阅读说明：本技术 谷物筛选机 (Grain screening machine ) 是由 钟兴林 马培勇 于 2021-07-22 设计创作，主要内容包括：本发明公开了一种谷物筛选机,包括壳体,所述壳体的正面壁和背面壁均固定安装有鼓风机构,所述壳体的一侧壁开设有排尘口,所述排尘口的一侧设置有集尘斗,所述壳体内腔的中部固定安装有筛网；本发明一种谷物筛选机,使用时将待筛选谷物放置在筛网上,然后开启振动电机和鼓风机,振动电机的输出端带动筛网振动,使筛网上谷物内的小颗粒杂质通过筛网落下,从而实现对谷物中小颗粒杂质的筛选,同时,鼓风机的输出端向风管内鼓风,风管内的风通过出风嘴鼓入壳体内,由于出风嘴的出风方向偏向集尘斗,使得出风嘴吹出的风能将谷物上的轻质杂质吹入集尘斗内,实现对谷物中毛絮、叶片等轻质杂质的清理。(The invention discloses a grain screening machine which comprises a shell, wherein air blowing mechanisms are fixedly arranged on the front wall and the back wall of the shell, a dust exhaust port is formed in one side wall of the shell, a dust hopper is arranged on one side of the dust exhaust port, and a screen is fixedly arranged in the middle of an inner cavity of the shell; when the grain screening machine is used, grains to be screened are placed on the screen, then the vibration motor and the air blower are started, the output end of the vibration motor drives the screen to vibrate, small particle impurities in the grains on the screen fall through the screen, screening of the small particle impurities in the grains is achieved, meanwhile, the output end of the air blower blows air into the air duct, the air in the air duct is blown into the shell through the air outlet nozzle, and the air outlet direction of the air outlet nozzle deviates towards the dust collection bucket, so that light impurities on the grains are blown into the dust collection bucket by wind energy blown out of the air outlet nozzle, and light impurities in the grains, such as lint and blades, are cleaned.)

1. A grain screening machine, includes casing (1), its characterized in that: the dust removal device is characterized in that the blowing mechanism (2) is fixedly mounted on the front wall and the back wall of the shell (1), a dust exhaust port (101) is formed in one side wall of the shell (1), the dust collection hopper (3) is arranged on one side of the dust exhaust port (101), the screen (5) is fixedly mounted in the middle of the inner cavity of the shell (1), the blowing mechanism (2) comprises a blower (21), an air pipe (23) and an air outlet nozzle (22), the blower (21) is fixedly mounted on the front wall or the back wall of the shell (1), the air pipe (23) is fixedly mounted at the output end of the blower (21), the air pipe (23) is communicated with a plurality of air outlet nozzles (22), the air outlet nozzles (22) extend into the inner cavity of the shell (1), the air outlet direction of the air outlet nozzles (22) deviates to the dust collection hopper (3), and the air outlet nozzles (22) are located above the screen (5), and a vibration motor (6) is fixedly installed at the bottom end of the shell (1).

2. The grain screening machine of claim 1, wherein: the one end that casing (1) was kept away from in dust hopper (3) is provided with collection mechanism (4), it includes dust collection box (41), cylinder (42), clamp plate (43), exhaust pipe (44) and filter screen (45) to collect mechanism (4), the one end that casing (1) was kept away from in dust collection box (41) fixed mounting, the top fixed mounting of dust collection box (41) has cylinder (42), the roof of dust collection box (41) is run through to the output of cylinder (42), just the output fixed mounting of cylinder (42) has clamp plate (43), a lateral wall fixed mounting that casing (1) was kept away from in dust collection box (41) has exhaust pipe (44), exhaust pipe (44) internal fixed mounting has filter screen (45).

3. The grain screening machine of claim 2, wherein: the dust collection mechanism further comprises a dust storage box (46), and the dust storage box (46) is detachably arranged at the bottom end of the dust collection box (41).

4. The grain screening machine of claim 1, wherein: a baffle (7) is fixedly arranged in the dust exhaust port (101), and the bottom of the baffle (7) is obliquely arranged towards the dust hopper (3).

5. The grain screening machine of claim 1, wherein: a feed hopper (8) is fixedly arranged on one side wall of the shell (1) far away from the dust hopper (3).

6. The grain screening machine of claim 5, wherein: four corners of the bottom end of the shell (1) are fixedly provided with telescopic supporting legs (9).

Technical Field

The invention relates to the technical field of agricultural equipment, in particular to a grain screening machine.

Background

Along with the high-speed development of agriculture in China, the development of grain processing machines also presents a positive trend, the screening machine is used as a grain primary processing machine, the application range is very wide, the daily grain food supply of people cannot be separated from the operation of the screening machine, and a screening machine with excellent performance is increasingly needed by vast agricultural growers.

Common grain screening machines generally screen grains through a screen mesh so as to screen out small-particle impurities in the grains, but the grains generally contain some light impurities such as catkins and leaves, and the impurities are difficult to screen out through the screen mesh due to the light weight of the impurities.

Disclosure of Invention

The invention aims to provide a grain screening machine to solve the problem that the common grain screening machine proposed in the background technology is difficult to screen light impurities.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a cereal sieve separator, includes the casing, the equal fixed mounting of the front wall and the back wall of casing has blast mechanism, the dust exhaust mouth has been seted up to a lateral wall of casing, one side of dust exhaust mouth is provided with the dust hopper, the middle part fixed mounting of casing inner chamber has the screen cloth, blast mechanism includes air-blower, tuber pipe and tuyere, air-blower fixed mounting is in the front wall or the back wall of casing, the output fixed mounting of air-blower has the tuber pipe, the intercommunication has a plurality of tuyeres on the tuber pipe, the tuyere extends to in the inner chamber of casing, the air-out direction deviation of tuyere is to the dust hopper, just the tuyere is located the top of screen cloth, the bottom fixed mounting of casing has vibrating motor.

During the specific use, will wait to filter grain and place on the screen cloth, then open vibrating motor and air-blower, vibrating motor's output drives the screen cloth vibration, make the interior tiny particle impurity of cereal on the screen cloth fall through the screen cloth, thereby realize the screening to tiny particle impurity in the cereal, and simultaneously, the output of air-blower is to the intraductal blast air of tuber, the wind in the tuber pipe is through going out the tuyere and drum into in the casing, because the air-out direction deviation of play tuyere is to the dust hopper, make the wind energy that the air-out tuyere blew out light impurity on with the cereal blow in the dust hopper, realize the clearance to light impurity such as batting, blade in the cereal.

As a preferable technical scheme of the invention, one end of the dust collecting hopper, which is far away from the shell, is provided with a collecting mechanism, the collecting mechanism comprises a dust collecting box, an air cylinder, a pressing plate, an exhaust pipe and a filter screen, the dust collecting box is fixedly arranged at one end of the dust collecting hopper, which is far away from the shell, the top end of the dust collecting box is fixedly provided with the air cylinder, the output end of the air cylinder penetrates through the top wall of the dust collecting box, the pressing plate is fixedly arranged at the output end of the air cylinder, the exhaust pipe is fixedly arranged on one side wall of the dust collecting box, which is far away from the shell, and the filter screen is fixedly arranged in the exhaust pipe.

When the dust collecting device is used specifically, light impurities entering the dust collecting hopper are blown into the dust collecting box and blocked down through the filter screen, and then the output end of the control cylinder stretches out, so that the output end of the cylinder drives the pressing plate to move downwards, the pressing plate compresses the light impurities in the dust collecting hopper, and the subsequent recovery of the light impurities is facilitated.

As a preferable technical solution of the present invention, the dust collecting mechanism further comprises a dust storage box, and the dust storage box is detachably mounted at a bottom end of the dust collection box.

When the dust storage box is used specifically, the dust storage box can be detached for cleaning after light impurities in the dust storage box are fully collected.

As a preferable technical scheme of the invention, a baffle is fixedly arranged in the dust exhaust port, and the bottom of the baffle is obliquely arranged towards the dust hopper.

When the dust collector is used specifically, grains are blocked by the baffle, and light impurities can enter the dust collecting hopper through a gap between the baffle and the dust exhaust port.

As a preferable technical scheme of the invention, a feed hopper is fixedly arranged on one side wall of the shell far away from the dust hopper.

When in specific use, grains can be put into the shell through the feed hopper.

As a preferred technical scheme of the invention, four corners of the bottom end of the shell are fixedly provided with telescopic supporting legs.

When specifically using, flexible supporting leg can stretch out and draw back from top to bottom for when throwing the material in to the casing, can adjust the inclination of sieve, thereby make cereal disperse on the screen cloth.

Compared with the prior art, the invention has the beneficial effects that: when the grain screening machine is used, grains to be screened are placed on the screen, then the vibration motor and the air blower are started, the output end of the vibration motor drives the screen to vibrate, small particle impurities in the grains on the screen fall through the screen, screening of the small particle impurities in the grains is achieved, meanwhile, the output end of the air blower blows air into the air duct, the air in the air duct is blown into the shell through the air outlet nozzle, and the air outlet direction of the air outlet nozzle deviates towards the dust collection bucket, so that light impurities on the grains are blown into the dust collection bucket by wind energy blown out of the air outlet nozzle, and light impurities in the grains, such as lint and blades, are cleaned.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic cross-sectional front view of the present invention;

FIG. 4 is an enlarged view of the structure at A of FIG. 3;

FIG. 5 is a schematic top view of the cross-sectional structure of the present invention.

In the figure: 1. a housing; 101. a dust exhaust port; 2. a blower mechanism; 21. a blower; 22. an air outlet nozzle; 23. an air duct; 3. a dust collecting hopper; 4. a collection mechanism; 41. a dust collecting box; 42. a cylinder; 43. pressing a plate; 44. an exhaust duct; 45. filtering with a screen; 46. a dust storage box; 5. screening a screen; 6. a vibration motor; 7. a baffle plate; 8. a feed hopper; 9. a telescopic supporting leg.

Detailed Description

Referring to fig. 1 to 5, the present invention provides a grain screening machine, which comprises a housing 1, wherein a blower mechanism 2 is fixedly installed on both front and back walls of the housing 1, a dust exhaust port 101 is arranged on one side wall of the shell 1, a dust collecting hopper 3 is arranged on one side of the dust exhaust port 101, the middle part of the inner cavity of the shell 1 is fixedly provided with a screen 5, the air blowing mechanism 2 comprises an air blower 21, an air pipe 23 and an air outlet nozzle 22, the blower 21 is fixedly arranged on the front wall or the back wall of the shell 1, the output end of the blower 21 is fixedly provided with an air pipe 23, the air pipe 23 is communicated with a plurality of air outlets 22, the air outlets 22 extend into the inner cavity of the shell 1, the air outlet direction of the air outlets 22 deviates to the dust collecting hopper 3, and the air outlet nozzle 22 is positioned above the screen 5, and the bottom end of the shell 1 is fixedly provided with a vibrating motor 6.

During the specific use, will wait to filter the cereal and place on screen cloth 5, then open vibrating motor 6 and air-blower 21, vibrating motor 6's output drives screen cloth 5 vibration, make the interior tiny particle impurity of cereal fall through screen cloth 5 on the screen cloth 5, thereby realize the screening to tiny particle impurity in the cereal, and simultaneously, air-blower 21's output is to blowing air in tuber pipe 23, wind in the tuber pipe 23 is bloated into casing 1 through air outlet nozzle 22, because air outlet nozzle 22's air-out direction is partial to dust hopper 3, make the wind energy that air outlet nozzle 22 blew out blow in the dust hopper 3 with the light impurity on the cereal, realize the clearance to light impurity such as batting, blade in the cereal.

Preferably, the one end that casing 1 was kept away from to dust hopper 3 is provided with collection mechanism 4, collection mechanism 4 includes dust collection box 41, cylinder 42, clamp plate 43, exhaust pipe 44 and filter screen 45, dust collection box 41 fixed mounting is in the one end that casing 1 was kept away from to dust collection hopper 3, the top fixed mounting of dust collection box 41 has cylinder 42, the roof of dust collection box 41 is run through to the output of cylinder 42, just the output fixed mounting of cylinder 42 has clamp plate 43, a lateral wall fixed mounting that casing 1 was kept away from to dust collection box 41 has exhaust pipe 44, fixed mounting has filter screen 45 in the exhaust pipe 44.

When the dust collecting device is used specifically, light impurities entering the dust collecting hopper 3 are blown into the dust collecting box 41 and are blocked by the filter screen 45, and then the output end of the air cylinder 42 is controlled to extend out, so that the output end of the air cylinder 42 drives the pressing plate 43 to move downwards, the pressing plate 43 compresses the light impurities in the dust collecting hopper 3, and the subsequent recovery of the light impurities is facilitated.

Preferably, the dust collecting mechanism further comprises a dust storage box 46, and the dust storage box 46 is detachably mounted at the bottom end of the dust collection box 41.

When the dust collecting box is used specifically, the dust storing box 46 can be detached for cleaning after the light impurities in the dust storing box 46 are fully collected.

Preferably, a baffle 7 is fixedly installed in the dust exhaust port 101, and the bottom of the baffle 7 is inclined toward the dust hopper 3.

When the dust collector is used specifically, grains are blocked by the baffle 7, and light impurities can enter the dust collecting hopper 3 through a gap between the baffle 7 and the dust exhaust port 101.

Preferably, a feed hopper 8 is fixedly mounted on a side wall of the housing 1 far away from the dust hopper 3.

In particular use, the grain can be fed into the housing 1 through the feed hopper 8.

Preferably, four corners of the bottom end of the shell 1 are fixedly provided with telescopic support legs 9.

During the specific use, telescopic support leg 9 can stretch out and draw back from top to bottom for when throwing the material in casing 1, can adjust the inclination of sieve, thereby make cereal disperse on screen cloth 5.

The working principle is as follows: placing grains to be screened on a screen 5, then starting a vibration motor 6 and an air blower 21, driving the screen 5 to vibrate by the output end of the vibration motor 6, so that small-particle impurities in the grains on the screen 5 fall through the screen 5, thereby realizing the screening of the small-particle impurities in the grains, blowing air into an air pipe 23 by the output end of the air blower 21, blowing air in the air pipe 23 into a shell 1 through an air outlet nozzle 22, making the light impurities on the grains blown out by the air outlet nozzle 22 blown into a dust collection hopper 3 by the wind energy due to the deviation of the air outlet direction of the air outlet nozzle 22 to realize the cleaning of the light impurities in the grains, such as lint and leaves, blowing the light impurities in the dust collection hopper 3 into a dust collection box 41, blocking the light impurities by a filter screen 45, controlling the output end of an air cylinder 42 to extend out, driving a pressing plate 43 to move downwards by the output end of the air cylinder 42, so that the pressing plate 43 compresses the light impurities in the dust collection hopper 3, facilitating the subsequent recovery of light impurities.