CN113383646A - Peanut straw pneumatic conveying, recycling and dust falling device - Google Patents

Peanut straw pneumatic conveying, recycling and dust falling device Download PDF

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Publication number
CN113383646A
CN113383646A CN202110655059.4A CN202110655059A CN113383646A CN 113383646 A CN113383646 A CN 113383646A CN 202110655059 A CN202110655059 A CN 202110655059A CN 113383646 A CN113383646 A CN 113383646A
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CN
China
Prior art keywords
straw
box
grass box
peanut
grass
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CN202110655059.4A
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Chinese (zh)
Inventor
齐金财
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Shandong Juming Machinery Co ltd
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Shandong Juming Machinery Co ltd
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Priority to CN202110655059.4A priority Critical patent/CN113383646A/en
Publication of CN113383646A publication Critical patent/CN113383646A/en
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01FPROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
    • A01F12/00Parts or details of threshing apparatus
    • A01F12/44Grain cleaners; Grain separators
    • A01F12/446Sieving means
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01FPROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
    • A01F12/00Parts or details of threshing apparatus
    • A01F12/18Threshing devices
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01FPROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
    • A01F12/00Parts or details of threshing apparatus
    • A01F12/48Air conduits or blowers for grain
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01FPROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
    • A01F29/00Cutting apparatus specially adapted for cutting hay, straw or the like
    • A01F29/02Cutting apparatus specially adapted for cutting hay, straw or the like having rotating knives with their cutting edges in a plane perpendicular to their rotational axis
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01FPROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
    • A01F29/00Cutting apparatus specially adapted for cutting hay, straw or the like
    • A01F29/09Details

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Threshing Machine Elements (AREA)

Abstract

The invention belongs to the field of agricultural machinery, and relates to a peanut straw pneumatic conveying, recycling and dust falling device which comprises a threshing structure, wherein the threshing structure is fixed at the front part of a rack, a chopping structure is arranged below the tail part of the threshing structure, the rear part of the chopping structure is arranged in an inner cavity of a conveying shell, the bottom of the conveying shell is fixed on the rack, a lower fan is arranged at the bottom of the rack below the conveying shell, an air outlet of the lower fan is communicated with the inner cavity of the conveying shell, a straw suction fan is arranged at the upper part of the conveying shell, an air outlet of the straw suction fan is communicated with a straw box structure, the straw box structure is arranged at the rear part of the rack, a first punching screen plate and a second punching screen plate are arranged at the rear part of the straw box structure, an air flow channel is formed by the first punching screen plate and the second punching screen plate and the outer wall at the rear part of the straw box structure, the bottom of the air flow channel is communicated with a rear suction fan, and the rear suction fan is fixedly connected with the rear part of the rack. The peanut straw recycling device can adapt to peanut straws with various dryness and humidity, improves the straw recycling efficiency in the peanut harvesting process, and reduces dust pollution.

Description

Peanut straw pneumatic conveying, recycling and dust falling device
Technical Field
The invention relates to a pneumatic conveying recovery and dust fall device for peanut straws, and belongs to the field of agricultural machinery.
Background
With the continuous progress of science and technology, people develop the peanut harvesting mode from the traditional manual operation mode to the mechanical automation direction, and a peanut pickup machine is produced at the same time, so that in the field of peanut harvesting in China at present, more and more areas mainly pick up and harvest peanuts, and the peanut pickup machine is a harvesting machine which finishes the functions of picking up, picking up fruits, cleaning, collecting peanut straws and the like in the peanut harvesting process; in the prior art, peanut straws are recovered and collected by a straw suction fan, and low-level straws are conveyed upwards to a straw box, but the requirement of collecting the peanut straws on the straws is high, if the straws are too wet, the weight of the straws is too heavy, and the capacity of the straw suction fan for blowing the straws cannot be achieved, so that the straws in a conveying shell are accumulated to cause a blocking phenomenon, the operation of a peanut pickup machine needs to be stopped, workers clean the straws accumulated in the conveying shell, the working efficiency is reduced, and the working strength of the workers is increased; if the straw is over-dried, the straw suction fan conveys the straw to the straw box, and due to over-drying of the straw, scraps and dust on the straw fall off and are mixed in the air flow of the straw box and discharged into the air, so that dust pollution is caused, and the health of people is harmed.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the defects of the prior art are overcome, the peanut straw pneumatic conveying recovery and dust fall device is provided, the peanut straw pneumatic conveying recovery and dust fall device can adapt to peanut straws with various dry humidity, the straw recovery efficiency in the peanut harvesting process is improved, and dust pollution is reduced.
The invention relates to a peanut straw pneumatic conveying, recycling and dust-settling device which comprises a threshing structure, wherein the threshing structure is fixed at the front part of a rack, a chopping structure is arranged below the tail part of the threshing structure, the rear part of the chopping structure is arranged in an inner cavity of a conveying shell, the bottom of the conveying shell is fixed on the rack, a lower fan is arranged at the bottom of the rack below the conveying shell, an air outlet of the lower fan is communicated with the inner cavity of the conveying shell, a straw suction fan is arranged at the upper part of the conveying shell, an air outlet of the straw suction fan is communicated with a straw box structure, the straw box structure is arranged at the rear part of the rack, a first punching screen plate and a second punching screen plate are arranged at the rear part of the inner cavity of the straw box structure, an airflow channel is formed by the first punching screen; the air outlet of the grass suction fan is communicated with the inner cavity of the grass box structure at one side of the first punching screen plate and the second punching screen plate which are opposite to the air flow channel.
The cutting structure can cut the threshed peanut straws, the cut straws are thrown into the conveying shell along with the rotating motion of the cutting structure, the cut straws are easily conveyed by the straw suction fan, the peanut straws are convenient to recover, and the situation that the straw suction fan cannot convey the straws into the straw box structure when the weight of the straws is too large due to large straw humidity is avoided; when the dryness of the straw is high, the straw is easily broken by a threshing structure, the broken straw can fall onto a sieve box sieve surface below the threshing structure along with peanut grains through a concave plate sieve below the threshing structure, a cleaning fan and a sieve box are arranged below the threshing structure in the prior art, the rear part of the sieve box extends into a conveying shell, the peanut grains and the straw falling into the sieve box sieve surface are separated under the action of the cleaning fan and the sieve box, meanwhile, the straw is conveyed to the rear part of the sieve box, the lower fan is arranged below the rear part of the sieve box, an air outlet of the lower fan is communicated with an inner cavity of the conveying shell, the lower fan conveys the straw at the rear part of the sieve box into the conveying shell, and meanwhile, the lower fan can blow up the straw at the rear part of the sieve box, so that the straw is conveyed into the straw box under the action of a straw suction fan and the lower fan to be recycled. The cutting structure cuts the threshed peanut straws, and then conveys the peanut straws to the straw box for recovery under the dual actions of the straw suction fan and the lower fan, so that the peanut straw cutting machine is suitable for peanut straws with various dry humidities, and has good straw recovery effect and high conveying efficiency; after the peanut straw got into the grass case, the peanut straw fell to grass bottom of the case portion because of the action of gravity, the air current of grass incasement clamp miscellaneous straw piece and dust flows to the air current passageway through the otter board one and the otter board two that punch a hole, the otter board one and the otter board two that punch a hole can filter the straw piece and the dust that mix with in the air current, dust emission has been reduced, the air current after the otter board one and the otter board two that punch a hole filter is arranged to the automobile body rear lower place of peanut pickup machine through back suction fan, dust pollution to the air has been reduced. The conveying shell is a cylindrical body formed by splicing steel plates.
Preferably, the shredding structure include the shredding drum, be equipped with the several area on the shredding drum and get rid of the blade, the corresponding mounting panel in frame both sides is run through respectively at the shredding drum both ends, the mounting panel bottom is fixed in the frame, the shredding drum in the mounting panel outside is connected from the driving wheel, passes through the belt from the driving wheel and connects the action wheel, the gear shaft is connected to the action wheel, the epaxial gear cooperation of gear shaft and threshing structure is used. When the peanut threshing device is used, when the threshing structure is rotated to thresh peanut crops, the gear on the rotating shaft of the threshing structure rotates to drive the gear shaft to rotate, the gear shaft drives the driving wheel to rotate, the driving wheel drives the driven wheel to rotate through the belt, the driven wheel drives the chopping drum to rotate, the throwing blade on the chopping drum rotates to chop the peanut straws, and the chopped peanut straws are conveyed into the conveying shell when the chopping drum rotates to chop the peanut straws.
Preferably, an arc-shaped plate is further arranged below the chopping structure, and the top of the arc-shaped plate is fixed at the tail part of the concave plate sieve below the threshing structure. The arc can receive a small amount of peanut straw by the shredding structure mince, avoids a small amount of peanut straw by the shredding structure mince to fall into the sieve case sifter of below, increases the burden of peanut granule cleaning.
Preferably, the straw suction fan adopts a multi-blade centrifugal fan, peanut straws at the bottom of the conveying shell can be conveyed upwards into the straw box, the conveying efficiency is high, and the work and the operation are stable.
Preferably, the grass box structure comprises a grass box and a grass box upper cover, the front end and the rear end of the outer wall of one side of the grass box are respectively hinged with the first support and the second support, and the bottoms of the first support and the second support are relatively fixed on the rack; the upper part of the side wall of the other side of the grass box is hinged with an upper cover of the grass box, the first support is fixedly connected with the bottom of the first hydraulic cylinder through the first lifting lug, the movable end of the first hydraulic cylinder is connected with the front side surface of the grass box, the second support is fixedly connected with the bottom of the second hydraulic cylinder through the second lifting lug, and the movable end of the second hydraulic cylinder is connected with the rear side surface of the grass box. The front end of the outer wall of one side of the grass box is close to one end of the threshing structure, and the rear end of the outer wall of one side of the grass box is far away from one end of the threshing structure.
Preferably, the straw box is hinged with the first support and the second support through a first connecting shaft, the first connecting shaft is fixed on the outer wall of one side of the straw box, and two ends of the first connecting shaft are respectively hinged with the first support and the second support. The first connecting shaft of the straw box can rotate around the first support and the second support, so that the straw box is turned over, and peanut straws in the straw box can be poured out conveniently.
Preferably, the grass box upper cover is hinged with the grass box through a second connecting shaft, the second connecting shaft is fixed on the grass box upper cover, and two ends of the second connecting shaft are respectively and rotatably connected with the fixing plates at the front end and the rear end of the grass box. And a second connecting shaft of the upper cover of the straw box rotates in the mounting hole of the fixing plate, so that the upper cover of the straw box is turned over and opened, and the peanut straws in the straw box are poured out. The front end of the grass box is close to one end of the grass box of the threshing structure, and the rear end of the grass box is far away from one end of the grass box of the threshing structure.
Preferably, a limiting structure is arranged between the grass box and the grass box upper cover and comprises a straight triangular support, a horizontal right-angle side of the straight triangular support is fixedly connected with the outer wall of the rear side of the grass box upper cover, the lower part of a vertical right-angle side of the straight triangular support is hinged with one end of a limiting square pipe, the other end of the limiting square pipe is hinged with one end of a limiting square pipe, and the other end of the limiting square pipe is hinged with a support II; and a limiting shaft which protrudes outwards is arranged at the hinged position of the second bracket and the first connecting shaft. When peanut straws collected in a straw box are poured outwards, a hydraulic cylinder I and a hydraulic cylinder II are respectively started, the movable ends of the hydraulic cylinder I and the hydraulic cylinder II both move upwards to drive the bottom of the straw box to turn upwards, the upper cover of the straw box is opened due to downward inclination, meanwhile, a straight triangular bracket pulls a limiting square tube I, the upper cover of the straw box is continuously opened along with the turning of the straw box, the limiting square tube I and the limiting square tube II are straightened, when the upper cover of the straw box is opened to drive the limiting square tube I and the limiting square tube II to move upwards until the limiting square tube II is interfered with a limiting shaft, the upper cover of the straw box is stopped to be opened, the opening angle of the upper cover of the straw box is fixed, the bottom of the straw box is stopped to turn upwards, and the peanut straws in the straw box are poured outwards while the bottom of the straw box is turned upwards; then the movable ends of the hydraulic cylinder I and the hydraulic cylinder II shrink downwards to drive the bottom of the grass box to turn downwards, so that the grass box drives the upper cover of the grass box to close downwards and restore to the position.
Preferably, a straw inlet is formed in the front side of the upper cover of the grass box and communicated with an air outlet of a grass suction fan, a first punching screen plate is arranged above the straw inlet, the upper portion of the first punching screen plate is fixed to the top of the inner side of the upper cover of the grass box, the bottom of the first punching screen plate abuts against the top of a second punching screen plate, and the second punching screen plate is arranged at the rear portion of the inner cavity of the grass box.
Compared with the prior art, the invention has the beneficial effects that:
the peanut straw chopping machine is reasonable in structural design, peanut straws are crushed through the chopping structure, the recovery of the peanut straws is facilitated, and the adaptability to the dryness and humidity of the straws is good; the straw at the lower part of the conveying shell is conveyed upwards to the straw box through the double functions of the lower fan and the straw suction fan, the conveying efficiency is high, the straw recycling effect is good, and the straw accumulation is prevented from blocking the sieve box; the first punching screen plate and the second punching screen plate can filter straw scraps and dust, so that the straw scraps and the dust are prevented from being discharged into the outside air along with air flow, and the dust discharge is reduced; and the airflow filtered by the first punching screen plate and the second punching screen plate is discharged to the rear lower part of the peanut pickup machine through the rear suction fan, so that the pollution of dust to the air is reduced.
Drawings
FIG. 1 is a first structural schematic diagram of a peanut straw pneumatic conveying, recycling and dust settling device;
FIG. 2 is a structural schematic diagram II of a peanut straw pneumatic conveying recovery and dust fall device;
FIG. 3 is a schematic view showing the closing of the upper cover of the grass box;
FIG. 4 is a schematic view showing the upper cover of the grass box opened;
FIG. 5 is an enlarged schematic view of a gear shaft connection structure of the shredding structure;
FIG. 6 is a schematic view of a hinge structure of the upper cover and the grass box;
fig. 7 is a schematic view of a structure in which the grass box is hinged with the first bracket and the second bracket respectively.
In the figure: 1. a threshing structure; 2. a frame; 3. a concave plate sieve; 4. a cleaning fan; 5. a screen box; 6. mounting a plate; 7. a driven wheel; 8. a belt; 9. a grass box; 10. a straight triangular bracket; 11. a limiting square tube I; 12. a second limiting square tube; 13. a second bracket; 14. a limiting shaft; 15. an upper cover of the grass box; 16. a grass suction fan; 17. a gear shaft; 18. a driving wheel; 19. a chopping drum; 20. throwing a blade; 21. punching a first screen plate; 22. punching a second screen plate; 23. an air flow channel; 24. a rear suction fan; 25. a first bracket; 26. a transport housing; 27. an arc-shaped plate; 28. a lower fan; 29. a fixing plate; 30. a second lifting lug; 31. a second hydraulic cylinder; 32. a rotating shaft; 33. a gear; 34. a second connecting shaft; 35. the first connecting shaft is connected.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in fig. 1-7, the pneumatic recovery and dust fall device for peanut straws comprises a threshing structure 1, wherein the threshing structure 1 is fixed at the front part of a frame 2, a chopping structure is arranged below the tail part of the threshing structure 1, the rear part of the chopping structure is arranged in an inner cavity of a conveying shell 26, the bottom of the conveying shell 26 is fixed on the frame 2, a lower fan 28 is arranged at the bottom of the machine frame 2 below the conveying shell 26, an air outlet of the lower fan 28 is communicated with an inner cavity of the conveying shell 26, a straw suction fan 16 is arranged at the upper part of the conveying shell 26, an air outlet of the straw suction fan 16 is communicated with a straw box structure, the straw box structure is arranged at the rear part of the machine frame 2, a first punching screen plate 21 and a second punching screen plate 22 are arranged at the rear part of the inner cavity of the straw box structure, the first punching screen plate 21 and the second punching screen plate 22 and the outer wall of the rear part of the straw box structure form an air flow channel 23, the bottom of the air flow channel 23 is communicated with a rear suction fan 24, and the rear suction fan 24 is fixedly connected with the rear part of the machine frame 2; an air outlet of the grass suction fan 16 is communicated with an inner cavity of the grass box structure at one side of the first punching screen plate 21 and the second punching screen plate 22 which are opposite to the air flow channel 23.
In this embodiment:
the chopping structure comprises a chopping drum 19, a plurality of belt throwing blades 20 are arranged on the chopping drum 19, two ends of the chopping drum 19 respectively penetrate through corresponding mounting plates 6 on two sides of the rack 2, the bottom of each mounting plate 6 is fixed on the rack 2, the chopping drum 19 on the outer side of each mounting plate 6 is connected with a driven wheel 7, the driven wheel 7 is connected with a driving wheel 18 through a belt 8, the driving wheel 18 is connected with a gear shaft 17, and the gear shaft 17 is matched with a gear 33 on a rotating shaft 32 of the threshing structure 1 for use. When the peanut harvester is used, when the threshing structure 1 rotates to thresh peanut crops, the gear 33 on the rotating shaft 32 of the threshing structure 1 rotates to drive the gear shaft 17 to rotate, the gear shaft 17 drives the driving wheel 18 to rotate, so that the driving wheel 18 drives the driven wheel 7 to rotate through the belt 8, the driven wheel 7 drives the chopping drum 19 to rotate, the throwing blade 20 on the chopping drum 19 rotates to chop the peanut straws, and the chopped peanut straws are conveyed into the conveying shell 26 while the chopping drum 19 rotates to chop the peanut straws.
An arc-shaped plate 27 is arranged below the chopping structure, and the top of the arc-shaped plate 27 is fixed at the tail part of the concave plate sieve 3 below the threshing structure 1. The arc-shaped plate 27 can receive a small amount of peanut straws chopped by the chopping structure, so that the small amount of peanut straws chopped by the chopping structure are prevented from falling into the screen surface of the screen box 5 below, and the peanut particle cleaning burden is increased.
The straw suction fan 16 adopts a multi-blade centrifugal fan, can upwards convey the peanut straws at the bottom of the conveying shell 26 into the straw box 9, and has high conveying efficiency and stable working and operation.
The grass box structure comprises a grass box 9 and a grass box upper cover 15, the front end and the rear end of the outer wall of one side of the grass box 9 are respectively hinged with a first support 25 and a second support 13, and the bottoms of the first support 25 and the second support 13 are relatively fixed on the frame 2; the upper part of the side wall of the other side of the grass box 9 is hinged with the grass box upper cover 15, the first support 25 is fixedly connected with the bottom of the first hydraulic cylinder through the first lifting lug, the movable end of the first hydraulic cylinder is connected with the front side surface of the grass box 9, the second support 13 is fixedly connected with the bottom of the second hydraulic cylinder 31 through the second lifting lug 30, and the movable end of the second hydraulic cylinder 31 is connected with the rear side surface of the grass box 9. The front end of the outer wall of one side of the grass box 9 is close to one end of the threshing structure 1, and the rear end of the outer wall of one side of the grass box 9 is far away from one end of the threshing structure 1.
The grass box 9 is hinged with the first support 25 and the second support 13 through a first connecting shaft 35, the first connecting shaft 35 is fixed on the outer wall of one side of the grass box 9, and two ends of the first connecting shaft 35 are hinged with the first support 25 and the second support 13 respectively. The first connecting shaft 35 of the grass box 9 can rotate around the first support 25 and the second support 13, so that the grass box 9 is turned over, and peanut straws in the grass box 9 can be poured out conveniently.
The grass box upper cover 15 is hinged with the grass box 9 through a second connecting shaft 34, the second connecting shaft 34 is fixed on the grass box upper cover 15, and two ends of the second connecting shaft 34 are respectively and rotatably connected with the fixing plates 29 at the front end and the rear end of the grass box 9. The second connecting shaft 34 of the grass box upper cover 15 rotates in the mounting hole of the fixing plate 29, so that the grass box upper cover 15 is turned over and opened, and peanut straws in the grass box 9 are poured out. The front end of the grass box 9 is close to the grass box 9 end of the threshing structure 1, and the rear end of the grass box 9 is far from the grass box 9 end of the threshing structure 1.
A limiting structure is arranged between the grass box 9 and the grass box upper cover 15 and comprises a straight triangular support 10, a horizontal right-angle side of the straight triangular support 10 is fixedly connected with the outer wall of the rear side of the grass box upper cover 15, the lower part of a vertical right-angle side of the straight triangular support 10 is hinged with one end of a limiting square tube I11, the other end of the limiting square tube I11 is hinged with one end of a limiting square tube II 12, and the other end of the limiting square tube II 12 is hinged with a support II 13; and a limiting shaft 14 protruding outwards is arranged at the hinged position of the second bracket 13 and the first connecting shaft 35. When peanut straws collected in the straw box 9 are poured outwards, the hydraulic cylinder I and the hydraulic cylinder II 31 are respectively started, the movable ends of the hydraulic cylinder I and the hydraulic cylinder II 31 both move upwards to drive the bottom of the straw box 9 to turn upwards, the straw box upper cover 15 is opened due to downward inclination, meanwhile, the straight triangular support 10 pulls the limiting square tube I11, the straw box upper cover 15 continues to be opened along with the turning of the straw box 9, the limiting square tube I11 and the limiting square tube II 12 are straightened, when the straw box upper cover 15 is opened to drive the limiting square tube I11 and the limiting square tube II 12 to move upwards until the limiting square tube II 12 interferes with the limiting shaft 14, the straw box upper cover 15 stops being opened, the opening angle of the straw box upper cover 15 is fixed, the bottom of the straw box 9 stops turning upwards, and the peanut straws in the straw box 9 are poured outwards while the bottom of the straw box 9 turns upwards; then the movable ends of the first hydraulic cylinder and the second hydraulic cylinder 31 contract downwards to drive the bottom of the grass box 9 to turn downwards, so that the grass box 9 drives the grass box upper cover 15 to close downwards and restore to the position.
The front side of the grass box upper cover 15 is provided with a straw inlet which is communicated with an air outlet of a grass suction fan 16, a first punching screen 21 is arranged above the straw inlet, the upper part of the first punching screen 21 is fixed at the top of the inner side of the grass box upper cover 15, the bottom of the first punching screen 21 is close to the top of a second punching screen 22, and the second punching screen 22 is arranged at the rear part of the inner cavity of the grass box 9.
During the specific working process, peanut crops enter the threshing structure 1, peanut grains and straws are separated by the threshing structure 1, the peanut grains and sundries fall into the screen surface of the screen box 5 for cleaning, the peanut straws are conveyed backwards into the chopping structure by the threshing structure 1, the throwing blades 20 on the chopping drum 19 of the chopping structure rotate to chop the peanut straws, the chopping drum 19 conveys the chopped peanut straws into the conveying shell 26 while rotating to chop the peanut straws, meanwhile, partial straws falling on the screen surface of the screen box 5 are conveyed to the rear part of the screen box 5 under the action of the screen box 5 and the cleaning fan 4, and partial straws behind the screen box 5 are blown into the conveying shell 26 by the lower air blower 28; peanut straws fall into the bottom of the conveying shell 26 due to gravity, the lower fan 28 can blow the peanut straws at the bottom of the conveying shell 26, meanwhile, the straw suction fan 16 conveys the peanut straws in the conveying shell 26 upwards into the straw box 9, the peanut straws fall into the bottom of the straw box 9 under the action of gravity, airflow in the straw box 9 mixed with straw scraps and dust flows to the airflow channel 23 through the first punching screen plate 21 and the second punching screen plate 22, the airflow filtered by the first punching screen plate 21 and the second punching screen plate 22 is discharged to the rear lower part of the peanut picker through the rear suction fan 24 after the straw scraps and dust mixed in the airflow are filtered by the first punching screen plate 21 and the second punching screen plate 22; when the amount of the peanut straws collected in the straw box 9 reaches the containing amount of the straw box 9, the hydraulic cylinder I and the hydraulic cylinder II 31 are respectively started, the movable ends of the hydraulic cylinder I and the hydraulic cylinder II 31 move upwards to drive the bottom of the straw box 9 to turn upwards, the straw box upper cover 15 is opened due to downward inclination, meanwhile, the straight triangular support 10 pulls the limiting square tube I11, the straw box upper cover 15 is continuously opened along with the turning of the straw box 9, the limiting square tube I11 and the limiting square tube II 12 are straightened, when the straw box upper cover 15 is opened to drive the limiting square tube I11 and the limiting square tube II 12 to move upwards until the limiting square tube II 12 interferes with the limiting shaft 14, the straw box upper cover 15 is stopped to be opened, the opening angle of the straw box upper cover 15 is fixed, the bottom of the straw box 9 is stopped to turn upwards, and the peanut straws in the straw box 9 are poured outwards and recovered while the bottom of the straw box 9 is turned upwards; then the movable ends of the first hydraulic cylinder and the second hydraulic cylinder 31 contract downwards to drive the bottom of the grass box 9 to turn downwards, so that the grass box 9 drives the grass box upper cover 15 to close downwards and restore to the place, and the recovery of the peanut straws is completed.
The chopping structure can chop the threshed peanut straws, the chopped straws are thrown into the conveying shell 26 along with the rotation motion of the chopping structure, the chopped straws are easily conveyed by the straw suction fan 16, the recovery of the peanut straws is convenient, and the situation that the straw suction fan 16 cannot convey the straws into the straw box structure when the weight of the straws is too large due to high straw humidity is avoided; when the straw quality is big the straw is broken by threshing structure 1 easily, the straw after breaking can fall to 5 screen surfaces of sieve case of below through concave sieve 3 of threshing structure 1 below along with peanut fruit grain, threshing structure 1 below is equipped with cleaning fan 4 and sieve case 5 among the prior art, and sieve case 5 rear portion extends to in carrying casing 26, peanut fruit grain and the straw separation that will fall into 5 screen surfaces of sieve case under cleaning fan 4 and sieve case 5 effect, transport the straw to 5 rear of sieve case simultaneously, because lower fan 28 sets up the rear below at sieve case 5, and the inner chamber of casing 26 is carried in lower fan 28 air outlet intercommunication, lower fan 28 carries the straw at sieve case 5 rear in carrying casing 26. The conveyance case 26 is a cylindrical body formed by joining steel plates.

Claims (9)

1. The utility model provides a peanut straw pneumatic conveying retrieves and dust device, includes threshing structure (1), and threshing structure (1) is fixed in frame (2) front portion, its characterized in that: a chopping structure is arranged below the tail part of the threshing structure (1), the rear part of the chopping structure is arranged in the inner cavity of the conveying shell (26), the bottom of the conveying shell (26) is fixed on the frame (2), a lower fan (28) is arranged at the bottom of the rack (2) below the conveying shell (26), an air outlet of the lower fan (28) is communicated with an inner cavity of the conveying shell (26), a straw suction fan (16) is arranged at the upper part of the conveying shell (26), an air outlet of the straw suction fan (16) is communicated with a straw box structure, the straw box structure is arranged at the rear part of the rack (2), a first punching screen plate (21) and a second punching screen plate (22) are arranged at the rear part of the inner cavity of the straw box structure, an airflow channel (23) is formed by the first punching screen plate (21) and the second punching screen plate (22) and the outer wall of the rear part of the straw box structure, the bottom of the airflow channel (23) is communicated with a rear suction fan (24), and the rear suction fan (24) is fixedly connected with the rear part of the rack (2); an air outlet of the grass-stem suction fan (16) is communicated with an inner cavity of the grass box structure at one side of the first punching screen plate (21) and the second punching screen plate (22) which are opposite to the air flow channel (23).
2. The pneumatic conveying, recycling and dust settling device for peanut straws as claimed in claim 1, is characterized in that: the chopping structure comprises a chopping roller (19), a plurality of blades (20) with throwing belts are arranged on the chopping roller (19), two ends of the chopping roller (19) respectively penetrate through mounting plates (6) corresponding to two sides of a rack (2), the bottoms of the mounting plates (6) are fixed on the rack (2), the chopping roller (19) on the outer side of the mounting plates (6) is connected with a driven wheel (7), the driven wheel (7) is connected with a driving wheel (18) through a belt (8), the driving wheel (18) is connected with a gear shaft (17), and the gear shaft (17) is matched with a gear (33) on a rotating shaft (32) of the threshing structure (1) for use.
3. The pneumatic conveying, recycling and dust settling device for peanut straws as claimed in claim 1 or 2, which is characterized in that: an arc-shaped plate (27) is arranged below the chopping structure, and the top of the arc-shaped plate (27) is fixed at the tail part of the concave plate sieve (3) below the threshing structure (1).
4. The pneumatic conveying, recycling and dust settling device for peanut straws as claimed in claim 1, is characterized in that: the straw suction fan (16) adopts a multi-blade centrifugal fan.
5. The pneumatic conveying, recycling and dust settling device for peanut straws as claimed in claim 1, is characterized in that: the grass box structure comprises a grass box (9) and a grass box upper cover (15), the front end and the rear end of the outer wall of one side of the grass box (9) are respectively hinged with a first support (25) and a second support (13), and the bottoms of the first support (25) and the second support (13) are relatively fixed on the rack (2); the upper part of the side wall of the other side of the grass box (9) is hinged with a grass box upper cover (15), a first support (25) is fixedly connected with the bottom of a first hydraulic cylinder through a first lifting lug, the movable end of the first hydraulic cylinder is connected with the front side surface of the grass box (9), a second support (13) is fixedly connected with the bottom of a second hydraulic cylinder (31) through a second lifting lug (30), and the movable end of the second hydraulic cylinder (31) is connected with the rear side surface of the grass box (9).
6. The pneumatic conveying, recycling and dust settling device for peanut straws as claimed in claim 5, is characterized in that: the grass box (9) is hinged with the first support (25) and the second support (13) through a first connecting shaft (35), the first connecting shaft (35) is fixed on the outer wall of one side of the grass box (9), and two ends of the first connecting shaft (35) are hinged with the first support (25) and the second support (13) respectively.
7. The pneumatic conveying, recycling and dust settling device for peanut straws as claimed in claim 5, is characterized in that: the grass box upper cover (15) is hinged with the grass box (9) through a second connecting shaft (34), the second connecting shaft (34) is fixed on the grass box upper cover (15), and two ends of the second connecting shaft (34) are respectively in rotating connection with the fixing plates (29) at the front end and the rear end of the grass box (9).
8. The pneumatic conveying, recycling and dust settling device for peanut straws as claimed in claim 5, is characterized in that: a limiting structure is arranged between the grass box (9) and the grass box upper cover (15), the limiting structure comprises a straight triangular support (10), a horizontal right-angle side of the straight triangular support (10) is fixedly connected with the outer wall of the rear side of the grass box upper cover (15), the lower part of a vertical right-angle side of the straight triangular support (10) is hinged with one end of a first limiting square tube (11), the other end of the first limiting square tube (11) is hinged with one end of a second limiting square tube (12), and the other end of the second limiting square tube (12) is hinged with a second support (13); and a limiting shaft (14) protruding outwards is arranged at the hinged position of the second bracket (13) and the first connecting shaft (35).
9. The pneumatic conveying, recycling and dust settling device for peanut straws as claimed in claim 5, is characterized in that: the straw inlet is arranged on the front side of the grass box upper cover (15), the straw inlet is communicated with an air outlet of a grass suction fan (16), a punching screen plate I (21) is arranged above the straw inlet, the upper part of the punching screen plate I (21) is fixed at the top of the inner side of the grass box upper cover (15), the bottom of the punching screen plate I (21) is close to the top of a punching screen plate II (22), and the punching screen plate II (22) is arranged at the rear part of the inner cavity of the grass box (9).
CN202110655059.4A 2021-06-11 2021-06-11 Peanut straw pneumatic conveying, recycling and dust falling device Pending CN113383646A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110655059.4A CN113383646A (en) 2021-06-11 2021-06-11 Peanut straw pneumatic conveying, recycling and dust falling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110655059.4A CN113383646A (en) 2021-06-11 2021-06-11 Peanut straw pneumatic conveying, recycling and dust falling device

Publications (1)

Publication Number Publication Date
CN113383646A true CN113383646A (en) 2021-09-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110655059.4A Pending CN113383646A (en) 2021-06-11 2021-06-11 Peanut straw pneumatic conveying, recycling and dust falling device

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Country Link
CN (1) CN113383646A (en)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001045845A (en) * 1999-08-06 2001-02-20 Iseki & Co Ltd Working machine
CN202232176U (en) * 2011-08-26 2012-05-30 刘百润 Grain and grass separate charging/discharging mechanism for harvesting corn silage, spikes and stalks
CN203775700U (en) * 2014-04-21 2014-08-20 福田雷沃国际重工股份有限公司 Auxiliary unloading mechanism of ear box of corn harvester and corn harvester capable of harvesting stalks and ears
CN107114051A (en) * 2017-06-15 2017-09-01 山东巨明机械有限公司 Self-propelled harvester for peanut
CN208523223U (en) * 2018-07-16 2019-02-22 常州常发重工科技有限公司 A kind of self-propelled peanut picks up the grass box structure of cropper
CN208850183U (en) * 2018-09-29 2019-05-14 雷沃重工股份有限公司 A kind of seedling vine box cover, seedling vine case and harvester for peanut
CN110024548A (en) * 2019-05-30 2019-07-19 常州常发重工科技有限公司 A kind of harvester for peanut and its throw careless dust-falling mechanism
CN110199656A (en) * 2019-07-15 2019-09-06 郑州中联收获机械有限公司 A kind of cropper grass cutting collection box and harvester for peanut
CN211337981U (en) * 2019-12-02 2020-08-25 于意 Storehouse body promotes tilting mechanism
CN212876729U (en) * 2020-08-06 2021-04-06 河南瑞创通用机械制造有限公司 Self-circulation dust removal device of peanut pickup machine

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001045845A (en) * 1999-08-06 2001-02-20 Iseki & Co Ltd Working machine
CN202232176U (en) * 2011-08-26 2012-05-30 刘百润 Grain and grass separate charging/discharging mechanism for harvesting corn silage, spikes and stalks
CN203775700U (en) * 2014-04-21 2014-08-20 福田雷沃国际重工股份有限公司 Auxiliary unloading mechanism of ear box of corn harvester and corn harvester capable of harvesting stalks and ears
CN107114051A (en) * 2017-06-15 2017-09-01 山东巨明机械有限公司 Self-propelled harvester for peanut
CN208523223U (en) * 2018-07-16 2019-02-22 常州常发重工科技有限公司 A kind of self-propelled peanut picks up the grass box structure of cropper
CN208850183U (en) * 2018-09-29 2019-05-14 雷沃重工股份有限公司 A kind of seedling vine box cover, seedling vine case and harvester for peanut
CN110024548A (en) * 2019-05-30 2019-07-19 常州常发重工科技有限公司 A kind of harvester for peanut and its throw careless dust-falling mechanism
CN110199656A (en) * 2019-07-15 2019-09-06 郑州中联收获机械有限公司 A kind of cropper grass cutting collection box and harvester for peanut
CN211337981U (en) * 2019-12-02 2020-08-25 于意 Storehouse body promotes tilting mechanism
CN212876729U (en) * 2020-08-06 2021-04-06 河南瑞创通用机械制造有限公司 Self-circulation dust removal device of peanut pickup machine

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Application publication date: 20210914