperation was used in the laminating of disc surface laid and with the disc surface, screening mechanism includes a plurality of screening frame, installs a plurality of spliced pole and a plurality of screening box body of sliding mounting between two adjacent screening frames respectively, a plurality of all have the aperture of screening hole and screening hole to reduce down in proper order from last, actuating mechanism includes that install at the motor output shaft tip and rotation install on the box side, eccentric fixed mounting is at the rotor shaft outer surface's a plurality of discs and the carriage, and the carriage is installed at the fixed air intake of air intake, fixed cylinder and fixed cylinder.
Adopt above-mentioned scheme, through setting up the screening mechanism cooperation screening mechanism and using, utilize the dust removal mechanism to extract the dust that splashes in the screening mechanism to carry out screening for the crust piece and the dust granule that mix in the grain product are concentrated in being extracted and conveyed to the dust filter tube and collect, avoided crust piece and dust to scatter the problem that floats in the air and influence operational environment, through setting up actuating mechanism and screening mechanism cooperation and use, actuating mechanism drives screening mechanism up-and-down reciprocating motion, can carry out multistage effective screening, reach the purpose of size classification, and can effectively vibrate the crust piece dust that mixes in the grain product, the removal effect is good, guarantee good grain product cleanliness factor, perfect function diversity.
In the above scheme, it should be noted that the motor and the fan are both electrically connected with an external power supply.
As a preferred implementation mode, the front side and the rear side of the supporting frame are fixedly provided with a plurality of limit sliding blocks, and the front side and the rear side of the inner wall of the box body are provided with limit sliding grooves for the limit sliding blocks to slide.
By adopting the scheme, the limit sliding block is matched with the limit sliding groove to be used, and the support frame moving up and down can be supported, so that the stability of the up and down movement of the support frame is good, and the phenomenon of tilting and shaking is not easy to occur.
As a preferred implementation mode, a plurality of screening frame surfaces of lower position department all are fixed with the curb plate, slidable mounting has a plurality of inserted bar on the curb plate, the end fixing of inserted bar has the operation panel, the outside cover of inserted bar is equipped with the spring, the both ends of spring respectively with the relative face fixed connection of curb plate and operation panel, a plurality of confession inserted bar male slot has been seted up to the side of screening box body.
By adopting the scheme, the inserting rod is driven to be inserted into the slot by utilizing the acting force generated by the stress deformation of the spring, so that the screening box body can be locked, the locking structure is simple, the operation is convenient, and the disassembly and the operation are convenient.
As a preferred implementation mode, the screening frame lower surface at the lowest position is fixedly provided with two extension plates, the side surfaces of the extension plates are fixedly provided with clamping plates, the side surfaces of the support frames are provided with containing grooves for containing the extension plates, and the inner walls of the containing grooves are provided with clamping grooves for inserting the clamping plates.
By adopting the scheme, the extension plate is matched with the clamping plate for use, the extension plate enters into the accommodating groove, the clamping plate enters into the clamping groove, the effective assembly of the screening frame and the supporting frame is realized, the alignment clamping effect is good, and the clamping effect is not easy to loosen.
As a preferable implementation mode, the outer surfaces of the fixed cylinder body and the movable cylinder body are fixedly provided with assembly rings, and a plurality of assembly bolts are arranged between the two assembly rings in a threaded manner.
By adopting the scheme, the assembling ring is matched with the assembling bolt for use, so that the fixed cylinder and the movable cylinder can be effectively assembled and fixed, the fixing is convenient, and the structural stability is good.
As a preferred implementation mode, the outer surface of the dust filter cylinder is fixedly provided with a plurality of limit guide bars, and the inner wall of the fixed cylinder body is provided with a plurality of limit guide grooves for inserting the limit guide bars.
By adopting the scheme, the dust filter can be limited by utilizing the cooperation of the limiting guide bars and the limiting guide grooves, so that the dust filter can is prevented from shaking in the fixed cylinder.
Compared with the prior art, the utility model has the beneficial effects that:
this agricultural harvesting sieve separator of preventing flying dust uses through setting up dust removal mechanism cooperation screening mechanism, utilizes dust removal mechanism to extract the dust that splashes when screening mechanism carries out the screening for the crust piece and the dust granule doped in the grain product are carried in the dust filter tube by the extraction and concentrated collection, have avoided crust piece and dust to scatter and float the problem that influences operational environment in the air;
this prevent agricultural harvesting sieve separator of flying dust uses through setting up actuating mechanism and screening mechanism cooperation, and actuating mechanism orders about screening mechanism reciprocating motion, can carry out multistage effective screening, reaches the purpose of size classification, and can effectively vibrate the crust piece dust that mixes in the grain product, gets rid of effectually, guarantees good grain product cleanliness factor, perfect function diversity.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of another angle of the present utility model;
FIG. 3 is a schematic diagram of a cross-section of the housing and a screening mechanism according to the present utility model;
FIG. 4 is a schematic view of the hopper of the present utility model;
FIG. 5 is a schematic view of the cross section of the case of the present utility model;
FIG. 6 is a schematic view of a screening mechanism according to the present utility model;
FIG. 7 is a schematic view of the dust removing mechanism of the present utility model;
fig. 8 is an exploded view of the fixed cylinder and the movable cylinder of the present utility model.
In the figure: 1. a case; 2. a hopper; 3. a main material pipe; 4. a material dividing pipe; 5. discharging a hopper; 6. a driving mechanism; 7. a screening mechanism; 8. a dust removing mechanism; 9. a door; 10. a motor; 11. a rotating shaft; 12. a disc; 13. a support frame; 14. a limit sliding block; 15. a screening frame; 16. a connecting column; 17. screening the box body; 18. a side plate; 19. a rod; 20. an operation panel; 21. a spring; 22. an extension plate; 23. a clamping plate; 24. a blower; 25. fixing the cylinder; 26. an air-extracting cover; 27. a communicating pipe; 28. a movable cylinder; 29. assembling a ring; 30. assembling a bolt; 31. a dust filtering barrel; 32. and limiting the guide bar.
Detailed Description
Referring to fig. 1-8, the utility model provides an agricultural harvesting and screening machine capable of preventing flying dust, comprising a box body 1, wherein a hopper 2 is fixedly arranged on the upper surface of the box body 1, a plurality of main material pipes 3 are arranged on the lower surface of the hopper 2 in a penetrating way, a plurality of material separating pipes 4 are arranged on the main material pipes 3 in a communicating way, a material outlet hopper 5 is arranged on the lower surface of the box body 1 in a penetrating way, a driving mechanism 6, a screening mechanism 7 and a dust removing mechanism 8 are arranged on the box body 1, a box door 9 is hinged on the side surface of the box body 1, the driving mechanism 6 comprises a motor 10 arranged on the side surface of the box body 1, a rotating shaft 11 arranged at the end part of an output shaft of the motor 10 and rotatably arranged on the box body 1, a plurality of discs 12 eccentrically and fixedly arranged on the outer surface of the rotating shaft 11, and a supporting frame 13 which is arranged on the inner wall of the box body 1 in a sliding way and is attached to the outer surface of the discs 12 in a matching way, the screening mechanism 7 comprises a plurality of screening frames 15, a plurality of connecting columns 16 arranged between the screening frames 15 and a plurality of screening box bodies 17 which are respectively and slidably arranged between two adjacent screening frames 15, wherein the screening box bodies 17 are provided with screening holes, the aperture of the screening holes is sequentially reduced from top to bottom, the dust removing mechanism 8 comprises a fan 24 arranged on the side face of the box body 1, a fixed cylinder 25 arranged at the position of an air inlet of the fan 24, an air exhaust cover 26 arranged on the inner wall of the box body 1, a communicating pipe 27 arranged on the side face of the air exhaust cover 26 and a movable cylinder 28 arranged at the end part of the communicating pipe 27, the fixed cylinder 25 and the movable cylinder 28 are matched for use, the fixed cylinder 25 is fixed on the side face of the box body 1, and a dust filtering cylinder 31 is arranged in the fixed cylinder 25.
The front and back both sides face of carriage 13 all fixed mounting has a plurality of spacing slider 14, and the spacing spout that supplies spacing slider 14 gliding is all seted up to the front and back both sides face of box 1 inner wall, and spacing slider 14 cooperation spacing spout uses, can support carriage 13 of up-and-down motion for carriage 13 up-and-down motion stability is good, and is difficult for appearing the phenomenon that the slope rocked.
The surface of a plurality of screening frame 15 of below position department all is fixed with curb plate 18, slidable mounting has a plurality of inserted bar 19 on the curb plate 18, the end fixing of inserted bar 19 has operation board 20, the outside cover of inserted bar 19 is equipped with spring 21, the both ends of spring 21 respectively with the relative face fixed connection of curb plate 18 and operation board 20, a plurality of confession inserted slot of inserted bar 19 male has been seted up to the side of screening box 17, utilize the effort that spring 21 atress deformation produced to order about inserted bar 19 to insert inside the slot, can realize the locking to screening box 17, locking structure is simple, convenient operation, the dismouting operation of being convenient for is used.
The screening frame 15 lower surface fixation of the position below is had two extension boards 22, the side of extension board 22 is fixed with screens board 23, the holding tank that is used for holding extension board 22 has been seted up to the side of braced frame 13, and supply screens board 23 male screens groove has been seted up to the inner wall of holding tank, extension board 22 cooperation screens board 23 uses, extension board 22 enters into the holding tank, screens board 23 enters into the screens inslot, realize the effective equipment of screening frame 15 and braced frame 13, counterpoint chucking is effectual, be difficult for not hard up.
The outer surfaces of the fixed cylinder 25 and the movable cylinder 28 are fixedly provided with the assembly rings 29, a plurality of assembly bolts 30 are arranged between the two assembly rings 29 in a threaded manner, the assembly rings 29 are matched with the assembly bolts 30 for use, the fixed cylinder 25 and the movable cylinder 28 can be effectively assembled and fixed, the fixing is convenient, and the structural stability is good.
The outer surface of the dust filter drum 31 is fixedly provided with a plurality of limit guide bars 32, the inner wall of the fixed barrel 25 is provided with a plurality of limit guide grooves for the limit guide bars 32 to be inserted, and the dust filter drum 31 can be limited by utilizing the cooperation of the limit guide bars 32 and the limit guide grooves, so that the dust filter drum 31 is prevented from shaking in the fixed barrel 25.
During the use, pour grain product to be screened into loading hopper 2, grain product is through main pipe 3 and branch material pipe 4 enter into box 1 in, carry out multistage screening via a plurality of screening box 17, the grain product of lower side is discharged from ejection of compact fill 5, simultaneously motor 10 and fan 24 start, motor 10 drives pivot 11 and rotates, the pivot 11 drives disc 12 and rotates and order about supporting frame 13 drive screening frame 15 constantly reciprocating motion, and then order about screening box 17 reciprocating motion about, carry out constantly concussion to grain product in the screening box 17, the crust piece and the dust of concussion splash are extracted by fan 24, crust piece and dust doping are in the gas is through suction hood 26 and communicating pipe 27 entering into fixed barrel 25, filter the collection via dust filter 31, when the operation is accomplished and is needed to take out screening box 17, open chamber door 9, pulling screening frame 15, make screens board 23 break away from the screens groove, pull operation board 20 behind the screening frame 15, operation board 20 drives inserted bar 19 motion, inserted bar 19 break away from behind the slot, need be removed 31 and remove the fixed barrel 25 of removing the fixed barrel of dust filter 31, the fixed barrel of removing the fixed barrel of dust filter 31 is removed from the fixed barrel of the end of dust filter 31.