CN211881081U

CN211881081U - Threshing device of harvester

Info

Publication number: CN211881081U
Application number: CN202020361577.6U
Authority: CN
Inventors: 吴晓伟; 张炜
Original assignee: Anhui Zhongke Intelligent Sensing Industry Technology Research Institute Co ltd
Current assignee: Anhui Zhongke Intelligent Sensing Industry Technology Research Institute Co ltd
Priority date: 2020-03-20
Filing date: 2020-03-20
Publication date: 2020-11-10
Anticipated expiration: 2030-03-20

Abstract

The utility model discloses a harvester threshing device, which comprises a conveying feeding mechanism and a threshing bin, wherein a nail-tooth roller is arranged inside the threshing bin, the nail-tooth roller is driven to rotate by a first power mechanism, a discharge port and a slag discharge port are arranged on the threshing bin, a chopping mechanism is arranged on the conveying feeding mechanism, a turnover drying mechanism is arranged between the conveying feeding mechanism and the threshing bin, one side of the discharge port is provided with a dust raising device, and the turnover drying mechanism is connected with the dust raising device through a discharge pipe; upset stoving mechanism is including a stoving section of thick bamboo, and the center of a stoving section of thick bamboo is provided with the pivot of admitting air, and the pivot of admitting air passes through the drive of second power unit and rotates, is provided with a plurality of jet ports towards the inside steam-jetting of a stoving section of thick bamboo in the pivot of admitting air, and the lateral wall annular array of the pivot of admitting air has a plurality of frying boards, and the lower extreme of a stoving section of thick bamboo still is provided with the guide passageway of connecting threshing warehouse upper end, and the lateral wall at a stoving section of thick bamboo is connected to the end of giving vent.

Description

Threshing device of harvester

Technical Field

The utility model relates to an agricultural machinery technical field, concretely relates to harvester thresher.

Background

The application of the modern machinery in the field improves the efficiency of agricultural operation of farmers. The harvester is an integrated machine for harvesting crops. The harvesting and threshing are completed at one time, the grains are collected in a storage bin, then the grains are conveyed to a transport vehicle through a conveying belt, the grains can also be harvested manually, the straws of the crops such as rice, wheat and the like are laid in the field, and then the grains are picked up and threshed by a grain harvesting machine. A crop harvesting machine for harvesting grain crop seeds and straws of rice, wheat and the like. Including harvesters, windrowers, reapers, grain combine harvesters, grain threshing machines, and the like. Grain harvesting machines have been developed based on various harvesting and threshing tools.

After some crops, such as rice, rape and the like are harvested, the crops are aired for a period of time, and the harvester is used for stripping straws and seeds. However, the existing threshing device of the harvester has the following defects: in the airing process of crops, straws at the bottom are not directly irradiated by sunlight or are wetted by dew in the morning because the straws are close to the ground, so that the phenomenon of incomplete grain stripping is easy to occur.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a threshing device of a harvester, which aims to solve the defects in the prior art.

A threshing device of a harvester comprises a conveying and feeding mechanism and a threshing bin, wherein a nail tooth roller is arranged inside the threshing bin and is driven to rotate by a first power mechanism, a discharge hole and a slag discharge hole are formed in the threshing bin, a material chopping mechanism is arranged on the conveying and feeding mechanism, a turnover drying mechanism is arranged between the conveying and feeding mechanism and the threshing bin, a dust raising device is arranged on one side of the discharge hole, and the turnover drying mechanism is connected with the dust raising device through an exhaust pipe;

upset stoving mechanism includes a stoving section of thick bamboo, the center of a stoving section of thick bamboo is provided with the pivot of admitting air, the pivot of admitting air is rotated through the drive of second power unit, is provided with a plurality of court in the pivot of admitting air the inside jet orifice of spouting steam of a stoving section of thick bamboo, the lateral wall annular array of the pivot of admitting air has a plurality of frying boards, the lower extreme of a stoving section of thick bamboo still is provided with the guide passageway of connecting threshing warehouse upper end, and the end of giving vent to anger of blast pipe is connected the lateral wall of a stoving section of.

Preferably, the material chopping mechanism comprises a cutter rest suspended above the conveying and feeding mechanism, the cutter rest is pushed by an electric push rod to move up and down, a cutter is mounted on the cutter rest, and cutter seats matched with the cutter are arranged on two sides of the conveying and feeding mechanism.

Preferably, the first power mechanism comprises a first belt pulley arranged at the end part of a roller shaft of the spike-tooth roller, and the first belt pulley is driven to rotate by a motor; the second power mechanism comprises a second belt pulley sleeved at the end part of the air inlet rotating shaft through a bearing, and the second belt pulley is connected with the first belt pulley through a belt.

Preferably, the conveying and feeding mechanism comprises a conveying belt, a feeding hole is formed above the front section of the conveying belt, the material chopping mechanism is arranged at the rear section of the conveying belt, a feeding groove is formed above the drying cylinder at the conveying end of the conveying belt, and a baffle is arranged on one side, away from the conveying belt, of the notch of the feeding groove.

Preferably, a one-way filtering gasket is laid on the surface of the air jet.

The utility model has the advantages of as follows:

the utility model arranges the overturning drying mechanism above the original threshing bin, dries the crops before entering the threshing bin, cuts off the crops before entering the overturning drying mechanism, and overturns the crops continuously in the drying process, thereby improving the drying efficiency, keeping the crops entering the threshing bin to be threshed dry and being beneficial to improving the threshing efficiency; and the high-temperature waste gas after the crops are dried is further used for raising dust of the fines on the surfaces of the crop particle seeds, so that the purity of the threshing product is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic sectional structure of the present invention;

fig. 3 is the internal structure schematic diagram of the turnover drying mechanism of the utility model.

In the figure:

1-a conveying and feeding mechanism; 2-a threshing bin; 3-a material chopping mechanism; 4-turning over the drying mechanism; 5-an exhaust pipe; 6-ash lifting device; 8-a first power mechanism; 10-a discharge hole; 20-a slag discharge port;

101-a conveyor belt; 102-a feed inlet;

301-tool holder; 302-an electric push rod; 303-a cutting knife; 304-a tool apron;

401-drying cylinder; 402-an air inlet rotating shaft; 403-a second power mechanism; 404-an air jet; 405-stir-frying the plate; 406-a material guide channel; 407-a feed chute; 408-a baffle; 409-one-way filter pad; 410-a bearing; 411-a second pulley; 412-a belt;

801-a first pulley; 802-electric machine.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1 to 3, the utility model provides a threshing device of a harvester, which has high threshing efficiency.

This thresher includes conveying feed mechanism 1 and threshing warehouse 2, threshing warehouse 2's inside is provided with spike-tooth roller (not shown in the figure), the spike-tooth roller is rotatory through the drive of first power unit 8, threshing warehouse 2 is last to be provided with discharge gate 10 and row's cinder notch 20, its characterized in that: the conveying and feeding mechanism 1 is provided with a material chopping mechanism 3, an overturning and drying mechanism 4 is arranged between the conveying and feeding mechanism 1 and the threshing bin 2, one side of the discharge port 10 is provided with an ash lifting device 6, and the overturning and drying mechanism 4 is connected with the ash lifting device 6 through an exhaust pipe 5.

Wherein, the overturning drying mechanism 4 is used for rotary drying of the cut crops, can remove residual moisture in the straws and improves the threshing efficiency of the crops in the later period. Specifically, the method comprises the following steps:

upset stoving mechanism 4 includes a stoving section of thick bamboo 401, stoving section of thick bamboo 401's center is provided with the pivot 402 of admitting air, the pivot 402 of admitting air passes through the drive of second power unit 403 and rotates, is provided with a plurality of court in the pivot 402 of admitting air the inside jet 404 of steam-jetting of stoving section of thick bamboo 401, the lateral wall annular array of the pivot 402 of admitting air has a plurality of fried boards 405, the lower extreme of stoving section of thick bamboo 401 still is provided with the guide passageway 406 of connecting threshing warehouse 2 upper end, and the end of giving vent to anger of blast pipe 5 is connected the lateral wall of stoving section of thick bamboo.

The surface of the air jet 404 is paved with a one-way filtering gasket 409. The function of the one-way filter gasket 409 is to prevent the debris in the drum 401 from entering the inside of the air inlet rotary shaft 402 through the air outlet 404 and to allow the hot air inside the air inlet rotary shaft 402 to penetrate through the one-way filter gasket 409 and enter the drum 401, so as to dry the crops in the drum 401.

Wherein, the conveying and feeding mechanism 1 is used for conveying crops needing threshing. Specifically, the method comprises the following steps:

the conveying and feeding mechanism 1 comprises a conveyor belt 101, a feeding hole 102 is arranged above the front section of the conveyor belt 101, the chopping mechanism 3 is arranged at the rear section of the conveyor belt 101, a feeding groove 407 is formed above the drying cylinder 401 at the conveying end of the conveyor belt 101, and a baffle 408 is arranged on one side of the notch of the feeding groove 407, which is far away from the conveyor belt 101.

The crop is fed from the feeding port 102 of the conveyor 101, conveyed by the conveyor 101 to the lower part of the chopping mechanism 3, cut into small pieces, and then dropped into the drying cylinder 401 from the feeding slot 407 at the conveying end of the conveyor 101. The function of the baffle 408 is to guide the movement locus of the crop.

Wherein, the material cutting mechanism 3 is used for cutting the crop straw in sections, and is favorable for improving the drying efficiency of the crop straw in the later period. Specifically, the method comprises the following steps: the material chopping mechanism 3 comprises a cutter frame 301 suspended above the conveying and feeding mechanism 1, the cutter frame 301 is pushed by an electric push rod 302 to move up and down, a cutting knife 303 is installed on the cutter frame 301, and cutter seats 304 matched with the cutting knife 303 are arranged on two sides of the conveying and feeding mechanism 1. The tool seat 304 is used for accommodating the cutting knife 303, so that the cutting stability when the cutting knife 303 falls is improved. The lower surface of the cutter holder 304 and the upper surface of the conveyor belt 101 are flush with each other, so that the effective cutting depth of crops is ensured.

To simplify the device, the first power mechanism 8 may be linked with the second power mechanism 403. Specifically, the method comprises the following steps:

the first power mechanism 8 comprises a first belt pulley 801 arranged at the end part of a roll shaft (not shown in the figure) of the spike-tooth roller, and the first belt pulley 801 is driven to rotate by a motor 802; the second power mechanism 403 comprises a second belt pulley 411 which is sleeved at the end of the air inlet rotating shaft 402 through a bearing 410, and the second belt pulley 411 is connected with the first belt pulley 801 through a belt 412.

When the motor 802 drives the spike-tooth roller to thresh crops, the power of the motor 802 is transmitted to the air inlet rotating shaft 402 through the belt 412, so that the air inlet rotating shaft 402, namely the frying plate 405 arranged on the air inlet rotating shaft, is driven to rotate, the crops in the drying cylinder 401 are overturned, and the drying efficiency is improved.

After the hot air dries the crops, the exhausted steam discharged by the hot air contains redundant heat, if the exhausted steam is directly discharged, the waste of the heat energy is caused, the threshed seeds can be dried again by the heat of the part, and therefore the fine-crushed impurities adhered to the surfaces of the seeds are removed. Specifically, the method comprises the following steps: the ash-raising device 6 can be set into a structure of a propeller blade (not shown in the figure), when the hot air exhausted by the exhaust pipe 5 passes through the propeller blade, hot air flow is formed, and the fine-crushing impurities on the surfaces of the seeds can be blown away more favorably.

The utility model discloses the theory of operation of device is:

the harvester cuts the crop straws by the cutting mechanism 3 on the conveying and feeding mechanism 1, then transmits the cut crop straws to the feeding groove 407 of the drying cylinder 401, and the cut crop straws fall into the space separated by the frying plates 405. Hot gas is introduced into the air inlet rotating shaft 402, so that the drying gas acts on the surfaces of the crops through the air jet ports 404 on the surfaces of the air inlet rotating shaft 402 to evaporate moisture contained in the crops, and the first power mechanism 8 drives the second power mechanism 403, so that the stir-frying plate 405 turns over the crops which are continuously dialed into the drying cylinder 401, and the drying efficiency is improved. Exhausting the exhaust steam with residual temperature to an ash lifting device 6 through an exhaust pipe 5;

the dried crops enter the threshing bin 2 through the material guide channel 406 and are threshed by the rotating spike-tooth roller 7, waste residues are discharged from the residue discharge port 20, threshed particle seeds are discharged from the discharge port 10, and hot air dust is further blown by the dust blowing device 6 before collection, so that the improvement of the purity of the threshed crops is facilitated.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The utility model provides a harvester thresher, includes conveying feed mechanism (1) and threshing warehouse (2), the inside in threshing warehouse (2) is provided with the spike-tooth roller, the spike-tooth roller is rotatory through first power unit (8) drive, be provided with discharge gate (10) and row's cinder notch (20) on threshing warehouse (2), its characterized in that: the conveying and feeding mechanism (1) is provided with a material chopping mechanism (3), a turning and drying mechanism (4) is arranged between the conveying and feeding mechanism (1) and the threshing bin (2), one side of the discharge hole (10) is provided with an ash lifting device (6), and the turning and drying mechanism (4) is connected with the ash lifting device (6) through an exhaust pipe (5);

upset stoving mechanism (4) are including drying cylinder (401), the center of drying cylinder (401) is provided with air inlet rotary shaft (402), air inlet rotary shaft (402) is rotated through second power unit (403) drive, is provided with a plurality of court on air inlet rotary shaft (402) air jet (404) of the inside steam-spraying of drying cylinder (401), air inlet rotary shaft's (402) lateral wall annular array has a plurality of stir-fry boards (405), drying cylinder's (401) lower extreme still is provided with guide passageway (406) of connecting threshing warehouse (2) upper end, and the end of giving vent to anger of blast pipe (5) is connected drying cylinder's (401) lateral wall.

2. A harvester threshing apparatus according to claim 1, wherein: the material chopping mechanism (3) comprises a cutter rest (301) which is arranged above the conveying and feeding mechanism (1) in a hanging mode, the cutter rest (301) is pushed by an electric push rod (302) to move up and down, a cutting knife (303) is installed on the cutter rest (301), and cutter seats (304) matched with the cutting knife (303) are arranged on two sides of the conveying and feeding mechanism (1).

3. A harvester threshing apparatus according to claim 1, wherein: the first power mechanism (8) comprises a first belt pulley (801) arranged at the end part of a roller shaft of the spike-tooth roller, and the first belt pulley (801) is driven to rotate by a motor (802); the second power mechanism (403) comprises a second belt pulley (411) which is sleeved at the end part of the air inlet rotating shaft (402) through a bearing (410), and the second belt pulley (411) is connected with the first belt pulley (801) through a belt (412).

4. A harvester threshing apparatus according to claim 1, wherein: the conveying and feeding mechanism (1) comprises a conveying belt (101), a feeding hole (102) is formed above the front section of the conveying belt (101), the material chopping mechanism (3) is arranged at the rear section of the conveying belt (101), a feeding groove (407) is formed above the drying cylinder (401) located at the conveying tail end of the conveying belt (101), and a baffle (408) is arranged on one side, away from the conveying belt (101), of the notch of the feeding groove (407).

5. A harvester threshing apparatus according to claim 1, wherein: and a one-way filtering gasket (409) is paved on the surface of the air jet (404).