CN111837646A - Automatic threshing machine for scientific research and breeding and method thereof - Google Patents

Automatic threshing machine for scientific research and breeding and method thereof Download PDF

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Publication number
CN111837646A
CN111837646A CN202010755448.XA CN202010755448A CN111837646A CN 111837646 A CN111837646 A CN 111837646A CN 202010755448 A CN202010755448 A CN 202010755448A CN 111837646 A CN111837646 A CN 111837646A
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servo motor
threshing
plc
automatic
conveying
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CN111837646B (en
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葛文军
张纯
张燕军
张善文
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Yangzhou University
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Yangzhou University
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
    • A01F7/00—Threshing apparatus
    • A01F7/02—Threshing apparatus with rotating tools
    • A01F7/04—Threshing apparatus with rotating tools with axles transverse to the feeding direction
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
    • A01F12/00—Parts or details of threshing apparatus
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
    • A01F12/00—Parts or details of threshing apparatus
    • A01F12/10—Feeders
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
    • A01F12/00—Parts or details of threshing apparatus
    • A01F12/18—Threshing devices
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
    • A01F12/00—Parts or details of threshing apparatus
    • A01F12/46—Mechanical grain conveyors
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
    • A01F12/00—Parts or details of threshing apparatus
    • A01F12/56—Driving mechanisms for the threshing parts
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
    • A01F12/00—Parts or details of threshing apparatus
    • A01F12/58—Control devices; Brakes; Bearings

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Conveyors (AREA)

Abstract

The invention relates to an automatic threshing machine for scientific research and breeding and a method thereof, and the automatic threshing machine comprises an automatic conveying mechanism, a threshing mechanism, a cleaning mechanism, an intelligent conveying mechanism and an automatic packaging mechanism, wherein the automatic conveying mechanism is arranged above the threshing mechanism and is right opposite to a feeding port of the threshing mechanism; the automatic conveying mechanism comprises a conveying chain and a first servo motor, a power output shaft of the first servo motor is connected with the conveying chain in a transmission manner, and the conveying chain is controlled by the first servo motor; the conveying chain is provided with a plurality of hooks which are distributed at intervals, and the hooks can correspond to the center of a feeding opening of the threshing mechanism by rotating the conveying chain; by the invention, the threshed seeds can be automatically, accurately and quickly collected.

Description

Automatic threshing machine for scientific research and breeding and method thereof
Technical Field
The invention relates to threshing equipment used for scientific research and breeding, in particular to an automatic threshing machine and a method thereof used for scientific research and breeding, and belongs to the technical field of intelligent agriculture.
Background
With the development of agricultural science and technology, the requirements on seeds in agricultural scientific research breeding are higher and higher, for example, the requirements on completeness, cleanness, other residues and no mixing of each rice seed and each wheat seed in the breeding and threshing process of rice and wheat are very strict; otherwise, the purity, germination rate, emergence rate and the like of the seeds are affected, and breeding experimental data are distorted. In the scientific research and breeding process, the seed ears of each plant must be threshed and bagged, and then the information of number, label quantity and weight is necessary, but the skilled personnel are not enough in busy seasons, and the main contradiction is to be solved: the skilled person is occupied when the skilled person is not enough to use the work of numbering, quantity marking, weight marking and the like.
The existing seed threshing mechanical equipment adopts manual feeding, seeds are manually collected after threshing and placed into paper bags for numbering, then the weight and the counting number are obtained, so that a lot of manpower resources are occupied, the speed is slow, the main contradiction of busy seasons cannot be solved, and a novel threshing machine with high automation and intelligent degree must be developed.
Disclosure of Invention
The invention aims to solve the existing problems and provides an automatic threshing machine for scientific research and breeding and a method thereof.
The invention aims to realize the purpose, and the automatic threshing machine for scientific research and breeding comprises an automatic conveying mechanism, a threshing mechanism, a cleaning mechanism, an intelligent conveying mechanism and an automatic packaging mechanism, and is characterized in that the automatic conveying mechanism is arranged above the threshing mechanism and is over against a feeding port of the threshing mechanism, the threshing mechanism is communicated with the cleaning mechanism through a channel, a dustpan hopper is arranged below the cleaning mechanism, the intelligent conveying mechanism is arranged under the dustpan hopper, and the tail end of a conveying belt of the conveying belt in the intelligent conveying mechanism is connected with the automatic packaging mechanism;
the automatic conveying mechanism comprises a conveying chain and a first servo motor, a power output shaft of the first servo motor is connected with the conveying chain in a transmission manner, and the conveying chain is controlled by the first servo motor; the conveying chain is provided with a plurality of hooks which are distributed at intervals, and the hooks can correspond to the center of a feeding opening of the threshing mechanism by rotating the conveying chain;
the threshing mechanism comprises a second servo motor, a threshing disc and a threshing machine shell, a threshing cavity is arranged in the threshing machine shell, the threshing disc is arranged in the threshing cavity, a power output shaft of the second servo motor is in transmission connection with the threshing disc, and the threshing disc rotates along with the rotation of the power output shaft of the second servo motor; a feeding port is arranged on the threshing machine shell opposite to the hook on the conveying chain, and the feeding port is upward and downward inclined;
the cleaning mechanism comprises an air channel, a dustpan hopper is arranged outside the lower part of the air channel, and a threshing cavity of the threshing mechanism is communicated with the air channel of the cleaning mechanism through a channel;
the intelligent conveying mechanism comprises a third servo motor, a conveying belt, a collection box and a moving device, wherein a power output shaft of the third servo motor is in transmission connection with the conveying belt, the third servo motor controls the conveying belt to rotate, the collection boxes are bonded on the conveying belt at intervals, a light sensing counter, an electronic weighing machine and a wireless transmitter are arranged at the bottom of each collection box, and the tail end of the conveying belt is connected with the automatic packaging mechanism;
the automatic packaging mechanism comprises a coding machine and an automatic packaging machine;
a moving device is arranged in the transverse direction of the conveyor belt and is in transmission connection with a power output shaft of a fourth servo motor, and the power output shaft of the fourth servo motor rotates to drive the moving device to move along the transverse direction of the conveyor belt, so that the conveyor belt is driven to move in the transverse direction;
the automatic packaging machine is characterized by further comprising a PLC, a wireless receiver is arranged in the PLC, and the first servo motor, the second servo motor, the third servo motor, the fourth servo motor, the light sensation counter, the electronic weighing device, the wireless transmitter, the wireless receiver, the coding machine and the automatic packaging machine are connected with the PLC.
The feeding opening is upward and downward inclined by a set angle beta, and beta = 30-45 degrees.
And the fourth servo motor controls the whole conveyor belt to move transversely at different speeds.
The material of collecting the box is transparent smooth plate, and the vertical both sides of collecting the box are chain structure.
A use method of an automatic threshing machine for scientific research and breeding is characterized by comprising the following steps:
firstly, inputting a debugged running operation program into a PLC program controller; starting a PLC (programmable logic controller) to hang each wheat seed ear on a hook of the conveying chain, and starting a first servo motor by the PLC to control a power output shaft of the first servo motor to rotate so as to control the conveying chain to run; when a seed ear enters from the inclined feeding port, the PLC controls the first servo motor to enable the conveying chain to stay for a set time, and the seed ear is threshed under the action of the threshing disc controlled by the second servo motor to form seed grains.
Secondly, the threshed seeds enter a cleaning mechanism from a channel, and the seeds are cleaned by an air channel and then slide into a collecting box of the intelligent conveying mechanism from a dustpan hopper;
thirdly, the PLC controls a light sensation counter and an electronic weighing machine at the bottom of the collecting box to work, the sensed seed quantity and weight are sent through a wireless transmitter, and a wireless receiver in the PLC receives and transmits the information to the PLC;
fourthly, the PLC controls a fourth servo motor to work, the whole conveyor belt moves transversely at different speeds, and finally returns to the initial position; the PLC controls a light-sensitive counter and an electronic weighing machine at the bottom of the collecting box to work, the sensed seed quantity and weight are sent by a wireless transmitter, and a wireless receiver in the PLC receives the information again and transmits the information to the PLC;
fifthly, the PLC performs average processing on the seed quantity and weight data obtained twice and then stores the processed data;
sixthly, the PLC controls a third servo motor to work to enable the conveyor belt to operate, the seed collecting box is moved to the position of the tail end of the conveyor belt, meanwhile, the PLC controls the coding machine to code the number, the weight and the serial number of the seeds on the packaging bags, and after the coding is finished, the automatic packaging mechanism opens the packaging bags with the seed information; at the moment, the seed receiving box just reaches the automatic packaging mechanism;
seventhly, the PLC controls the conveyor belt to continuously operate, so that the seed receiving box reversely operates downwards, and meanwhile, the seeds are poured into the packaging bag;
and step eight, the PLC controls the transmission chain to move forwards to perform the automatic threshing, counting, weighing, numbering and packaging of the next seed ear.
The invention has reasonable structure and convenient use, and provides an automatic thresher for scientific research and breeding and a method thereof aiming at the defects and shortcomings of the existing separation mechanical technology, in particular to the automatic collection and automatic numbering of seed information (weight and quantity) after threshing of rice seeds and wheat seeds. The threshing and collecting device provides guarantee for automation and intelligent precision of work from feeding to seed collection in later periods in scientific research and breeding processes, solves the main contradiction that skilled personnel are not enough in busy seasons, and saves human resources. The invention realizes that each seed ear is automatically and uninterruptedly sent into a threshing machine during threshing, the threshed seeds are automatically, accurately and quickly collected, the collected seeds are automatically weighed, counted and marked by codes, and the use summary and multiple improvements of a front-line experimenter are carried out, so that the using effect is very good.
Drawings
Fig. 1 is a perspective view of the present invention.
FIG. 2 is a front view of the present invention.
Fig. 3 is an enlarged schematic view of the mobile device of the present invention.
In the figure, a cleaning mechanism 1, an air channel 2, a dustpan hopper 3, a channel 4, a moving device 5, a fourth servo motor 6, an intelligent conveying mechanism 7, a conveying belt end 8, a third servo motor 9, a seed collecting box 10, a conveying belt 11, a collecting box longitudinal two sides 12, a PLC (programmable logic controller) 13, a threshing mechanism 14, a feeding opening 15, a second servo motor 16, a hook 17, a conveying chain 18, an automatic conveying mechanism 19 and a first servo motor 20 are arranged.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments.
An automatic threshing machine for scientific research and breeding comprises an automatic conveying mechanism 19, a threshing mechanism 14, a cleaning mechanism 1, an intelligent conveying mechanism 7 and an automatic packaging mechanism, wherein the automatic conveying mechanism is installed above the threshing mechanism 14 and is right opposite to a feeding port of the threshing mechanism 14, the threshing mechanism 14 is communicated with the cleaning mechanism 1 through a channel 4, a dustpan hopper 3 is arranged below the cleaning mechanism 1, the intelligent conveying mechanism 7 is arranged under the dustpan hopper 3, and the tail end 8 of a conveying belt of the conveying belt in the intelligent conveying mechanism 7 is connected with the automatic packaging mechanism;
the automatic transmission mechanism comprises a transmission chain 18 and a first servo motor 20, wherein a power output shaft of the first servo motor 20 is in transmission connection with the transmission chain 18, and the transmission chain 18 is controlled by the first servo motor 20; a plurality of hooks 17 distributed at intervals are arranged on the conveying chain 18, the conveying chain 18 is rotated, and the hooks 17 can correspond to the center of a feeding opening of the threshing mechanism 14;
the threshing mechanism 14 comprises a second servo motor 16, a threshing disc and a threshing shell, a threshing cavity is arranged in the threshing shell, the threshing disc is arranged in the threshing cavity, a power output shaft of the second servo motor 16 is in transmission connection with the threshing disc, and the threshing disc rotates along with the rotation of the power output shaft of the second servo motor 16; a feeding port 15 is arranged on the threshing machine shell opposite to a hook 17 on a conveying chain 18, and the feeding port 15 is upward and downward inclined;
the cleaning mechanism 1 comprises an air duct 2, a dustpan hopper 3 is arranged outside the lower part of the air duct 2, and a threshing cavity of the threshing mechanism 14 is communicated with the air duct 2 of the cleaning mechanism 1 through a channel 4, so that the threshing cavity is communicated with the air duct 2;
the intelligent conveying mechanism 7 comprises a third servo motor 9, a conveying belt 11, collecting boxes 10 and a moving device 5, a power output shaft of the third servo motor 9 is in transmission connection with the conveying belt 11, the third servo motor 9 controls the conveying belt 11 to rotate, the conveying belt 11 is provided with the collecting boxes 10 in an adhering mode at intervals, the bottoms of the collecting boxes 10 are provided with a light-sensitive counter, an electronic weighing device and a wireless transmitter, and the tail end 8 of the conveying belt is connected with an automatic packaging mechanism;
the automatic packaging mechanism comprises a coding machine and an automatic packaging machine;
a moving device 5 is arranged in the transverse direction of the conveyor belt 11, the moving device 5 is in transmission connection with a power output shaft of a fourth servo motor 6, and the rotation of the power output shaft of the fourth servo motor 6 drives the moving device 5 to move along the transverse direction of the conveyor belt 11, so that the conveyor belt 11 is driven to move in the transverse direction;
the automatic packaging machine is further provided with a PLC (programmable logic controller) 13, a wireless receiver is arranged in the PLC 13, and a first servo motor 20, a second servo motor 16, a third servo motor 9, a fourth servo motor 6, a light sensation counter, an electronic weighing device, a wireless transmitter, a wireless receiver, a coding machine and an automatic packaging machine are connected with the PLC 13.
Further, the feeding port 15 is inclined upward and downward by a set angle β. The fourth servo motor 6 controls the whole conveyor belt 11 to move transversely at different speeds. The collecting box 10 is made of transparent smooth plate materials, and the longitudinal two sides 12 of the collecting box 10 are in chain structures.
When in use, the method comprises the following steps:
firstly, inputting a debugged running operation program into a PLC (programmable logic controller) 13; starting the PLC 13 to hang each wheat seed ear on a hook 17 of the transmission chain 18, and starting the first servo motor 20 by the PLC 13 to control the power output shaft of the first servo motor 20 to rotate so as to control the transmission chain 18 to run; when a seed ear enters from the inclined feeding opening 15, the PLC 13 controls the first servo motor 20 to make the transmission chain 18 stay for several seconds (set time), and the seed ear is threshed under the action of the threshing disc controlled by the second servo motor 16 to form seed grains.
Secondly, the threshed seeds enter the cleaning mechanism 1 from the channel 4, and the seeds are cleaned by the air channel 2 and then slide into the collecting box 10 of the intelligent conveying mechanism 7 from the dustpan hopper 3;
thirdly, the PLC 13 controls a light sensing counter and an electronic weighing machine at the bottom of the collecting box 10 to work, the sensed seed quantity and weight are sent by a wireless transmitter, and a wireless receiver in the PLC 13 receives and transmits the information to the PLC 13;
fourthly, the PLC 13 controls the fourth servo motor 6 to work, the whole conveyor belt 11 transversely moves at different speeds, and finally returns to the initial position; the PLC 13 controls the light-sensitive counter and the electronic weighing machine at the bottom of the collecting box 10 to work, the sensed seed quantity and weight are sent by the wireless transmitter, and the wireless receiver in the PLC 13 receives the information again and transmits the information to the PLC 13;
fifthly, the PLC 13 performs average processing on the seed quantity and weight data obtained twice and then stores the processed data;
sixthly, the PLC 13 controls the third servo motor 9 to work, so that the conveyor belt 11 runs, the seed receiving box 10 is moved to the position of the tail end 8 of the conveyor belt 11, meanwhile, the PLC 13 controls the coding machine to code the number, the weight and the serial number of the seeds on the packaging bags, and after the coding is finished, the automatic packaging mechanism opens the packaging bags with the seed information; at this time, the seed receiving box 10 just reaches the automatic packaging mechanism;
seventhly, the PLC 13 controls the conveyor belt 11 to continue to operate, so that the seed receiving box 10 reversely operates downwards, and meanwhile, the seeds are poured into the packaging bag;
and step eight, the PLC 13 controls the transmission chain 18 to move forwards to perform the work of automatic threshing, counting, weighing, numbering and packaging of the next seed ear.
In the using process, only the seed ears need to be hung on the hooks 17 of the conveying chain 18 manually, all the other operations are automatically carried out, each seed ear is automatically and uninterruptedly sent into a threshing machine, the threshing is automatically carried out, the seeds are automatically, accurately and quickly collected after threshing, the collected seed information is marked, and finally, the seeds are automatically packaged. The main contradiction that skilled personnel are not enough in busy seasons is solved, and manpower resources are saved. Through the use of first-line experimenters, the effect is very good.
As shown in fig. 1 and 2, an automatic thresher for scientific research and breeding comprises an automatic conveying mechanism 19, a threshing mechanism 14, a cleaning mechanism 1, an intelligent conveying mechanism 12 and an automatic packaging mechanism, wherein the automatic conveying mechanism 19 is arranged above the threshing mechanism 14 and is opposite to a feeding port 15 of the threshing mechanism 14, the threshing mechanism 14 is communicated with the cleaning mechanism 1 through a channel 4, a dustpan hopper 3 is arranged below the cleaning mechanism 1, the intelligent conveying mechanism 7 is arranged right below the dustpan hopper 3, and the tail end of a conveying belt 11 in the intelligent conveying mechanism 7 is connected with the automatic packaging mechanism;
the automatic conveying mechanism 19 comprises a conveying chain 18 controlled by a first servo motor 20, hooks 17 are arranged on the conveying chain 18 at intervals around the circumference, and the hooks 17 correspond to the center of the feeding port 15 of the threshing mechanism 14;
the threshing mechanism 14 comprises a second servo motor control 16 and a threshing disc, a feeding opening 15 is arranged at a position right facing a hook 17 of a conveying chain 18, the feeding opening 15 faces upwards and inclines downwards at a certain angle beta, the threshed seeds enter the cleaning mechanism 1 through a channel 4, the cleaning mechanism 1 is composed of an air channel 2, a dustpan hopper 3 is arranged outside the lower part of the air channel 2, and the cleaned seeds slide into a collecting box 10 of the intelligent conveying mechanism 7 from the dustpan hopper 3;
the intelligent conveying mechanism 7 comprises a third servo motor 9, a conveying belt 11, a collecting box 10 and a moving device 5; third servo motor 19 control conveyer belt 11 rotates, bonds at certain position at conveyer belt 11 interval and sets up a plurality of collection boxes 10, and conveyer belt 11 end 8 links up with automatic packaging machine, automatic packaging machine comprises coding machine and automatic packaging machine, and the horizontal direction of conveyer belt 11 is equipped with mobile device 5. The moving device 5 is a device which controls the fourth servo motor 6 to move the whole conveyor belt 11 transversely at unequal speeds; the collecting box 10 is made of a transparent smooth plate, the bottom of the collecting box 10 is provided with a light sensation counter, an electronic weighing device and a wireless transmitter, and the longitudinal two sides 12 of the collecting box 10 are in a chain structure; the feeding port 15 is inclined downwards by an angle beta = 30-45 degrees; a wireless receiver is arranged in the PLC 13; the first servo motor 20, the second servo motor 16, the third servo motor 9, the fourth servo motor control 6, the light sensing counter, the electronic weighing device, the wireless transmitter, the wireless receiver, the code printer and the automatic packaging machine are connected with the PLC 13.

Claims (5)

1. An automatic threshing machine for scientific research and breeding comprises an automatic conveying mechanism (19), a threshing mechanism (14), a cleaning mechanism (1), an intelligent conveying mechanism (7) and an automatic packaging mechanism, and is characterized in that the automatic conveying mechanism is installed above the threshing mechanism (14) and is just opposite to a feeding port of the threshing mechanism (14), the threshing mechanism (14) is communicated with the cleaning mechanism (1) through a channel (4), a dustpan hopper (3) is arranged below the cleaning mechanism (1), the intelligent conveying mechanism (7) is arranged right below the dustpan hopper (3), and the tail end (8) of a conveying belt in the intelligent conveying mechanism (7) is connected with the automatic packaging mechanism;
the automatic transmission mechanism comprises a transmission chain (18) and a first servo motor (20), a power output shaft of the first servo motor (20) is in transmission connection with the transmission chain (18), and the transmission chain (18) is controlled by the first servo motor (20); a plurality of hooks (17) distributed at intervals are arranged on the conveying chain (18), the conveying chain (18) is rotated, and the hooks (17) can correspond to the center of a feeding opening of the threshing mechanism (14);
the threshing mechanism (14) comprises a second servo motor (16), a threshing disc and a threshing shell, a threshing cavity is arranged in the threshing shell, the threshing disc is arranged in the threshing cavity, a power output shaft of the second servo motor (16) is in transmission connection with the threshing disc, and the threshing disc rotates along with the rotation of the power output shaft of the second servo motor (16); a feeding port (15) is arranged on the threshing machine shell and is opposite to a hook (17) on a conveying chain (18), and the feeding port (15) is upward and downward inclined;
the cleaning mechanism (1) comprises an air duct (2), a dustpan hopper (3) is arranged outside the lower part of the air duct (2), and a threshing cavity of the threshing mechanism (14) is communicated with the air duct (2) of the cleaning mechanism (1) through a channel (4);
the intelligent conveying mechanism (7) comprises a third servo motor (9), a conveying belt (11), a collecting box (10) and a moving device (5), a power output shaft of the third servo motor (9) is in transmission connection with the conveying belt (11), the third servo motor (9) controls the conveying belt (11) to rotate, a plurality of collecting boxes (10) are arranged on the conveying belt (11) in a bonding mode at intervals, a light sensing counter, an electronic weighing machine and a wireless transmitter are arranged at the bottom of each collecting box (10), and the tail end (8) of the conveying belt is connected with an automatic packaging mechanism;
the automatic packaging mechanism comprises a coding machine and an automatic packaging machine;
a moving device (5) is arranged in the transverse direction of the conveyor belt (11), the moving device (5) is in transmission connection with a power output shaft of a fourth servo motor (6), and the rotation of the power output shaft of the fourth servo motor (6) drives the moving device (5) to move along the transverse direction of the conveyor belt (11), so that the conveyor belt (11) is driven to move in the transverse direction;
still be equipped with PLC program controller (13), be equipped with wireless receiver in PLC program controller (13), first servo motor (20), second servo motor (16), third servo motor (9), fourth servo motor (6), light sense counter, electronic weighing machine, wireless transmitter, wireless receiver, beat the ink recorder, automatic packaging machine are connected with PLC program controller (13).
2. The automatic thresher for scientific research and breeding according to claim 1, wherein the feeding opening (15) is upward and downward inclined at a set angle β, β = 30-45 °.
3. The automatic thresher of claim 1, wherein the fourth servo motor (6) controls the whole conveyor belt (11) to move transversely at different speeds.
4. The automatic thresher of claim 1, wherein the collecting box (10) is made of transparent smooth plate material, and both longitudinal sides (12) of the collecting box (10) are in a chain structure.
5. The use method of the automatic thresher for scientific research and breeding as claimed in any one of claims 1 to 4, which is characterized by comprising the following steps:
firstly, inputting a debugged running operation program into a PLC (programmable logic controller) (13); starting a PLC (programmable logic controller) (13), hanging each wheat seed ear on a hook (17) of a transmission chain (18), starting a first servo motor (20) by the PLC (13), and controlling a power output shaft of the first servo motor (20) to rotate so as to control the transmission chain (18) to run; after a seed ear enters from an inclined feeding opening (15), a PLC (programmable logic controller) (13) controls a first servo motor (20) to enable a conveying chain (18) to stay for a set time, and the seed ear is threshed under the action of a threshing disc controlled by a second servo motor (16) to form seed grains;
secondly, the threshed seeds enter the cleaning mechanism (1) from the channel (4), and the seeds slide into a collecting box (10) of the intelligent conveying mechanism (7) from the dustpan hopper (3) after being cleaned by the air duct (2);
thirdly, the PLC (13) controls a light sensing counter and an electronic weighing machine at the bottom of the collecting box (10) to work, the sensed seed quantity and weight are sent by a wireless transmitter, and a wireless receiver in the PLC (13) receives and transmits the information to the PLC (13);
fourthly, the PLC (13) controls a fourth servo motor (6) to work, the whole conveyor belt (11) moves transversely at different speeds, and finally the conveyor belt returns to the initial position; the PLC (13) controls a light-sensitive counter and an electronic weighing machine at the bottom of the collecting box (10) to work, the sensed seed quantity and weight are sent by a wireless transmitter, and a wireless receiver in the PLC (13) receives the information again and transmits the information to the PLC (13);
fifthly, the PLC (13) performs average processing on the seed quantity and the weight data obtained twice and then stores the processed data;
sixthly, the PLC (13) controls a third servo motor (9) to work, so that the conveyor belt (11) runs, the seed receiving box (10) is moved to the position of the tail end (8) of the conveyor belt (11), meanwhile, the PLC (13) controls the coding machine to code the number, weight and serial numbers of the seeds on the packaging bags, and after the coding is finished, the automatic packaging mechanism opens the packaging bags with the seed information; at the moment, the seed receiving box (10) just reaches the automatic packaging mechanism;
seventhly, the PLC (13) controls the conveyor belt (11) to continue to operate, so that the seed receiving box (10) reversely operates downwards, and meanwhile, the seeds are poured into the packaging bag;
and step eight, the PLC (13) controls the transmission chain (18) to move forwards to perform the work of automatic threshing, counting, weighing, numbering and packaging of the next seed ear.
CN202010755448.XA 2020-07-31 2020-07-31 Automatic threshing machine for scientific research and breeding and method thereof Active CN111837646B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113575135A (en) * 2021-07-29 2021-11-02 山东省农业科学院作物研究所 Automatic change wheat thresher

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