CN212413856U

CN212413856U - Multifunctional vibrating screen of agricultural harvester

Info

Publication number: CN212413856U
Application number: CN202020936008.XU
Authority: CN
Inventors: 李秀芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2021-01-29
Anticipated expiration: 2030-05-28

Abstract

The utility model discloses a multifunctional vibrating screen of an agricultural harvester, which comprises a separation bin, a rotary material distribution device, a hot air slag conveying device and a vibrating screen device are sequentially arranged in the separation bin from top to bottom, the vibrating screen device comprises a U-shaped vibration limiting plate and a vibrating screen plate, the right end of the vibrating screen plate is hinged with the right side of the separation bin, the left side of the vibrating screen plate is connected with the U-shaped vibration limiting plate through a spring, the left end of the vibrating screen plate is connected with an L-shaped vibrating plate, the right end of the vibrating screen plate is connected with an inclined plate, the right side of the inclined plate is provided with a slag discharging channel, the left side of the L-shaped vibrating plate is provided with a driving device, hot air blown out by the air slag conveying device can not only separate grains and crushed slag on the screen plate more quickly, the hot air can play a certain drying role, the preservation quality of the grains is better, the grains are distributed, the vibrating screen has the advantages of simple structure, low cost, small vibration abrasion and long service life.

Description

Multifunctional vibrating screen of agricultural harvester

Technical Field

The utility model relates to the technical field of agricultural machinery, specifically be a multi-functional shale shaker of harvester is used to agricultural.

Background

The harvester is a machine for integrally harvesting crops. The harvesting and threshing are completed at one time, grains are collected to a storage bin, and then the grains are conveyed to a transport vehicle through a conveying belt. Or manually reaping, laying straws of crops such as rice, wheat and the like in the field, and then picking up and threshing by using a grain harvesting machine. A crop harvesting machine for harvesting grain crop seeds and straws of rice, wheat and the like. Grain harvesting machines have been developed based on various harvesting and threshing tools.

After the harvester harvests the grains and the ears into the bin, the threshing device separates the grains from the straw, and then the sieve plate separates the grains from the straw, so that the harvested grains directly enter the grain bin, and the complete process of harvesting the grains by the harvester is completed.

However, the existing vibrating screen of the harvester has the following defects:

(1) the vibrating screen only has the function of separating grain and forage slag, has single function, is suitable for dew or rain on the grain, and is easy to mildew or germinate when the grain is accumulated in a bin, so that the quality of the grain is poor;

(2) the grains fall on the vibrating screen unevenly, and the screening speed of the thicker grains paved on the vibrating screen is slow, so that the overall screening speed of the vibrating screen is reduced;

(3) the vibrating screen has the advantages of complex structure, larger vibration abrasion and short service life.

Disclosure of Invention

In order to overcome the not enough of prior art scheme, the utility model provides a multi-functional shale shaker of harvester is used to agricultural, hot-blast cereal and the disintegrating slag that can not only make on the sieve that the hot-blast sediment device that send blew off separate more fast, hot-blast certain drying action that can also play, make the save quality of cereal better, rotatory distributing device makes the cereal distribution on the sieve more even, the separating rate of cereal and straw pole disintegrating slag has been improved, the shale shaker simple structure, low cost, and vibration and abrasion is little, and is long-lived, can the effectual problem that the solution background art provided.

The utility model provides a technical scheme that its technical problem adopted is:

a multifunctional vibrating screen of an agricultural harvester comprises a separation bin positioned at the right lower part of a material removing device of the harvester, wherein two hot air slag conveying devices are installed at the left side of the separation bin, a rotary material distributing device is installed at the center of the top end of the separation bin, and a vibrating screening device is installed in the middle of the separation bin;

vibration sieving mechanism includes that two U-shaped limits shake board and two vibration sieve, and the U-shaped limits shake the board and fix on the left side inner wall of separation bin, the right side of vibration sieve is connected with the right side lateral wall activity of separation bin through the hinge, and the left top of vibration sieve, the bottom all are connected through spring and the top of the recess of U-shaped limits shake the board, bottom, and the left end of vibration sieve is connected with L type vibration board, and the right-hand member of vibration sieve is connected with the swash plate, and the right side of swash plate is equipped with the passageway of slagging tap, L type vibration board left side is equipped with drive arrangement.

Further, the hot-air slag conveying device comprises an inclined installation pipe installed on the side wall of the left side of the separation bin, a ventilation hole is formed in the left side of the inclined installation pipe, an air motor is installed inside the inclined installation pipe through a fixing piece, a motor shaft of the air motor is connected with fan blades, and an electric heating net is arranged at the bottom end of each fan blade.

Further, rotatory distributing device includes and fixes the gear motor on the separation bin top through the motor cabinet, the gear motor bottom is connected with the pivot, the pivot bottom is connected with the rotatory cloth oar that is located the vibration sieve top.

Further, the driving device comprises a motor arranged on the left side of the bottom end of the separation bin, one end of the motor is connected with a cam through an output shaft, the bottom end of the L-shaped vibration plate is provided with a roller, and the bottom side of the cam is in contact with the top side of the roller.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses a hot-blast grain and the disintegrating slag that send the sediment device to blow off can not only make on the sieve separate more quickly, blow off the separation storehouse with the straw pole disintegrating slag, and hot-blast can play certain drying action to partly fall the moisture drying on the grain surface, the grain is difficult for mildening and rot or sprouting because of the humidity, thereby makes the preservation quality of grain better.

(2) The utility model discloses a rotatory distributing device's gear motor starts the back, and the pivot drives rotatory cloth oar slowly rotatory on vibrating screen plate to with cereal evenly distributed on the sieve, cereal thickness on the sieve is thinner, and cereal can not pile up certain department on the sieve, thereby has improved the separating speed of cereal and straw stalk disintegrating slag.

(3) The utility model discloses a shale shaker simple structure, it is with low costs, and the vibration wearing and tearing are little, long-lived.

Drawings

Fig. 1 is a schematic front sectional view of the present invention.

Reference numbers in the figures:

1-a separation bin; 2-a hot air slag conveying device; 3-rotating the material distribution device; 4-a vibratory screening device; 5-a drive device;

11-a slag discharge channel; 12-a vent hole;

21-inclined mounting tube; 22-wind motor; 23-fan blades; 24-an electric heating net;

31-a reduction motor; 32-a rotating shaft; 33-rotating the cloth paddle;

41-U-shaped vibration limiting plates; 42-vibrating screen deck; 43-a sloping plate; 44-a spring; a 45-L type vibration plate;

51-a motor; 52-a cam; 53-roller.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1, the utility model provides a multi-functional shale shaker of harvester is used to agricultural, including being located the harvester and taking off the separating bin 1 of material device right side below, the positive section of separating bin 1 is the rectangle, and the top of separating bin 1 is equipped with straw pole passageway, and length is greater than 1 cm's straw pole and directly follows straw pole passageway discharge harvester, avoids straw pole to influence cereal filtration efficiency. Two hot-air slag conveying devices 2 are installed on the left side of the separation bin 1, the two hot-air slag conveying devices 2 are respectively located at the top ends of the left sides of the two vibrating sieve plates 42, so that the weed crushed slag on the two sieve plates can be blown out of the sieve plates by wind power, the separation bin 1 and the harvester are thrown out of the slag discharging channel 11, and separation of the weed crushed slag and grains is completed.

Hot-blast sediment device 2 is including installing slope installation pipe 21 on the lateral wall of separation bin 1 left side, slope installation pipe 21's bottom below right slope to produce the wind towards below right when making flabellum 23 rotatory, slope installation pipe 21 left side is equipped with ventilation hole 12, ensures the circulation of air, and wind power motor 22 is installed through the mounting in the inside of slope installation pipe 21, wind power motor 22's motor shaft is connected with flabellum 23, the bottom of flabellum 23 is equipped with electric heat net 24.

The electric heating net 24 is installed at the air outlet at the bottom end of the inclined installation pipe 21, the heating temperature of the electric heating net 24 is generally 30-40 ℃, and damage to grains due to overhigh temperature is avoided, the electric heating net 24 is an electric heating net and comprises an insulating heat transfer rod and a heating wire inside the heat transfer rod, and the inside of the heating wire starts to generate heat after being electrified, so that the electric heating net generates heat.

The working principle of the hot air slag conveying device 2 is as follows: after the mixture of the grains and the straw slag enters the separation bin 1 from the discharging bin, the grains and the straw slag fall onto the vibrating screen plate 42, under the continuous up-and-down vibration of the vibrating screen plate 42, the grains and the straw slag are thrown and then fall off continuously, the wind power motor 22 is started to enable the fan blades 23 to rotate to generate hot wind blowing to the right lower side, the wind directly inclines to the right and blows over the surface of the vibrating screen plate 42, the mass of the straw slag is smaller than that of the grains, the grains continue to stay on the screen plate, the hot wind blows the straw slag in the grains to the slag discharging channel 11 on the right side of the screen plate, the bottom end of the slag discharging channel 11 inclines downwards towards the right, and the straw slag is automatically thrown out of the harvester from the slag discharging channel 11 under the action of gravity.

Preferably, the hot air blown out by the hot air slag conveying device 2 can not only well separate the grains from the crushed slag, but also blow the straw crushed slag out of the separation bin 1, and the hot air can play a certain drying role, so that part of the moisture on the surface of the grains is dried, the grains are not easy to mildew or sprout due to humidity, and the storage quality of the grains is better.

It should be added that, in order to keep the hot air slag conveying device 2 working stably, the part of the inclined installation pipe 21 at the bottom end where the wind power motor 22 is installed is made of a heat dissipation material, for example, aluminum powder is added into a ceramic pipe, so that the heat dissipation effect of the wind power motor 22 is better, and the service life of the wind power motor 22 is prolonged. And the part of the bottom end of the inclined installation pipe for installing the electric heating net 24 is made of heat-insulating materials, so that accidents caused by current leakage are prevented, and the influence on the normal use and the service life of the wind power motor 22 caused by heat transfer to the wind power motor 22 is also prevented.

Rotatory distributing device 3 is installed at the top center of separation bin 1, rotatory distributing device 3 includes fixes gear motor 31 on separation bin 1 top through the motor cabinet, gear motor 31 bottom is connected with pivot 32, pivot 32 bottom is connected with the rotatory cloth oar 33 that is located vibration sieve 42 top. The height of the bottom end of the rotary distribution paddle 33 is 5-10mm higher than the top surface of the uppermost screen plate, and the screen plate can not contact with the rotary distribution paddle 33 when vibrating, so that the rotary distribution paddle 33 is ensured to rotate unhindered.

After the gear motor 31 of rotatory distributing device 3 starts, pivot 32 drives rotatory cloth oar 33 slowly rotates on vibration sieve 42 to with cereal evenly distributed on the sieve, cereal thickness on the sieve is thinner, and a certain department on the sieve can not piled up to cereal, thereby has improved the separating speed of cereal and straw stalk disintegrating slag, and the ejection of compact of straw stalk disintegrating slag can not be hindered to the slow rotation of rotatory cloth oar 33.

The mid-mounting in separation storehouse 1 has vibration screening device 4, vibration screening device 4 includes that two U-shaped limit shakes board 41 and two vibration sieve plates 42, and two vibration sieve plates 42 divide into sieve and lower sieve plate, and the sieve mesh of going up the sieve is bigger than the sieve mesh of sieve down, and the sieve mesh of sieve is bigger than the cereal particle diameter 0.5-1mm down, and two sieves carry out double-deck screening filtration to cereal like this, and cereal and straw rod separation are more thorough, and the screening quality is good. The U-shaped vibration limiting plate 41 is fixed on the inner wall of the left side of the separation bin 1, the positive section of the U-shaped vibration limiting plate 41 is in a transverse U shape, the vertical vibration amplitude of the sieve plate can be limited, and therefore grains cannot leak from the side face of the sieve plate. The right side of the vibrating screen plate 42 is movably connected with the right side wall of the separation bin 1 through a hinge shaft, and two ends of the hinge shaft are arranged at the front end and the rear end of the separation bin 1 through bearings, so that the vibrating stability of the screen plate is ensured.

The left top of vibration sieve 42, the bottom is all through the top of spring 44 with the recess of U-shaped limit vibration board 41, the bottom is connected, and the left end of vibration sieve 42 is connected with L type vibration board 45, the right-hand member of vibration sieve 42 is connected with swash plate 43, swash plate 43 can not obstruct blowing off of straw disintegrating slag, leak protection plate is installed on the left side top of vibration sieve 42, under the dual protection of leak protection plate and swash plate 43, grain can not fall out from the left and right sides both ends of vibration sieve 42, the rate of recovery of grain has been guaranteed. The right side of the sloping plate 43 is provided with a slag tapping channel 11. The bottom end of the slag discharging channel 11 inclines downwards to the right, and slag materials can automatically fall out of the harvester after entering the channel.

The left side of the separation bin 1 is provided with a movable groove for allowing the L-shaped vibration plate 45 to vibrate up and down, the left side of the U-shaped vibration limiting plate 41 is also provided with a groove for allowing the sieve plate to pass through and vibrate up and down, the left side of the L-shaped vibration plate 45 is provided with a driving device 5, the driving device 5 comprises a motor 51 arranged on the left side of the bottom end of the separation bin 1, one end of the motor 51 is connected with a cam 52 through an output shaft, the bottom end of the L-shaped vibration plate 45 is provided with a roller 53, and the bottom side of.

The process that the driving device 5 drives the vibration screening device 4 to vibrate and screen materials is as follows:

the motor 51 drives the cam 52 to rotate after being started, the top end of the cam 52 is lowered, so that the roller 53 drives the L-shaped vibrating plate 45 to descend, at the moment, the two vibrating sieve plates 42 are driven by the L-shaped vibrating plate 45 to move downwards, at the moment, the spring 44 deforms, one spring 44 extends, the other spring 44 compresses, after the bottom side of the cam 52 is raised, the sieve plates are pulled up by the elastic force of the spring 44, the process is repeated continuously, the sieve plates continuously vibrate up and down, so that grains are screened more quickly, the grains cannot be blocked in sieve holes of the sieve plates, the grains fall into a storage bin at the bottom of the separation bin 1 from the sieve plates, and straw rod crushed slag is thrown out of the harvester from the slag discharge channel 11 along with wind.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a multi-functional shale shaker of harvester is used to agricultural, is including being located the harvester and taking off separating bin (1) of material device right side below, its characterized in that: two hot air slag conveying devices (2) are installed on the left side of the separation bin (1), a rotary material distribution device (3) is installed in the center of the top end of the separation bin (1), and a vibration screening device (4) is installed in the middle of the separation bin (1);

vibration screening device (4) are including two U-shaped limit vibration boards (41) and two vibration sieve boards (42), the U-shaped limit vibration board (41) is fixed on the left side inner wall of disengagement bin (1), the right side of vibration sieve board (42) is connected with the right side lateral wall activity of disengagement bin (1) through the hinge, all is connected with the top, the bottom of the recess of U-shaped limit vibration board (41) through spring (44) on vibration sieve board (42) left top, bottom, and the left end of vibration sieve board (42) is connected with L type vibration board (45), the right-hand member of vibration sieve board (42) is connected with swash plate (43), and the right side of swash plate (43) is equipped with slag discharging passageway (11), L type vibration board (45) left side is equipped with drive arrangement (5).

2. The multifunctional vibrating screen of an agricultural harvester according to claim 1, wherein: the hot air slag conveying device (2) comprises an inclined installation pipe (21) installed on the side wall of the left side of the separation bin (1), a ventilation hole (12) is formed in the left side of the inclined installation pipe (21), an air motor (22) is installed inside the inclined installation pipe (21) through a fixing piece, a motor shaft of the air motor (22) is connected with fan blades (23), and an electric heating net (24) is arranged at the bottom end of each fan blade (23).

3. The multifunctional vibrating screen of an agricultural harvester according to claim 1, wherein: rotatory distributing device (3) include gear motor (31) of fixing on separation bin (1) top through the motor cabinet, gear motor (31) bottom is connected with pivot (32), pivot (32) bottom is connected with rotatory distributing paddle (33) that are located vibration sieve (42) top.

4. The multifunctional vibrating screen of an agricultural harvester according to claim 1, wherein: the driving device (5) comprises a motor (51) installed on the left side of the bottom end of the separating bin (1), one end of the motor (51) is connected with a cam (52) through an output shaft, a roller (53) is installed on the bottom end of the L-shaped vibrating plate (45), and the bottom side of the cam (52) is in contact with the top side of the roller (53).