CN110720319A - Corn threshing equipment for agricultural production - Google Patents

Corn threshing equipment for agricultural production Download PDF

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Publication number
CN110720319A
CN110720319A CN201911162858.7A CN201911162858A CN110720319A CN 110720319 A CN110720319 A CN 110720319A CN 201911162858 A CN201911162858 A CN 201911162858A CN 110720319 A CN110720319 A CN 110720319A
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CN
China
Prior art keywords
threshing
corn
screen
agricultural production
box
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911162858.7A
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Chinese (zh)
Inventor
王观林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Fulizhen Agricultural Technology Co Ltd
Original Assignee
Nanjing Fulizhen Agricultural Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanjing Fulizhen Agricultural Technology Co Ltd filed Critical Nanjing Fulizhen Agricultural Technology Co Ltd
Priority to CN201911162858.7A priority Critical patent/CN110720319A/en
Publication of CN110720319A publication Critical patent/CN110720319A/en
Pending legal-status Critical Current

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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
    • A01F11/00Threshing apparatus specially adapted for maize; Threshing apparatus specially adapted for particular crops other than cereals
    • A01F11/06Threshing apparatus specially adapted for maize; Threshing apparatus specially adapted for particular crops other than cereals for maize, e.g. removing kernels from cobs
    • 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
    • A01F12/44Grain 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
    • A01F12/54Arrangements for collecting or removing dust
    • 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
    • A01F12/56Driving mechanisms for the threshing parts

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

Abstract

The invention discloses corn threshing equipment for agricultural production, and belongs to the technical field of agricultural production equipment. The utility model provides a corn threshing equipment for agricultural production, includes the frame, the frame passes through the connecting rod and links to each other with external draw gear, the frame top sets firmly the side shield of symmetric distribution, the threshing box has set firmly between the side shield, the top of threshing box is equipped with the feeder hopper, the bottom of threshing box is equipped with the filter screen that supplies the kernel of corn whereabouts that sets firmly, the bottom of threshing box still sets firmly goes out a grain fill, the shaft wall of threshing roller still sets firmly with the spiral protrusion of thread groove interval distribution, wherein, thread groove and spiral protrusion are all along keeping away from the direction spiral of feeder hopper and go on one another; the threshing roller shafts which are spirally progressive are arranged, so that the corn core rods and the corn kernels can be conveniently separated; through setting up the screen cloth, utilize the sieve of screen cloth to move, realize the separation of the corn core stick after smashing with seed grain to can reach the function of screening to seed grain when threshing.

Description

Corn threshing equipment for agricultural production
Technical Field
The invention relates to the technical field of agricultural production equipment, in particular to corn threshing equipment for agricultural production.
Background
Corn is named as corn, pearl grain, etc., and the gramineous corn belongs to the genus Zea, is native to Central and south America, is cultivated all over the world at present, is an important grain crop and feed crop, is also a crop with the highest total yield all over the world, is known as a long-life food because of containing various nutrient elements such as rich protein, and is also an important industrial raw material. Corn belongs to an annual herbaceous plant.
After the corn is mature, the corn ears growing on the stems of the corn need to be harvested, and threshing operation is carried out after the corn is dried, although the prior art has equipment for mechanically harvesting the corn, for the corn planted in a small range or an area which is difficult to be suitable for large-scale mechanized operation, the method still is common for threshing the harvested corn by adopting the traditional threshing machine, when the traditional threshing machine threshes the corn, broken corn mandrels are often mixed in the threshed corn kernels, so that further screening is carried out after threshing is finished, and the problem that the threshed corn kernels contain more impurities exists.
Disclosure of Invention
The invention aims to solve the problems in the background technology, and provides corn threshing equipment for agricultural production.
In order to achieve the purpose, the invention adopts the following technical scheme:
a corn threshing device for agricultural production comprises a rack, wherein the rack is connected with an external traction device through a connecting rod, symmetrically distributed side baffles are fixedly arranged at the top of the rack, a threshing box is fixedly arranged between the side baffles, a feeding hopper is arranged at the top of the threshing box, a filter screen for corn kernels to fall is fixedly arranged at the bottom of the threshing box, and a corn discharging hopper is fixedly arranged at the bottom of the threshing box; the inner wall of the threshing box is rotatably provided with a plurality of threshing roller shafts distributed at intervals, the outer wall of the threshing box is further provided with a driving device for driving the plurality of threshing roller shafts to rotate, the side wall of each threshing roller shaft is further provided with a thread groove for spiral progressive, the shaft wall of each threshing roller shaft is further fixedly provided with spiral protrusions distributed at intervals with the thread grooves, and the thread grooves and the spiral protrusions are spirally progressive along the direction far away from the feed hopper;
a discharge port is formed in the threshing box in the direction away from the feed hopper, and a bar discharging hopper corresponding to the discharge port is arranged on the side wall of the side baffle;
the side wall of the front end of the rack is further rotatably connected with an adapter plate, the bottom end of the adapter plate is rotatably connected with a screen, the screen is arranged at the bottom end of the discharge hopper, and the side wall of the screen is provided with a reciprocating driving mechanism.
Preferably, the side wall of the rear end of the threshing box is fixedly provided with a blower, and the air outlet end of the blower is connected with a dust collection bag.
Preferably, the driving device comprises a transmission wheel, the transmission wheel is arranged on a shaft wall of the threshing roller shaft outside the threshing box, the transmission wheel is connected through a conveying belt, and the transmission wheel is driven by a power motor.
Preferably, the spiral protrusion is in the shape of a dot block.
Preferably, the reciprocating driving mechanism comprises a motor fixedly arranged at the front end of the rack, a rotating disc rotatably connected to the output end of the motor, and an eccentric rod eccentrically and rotatably connected to the rotating disc, one end of the eccentric rod, far away from the rotating disc, is rotatably connected with a traction rod, and one end of the traction rod, far away from the eccentric rod, is rotatably connected with the side wall of the screen mesh through a rivet.
Preferably, the bottom end of the screen is provided with a discharge flange.
Preferably, the screen is specifically obliquely arranged at the bottom end of the adapter plate, the screen is obliquely upwards arranged, and the upward inclination angle of the screen is 5-10 degrees.
Preferably, the filter screen and the screen are respectively provided with a first leak hole and a second leak hole, and the aperture of the first leak hole is larger than that of the second leak hole.
Compared with the prior art, the invention provides corn threshing equipment for agricultural production, which has the following beneficial effects:
1. the corn threshing equipment for agricultural production is used, the equipment is arranged on an external traction device through a connecting rod, corn cobs to be threshed are placed in a threshing box through a feed hopper at the top of the threshing box, a threshing roller shaft is driven to rotate by a driving device, specifically, a power motor drives a transmission wheel to rotate, the transmission wheel drives a plurality of threshing roller shafts to rotate through a transmission belt, when the threshing roller shaft rotates, the corn cobs entering the threshing box are extruded and rubbed through spiral protrusions on the threshing roller shaft, so that corn grains are separated from the corn cobs, the corn cobs enter from one side of the threshing box, the spiral protrusions spirally advance along the direction far away from the feed hopper, the threshing roller shaft can spirally convey the corn cobs while threshing the corn cobs, the threshed corn cobs are conveyed to the direction of a corn cob discharging hopper and are discharged through the corn discharging hopper, the seed grains obtained by threshing fall onto the filter screen, the seed grains are conveyed out of the threshing box through the seed outlet hopper and fall onto the screen mesh, the reciprocating driving mechanism drives the screen mesh to screen the entering seed grains, specifically, the motor drives the rotating disc to rotate when rotating, the rotating disc further drives the eccentric rod to rotate on the rotating disc, the eccentric rod further intermittently pulls the traction rod, the screen mesh swings along the adapter plate in a small range, the seed grains entering the screen mesh are screened, the full seed grains fall through a second leak hole in the screen mesh, the crushed corn core rods are lighter in weight, and the corn core rods are discharged out of the screen mesh through the flange under the screening of the screen mesh.
2. According to the corn threshing equipment for agricultural production, the blower is fixedly arranged on the side wall of the rear end of the threshing box, and the crushed husks and corn stigma generated during threshing in the threshing box are absorbed into the dust collecting bag by the attraction of the blower.
3. This corn threshing equipment for agricultural production through being equipped with drive arrangement, utilizes motor power to drive the transmission wheel and rotates, and the transmission wheel then drives the rotation of threshing roller through conveyer belt, realizes the processing of threshing to the corn-on-cob through the rotation of threshing roller.
4. This agricultural production is with maize threshing equipment, through setting up reciprocating drive device, utilize the motor to drive the rolling disc and rotate, the rolling disc and then drives the eccentric rod and rotate on the rolling disc, and the eccentric rod and then pulls the screen cloth through the pull rod to reach the effect of sifting the screen cloth, thereby screen the seed grain on the screen cloth, the existence of the row's of screen cloth bottom material flange is convenient for the lighter corn-on-cob piece of weight and is discharged.
5. This corn threshing equipment for agricultural production sets up the bottom at the keysets through inclining the screen cloth, and the screen cloth slope upwards sets up, and the angle scope of screen cloth tilt up is 5-10, and the tilt up of screen cloth minivere sets up to be convenient for plump corn kernel spills through the second small opening on the screen cloth, and the corn cob piece that weight is lighter moves down at the sieve of screen cloth, discharges through arranging the material flange.
The parts which are not involved in the device are the same as or can be realized by adopting the prior art, and the corn cob and kernel separation device is convenient to realize the separation of the corn cobs and the kernels by arranging the threshing roller shafts which are spirally progressive; through setting up the screen cloth, utilize the sieve of screen cloth to move, realize the separation of the corn core stick after smashing with seed grain to can reach the function of screening to seed grain when threshing.
Drawings
FIG. 1 is a schematic view of a corn threshing apparatus for agricultural production according to the present invention;
FIG. 2 is a second schematic view of the corn threshing device for agricultural production according to the present invention;
FIG. 3 is a third schematic view of a corn threshing apparatus for agricultural production according to the present invention;
FIG. 4 is a schematic structural view of a threshing roll shaft of the corn threshing device for agricultural production according to the present invention;
FIG. 5 is a schematic view of a reciprocating driving mechanism and a discharging hopper of a corn threshing device for agricultural production according to the present invention;
fig. 6 is a second schematic structural view of a reciprocating driving mechanism and a grain discharging hopper of the corn threshing device for agricultural production according to the present invention.
In the figure: 1. a frame; 2. a connecting rod; 3. a side dam; 4. a threshing box; 5. a feed hopper; 6. a filter screen; 7. a grain discharging hopper; 8. a threshing roll shaft; 9. a drive device; 10. a thread groove; 11. a spiral protrusion; 12. a rod discharging hopper; 13. an adapter plate; 14. screening a screen; 15. a blower; 16. a transfer wheel; 17. a conveyor belt; 18. a power motor; 19. a motor; 20. rotating the disc; 21. an eccentric rod; 22. a draw bar; 23. a discharge flange.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, 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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1
Referring to fig. 1-6, a corn threshing device for agricultural production comprises a frame 1, wherein the frame 1 is connected with an external traction device through a connecting rod 2, symmetrically distributed side baffles 3 are fixedly arranged at the top of the frame 1, a threshing box 4 is fixedly arranged between the side baffles 3, a feeding hopper 5 is arranged at the top of the threshing box 4, a filter screen 6 for corn kernels to fall down is fixedly arranged at the bottom of the threshing box 4, and a kernel discharging hopper 7 is also fixedly arranged at the bottom of the threshing box 4; a plurality of threshing roller shafts 8 which are distributed at intervals are rotatably arranged on the inner wall of the threshing box 4, a driving device 9 for driving the plurality of threshing roller shafts 8 to rotate is further arranged on the outer wall of the threshing box 4, a spiral progressive thread groove 10 is further arranged on the side wall of each threshing roller shaft 8, spiral protrusions 11 which are distributed at intervals with the thread groove 10 are further fixedly arranged on the shaft wall of each threshing roller shaft 8, and the thread groove 10 and the spiral protrusions 11 are spirally progressive along the direction far away from the feed hopper 5;
a discharge port is formed in the threshing box 4 in the direction away from the feed hopper 5, and a bar discharging hopper 12 corresponding to the discharge port is arranged on the side wall of the side baffle 3;
the side wall of the front end of the rack 1 is also rotatably connected with an adapter plate 13, the bottom end of the adapter plate 13 is rotatably connected with a screen 14, the screen 14 is arranged at the bottom end of the discharge hopper 7, and the side wall of the screen 14 is provided with a reciprocating driving mechanism.
The side wall of the rear end of the threshing box 4 is also fixedly provided with a blower 15, the air outlet end of the blower 15 is connected with a dust bag, and the crushed husks and corn stigma generated during threshing in the threshing box 4 are absorbed into the dust bag by utilizing the attraction of the blower 15.
Drive arrangement 9 includes transmission wheel 16, and transmission wheel 16 sets up arranges the outer axial wall of threshing box 4 in threshing roller 8, links to each other through conveyer 17 between the transmission wheel 16, and transmission wheel 16 passes through the drive of power motor 18, utilizes power motor 18 to drive transmission wheel 16 and rotates, and transmission wheel 16 and then drives threshing roller 8 through conveyer 17 and rotate, and the rotation through threshing roller 8 realizes the processing of threshing to the corn-on-cob.
The spiral protrusion 11 is embodied in the form of a dot block.
The reciprocating driving mechanism comprises a motor 19 fixedly arranged at the front end of the frame 1, a rotating disc 20 rotatably connected to the output end of the motor 19, and an eccentric rod 21 eccentrically and rotatably connected to the rotating disc 20, wherein one end of the eccentric rod 21, which is far away from the rotating disc 20, is rotatably connected with a traction rod 22, and one end of the traction rod 22, which is far away from the eccentric rod 21, is rotatably connected with the side wall of the screen 14 through a rivet;
the bottom end of the screen 14 is provided with a discharging flange 23, the motor 19 is utilized to drive the rotating disc 20 to rotate, the rotating disc 20 further drives the eccentric rod 21 to rotate on the rotating disc 20, the eccentric rod 21 further pulls the screen 14 through the traction rod 22 so as to achieve the effect of screening the screen 14, so that grains on the screen 14 are screened, and the existence of the discharging flange 23 at the bottom end of the screen 14 is convenient for discharging lighter corn cob scraps.
The screen 14 is specifically obliquely arranged at the bottom end of the adapter plate 13, the screen 14 is obliquely upwards arranged, and the upward inclination angle of the screen 14 is 5-10 degrees, so that the plump corn kernels can be conveniently leaked out through the second leakage holes in the screen 14, and the corn cob scraps with lighter weight are discharged through the discharging flange 23 under the sieving action of the screen 14.
The filter screen 6 and the screen 14 are respectively provided with a first leak hole and a second leak hole, and the aperture of the first leak hole is larger than that of the second leak hole, so that the threshed grains are screened by the filter screen 6 and the screen 14 in sequence to obtain grains with better quality.
The working principle is as follows: when in use, the device is arranged on an external traction device through a connecting rod 2, corn cobs to be threshed are placed in a threshing box 4 through a feed hopper 5 at the top of the threshing box 4, a threshing roller shaft 8 is driven to rotate by a driving device 9, specifically, a power motor 18 drives a transmission wheel 16 to rotate, the transmission wheel 16 drives a plurality of threshing roller shafts 8 to rotate through a transmission belt 17, when the threshing roller shaft 8 rotates, the corn cobs entering the threshing box 4 are extruded and rubbed through a spiral bulge 11 on the threshing roller shaft 8, so that corn grains are separated from the corn cobs, as the corn cobs enter from one side of the threshing box 4 and the spiral bulge 11 spirally advances along the direction far away from the feed hopper 5, the threshing roller shaft 8 can spirally convey the corn cobs while threshing the corn cobs, and conveys the threshed corn cobs to a corn outlet hopper 12, the corn kernels are discharged through the kernel discharging hopper 12, the threshed kernels fall onto the filter screen 6 and are conveyed out of the threshing box 4 through the kernel discharging hopper 7 and fall onto the screen 14, the screen 14 is driven to screen the entering kernels under the driving of the reciprocating driving mechanism, specifically, the motor 19 drives the rotating disc 20 to rotate when rotating, the rotating disc 20 further drives the eccentric rod 21 to rotate on the rotating disc 20, the eccentric rod 21 further intermittently pulls the traction rod 22, the screen 14 swings along the adapter plate 13 in a small range, so that the kernels entering the screen 14 are screened, full kernels fall through second leakage holes in the screen 14, and the crushed corn kernels are discharged out of the screen 14 through the discharging flange 23 under the screening of the screen 14 due to light weight.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (8)

1. The corn threshing equipment for agricultural production comprises a rack (1), wherein the rack (1) is connected with an external traction device through a connecting rod (2), and is characterized in that symmetrically-distributed side baffles (3) are fixedly arranged at the top of the rack (1), threshing boxes (4) are fixedly arranged between the side baffles (3), a feeding hopper (5) is arranged at the top of each threshing box (4), a filter screen (6) for corn kernels to fall is fixedly arranged at the bottom of each threshing box (4), and a grain discharging hopper (7) is fixedly arranged at the bottom of each threshing box (4); the inner wall of the threshing box (4) rotates to be provided with a plurality of threshing roller shafts (8) which are distributed at intervals, the outer wall of the threshing box (4) is further provided with a driving device (9) which is used for driving the plurality of threshing roller shafts (8) to rotate, the side wall of each threshing roller shaft (8) is further provided with a spiral progressive thread groove (10), the shaft wall of each threshing roller shaft (8) is further fixedly provided with spiral protrusions (11) which are distributed at intervals with the spiral grooves (10), and the spiral protrusions (11) and the spiral grooves (10) are spirally progressive along the direction of keeping away from the feed hopper (5);
a discharge port is formed in the threshing box (4) in the direction away from the feed hopper (5), and a bar discharging hopper (12) corresponding to the discharge port is arranged on the side wall of the side baffle (3);
the side wall of the front end of the rack (1) is further rotatably connected with an adapter plate (13), the bottom end of the adapter plate (13) is rotatably connected with a screen (14), the screen (14) is arranged at the bottom end of the discharge hopper (12), and the side wall of the screen (14) is provided with a reciprocating driving mechanism.
2. The corn threshing device for agricultural production according to claim 1, wherein a blower (15) is further fixedly arranged on the side wall of the rear end of the threshing box (4), and a dust collection bag is connected to the air outlet end of the blower (15).
3. The corn threshing device for agricultural production according to claim 1, characterized in that the driving device (9) comprises a transmission wheel (16), the transmission wheel (16) is arranged on the shaft wall of the threshing roller shaft (8) outside the threshing box (4), the transmission wheel (16) is connected with the transmission belt (17), and the transmission wheel (16) is driven by the power motor (18).
4. Corn threshing device for agricultural production according to claim 1, characterised in that the spiral projections (11) are embodied as dot-shaped blocks.
5. The corn threshing device for agricultural production according to claim 1, wherein the reciprocating driving mechanism comprises a motor (19) fixedly arranged at the front end of the frame (1), a rotating disc (20) rotatably connected to the output end of the motor (19), and an eccentric rod (21) eccentrically and rotatably connected to the rotating disc (20), a traction rod (22) is rotatably connected to one end, away from the rotating disc (20), of the eccentric rod (21), and one end, away from the eccentric rod (21), of the traction rod (22) is rotatably connected with the side wall of the screen (14) through a rivet.
6. Corn threshing apparatus for agricultural production according to claim 5, characterised in that the bottom end of the sieve (14) is provided with a discharge flange (23).
7. The corn threshing device for agricultural production according to claim 6, characterized in that the screen (14) is specifically arranged at the bottom end of the adapter plate (13) in an inclined manner, the screen (14) is arranged in an inclined manner, and the angle of the upward inclination of the screen (14) is in the range of 5-10 °.
8. The corn threshing device for agricultural production according to claim 1, wherein the filter screen (6) and the screen (14) are respectively provided with a first leak hole and a second leak hole, and the aperture of the first leak hole is larger than that of the second leak hole.
CN201911162858.7A 2019-11-25 2019-11-25 Corn threshing equipment for agricultural production Pending CN110720319A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911162858.7A CN110720319A (en) 2019-11-25 2019-11-25 Corn threshing equipment for agricultural production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911162858.7A CN110720319A (en) 2019-11-25 2019-11-25 Corn threshing equipment for agricultural production

Publications (1)

Publication Number Publication Date
CN110720319A true CN110720319A (en) 2020-01-24

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Application Number Title Priority Date Filing Date
CN201911162858.7A Pending CN110720319A (en) 2019-11-25 2019-11-25 Corn threshing equipment for agricultural production

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111713267A (en) * 2020-07-04 2020-09-29 魏振 Axial-flow type multichannel peanut picker
CN112219565A (en) * 2020-10-21 2021-01-15 刘美燕 Corn threshing and screening device
CN112889486A (en) * 2021-01-20 2021-06-04 袁冰 Rape processing equipment
CN114271108A (en) * 2021-12-20 2022-04-05 济宁市农业科学研究院 Corn breeding thresher

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111713267A (en) * 2020-07-04 2020-09-29 魏振 Axial-flow type multichannel peanut picker
CN112219565A (en) * 2020-10-21 2021-01-15 刘美燕 Corn threshing and screening device
CN112889486A (en) * 2021-01-20 2021-06-04 袁冰 Rape processing equipment
CN112889486B (en) * 2021-01-20 2022-07-22 云南旭众机械设备有限公司 Rape processing equipment
CN114271108A (en) * 2021-12-20 2022-04-05 济宁市农业科学研究院 Corn breeding thresher

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Application publication date: 20200124