CN219057909U

CN219057909U - Grain discharging system

Info

Publication number: CN219057909U
Application number: CN202223605685.1U
Authority: CN
Inventors: 欧阳通; 朱代理; 李铁辉
Original assignee: Hunan Nongyou Agricultural Equipment Co ltd
Current assignee: Hunan Nongyou Agricultural Equipment Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-05-23
Anticipated expiration: 2032-12-28

Abstract

The utility model discloses a grain discharging system, which comprises a grain collecting and outputting device and a belt grain discharging and conveying device, wherein the grain collecting and outputting device is provided with a grain outlet, the belt grain discharging and conveying device is arranged at the output side of the grain outlet and is used for receiving and conveying materials output by the grain collecting and outputting device, the belt grain discharging and conveying device comprises a belt conveying and outputting mechanism and a lateral shielding mechanism arranged on the surface of the belt conveying and outputting mechanism, the belt conveying and outputting mechanism is movably arranged along the conveying direction, the lateral shielding mechanism comprises two side baffles which are oppositely arranged along the direction perpendicular to the conveying direction, and the side baffles are fixedly arranged on the belt conveying and outputting mechanism and are the same along with the belt conveying and outputting mechanism along the conveying direction. The grain discharging system solves the technical problems that grains are easy to spill in the grain discharging and collecting process of the existing grain dryer, the spilled grains need to be manually collected again, and a large amount of manpower is wasted.

Description

Grain discharging system

Technical Field

The utility model relates to the technical field of drying equipment, in particular to a grain discharging system.

Background

In recent years, with the deep advancement of land circulation work, the agricultural production and management mode of China is deeply changed, and the remarkable appearance is that grains are gradually changed from the past dispersion in single farmers to the concentration in the emerging agricultural service organization hands of large planting households, family farms, farmer professional cooperatives and the like. In order to ensure that the newly harvested grains can be timely dried and precipitation, in recent years, new agricultural service organizations such as domestic planting households, family farms, farmer professional cooperatives and the like purchase grain dryers

The existing grain dryer is easy to spill grains in the grain discharging and collecting process, and the scattered grains are required to be collected again manually, so that a large amount of manpower is wasted.

In view of this, there is a need to propose a grain delivery system that solves or at least alleviates the above-mentioned drawbacks.

Disclosure of Invention

The grain discharging system provided by the utility model solves the technical problems that grains are easy to spill in the grain discharging and collecting process of the existing grain dryer, the spilled grains are required to be collected again manually, and a large amount of manpower is wasted.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a grain discharging system, includes collection grain output device and belt grain discharging conveyor, collection grain output device has a grain outlet, belt grain discharging conveyor locates the output side of grain outlet is used for receiving collection grain output device output's material and carries, belt grain discharging conveyor includes belt conveying output mechanism and locates belt conveying output mechanism's surface's side direction shielding mechanism, belt conveying output mechanism sets up along direction of delivery movable, side direction shielding mechanism includes two side baffles of following perpendicular to direction of delivery and laying relatively, the side baffle is fixed to be located on the belt conveying output mechanism and along with belt conveying output mechanism follows direction of delivery synchronous motion, the grain outlet orientation belt conveying output mechanism's receiving end sets up and is in two between the side baffle.

Further, the belt conveying output mechanism comprises a conveying frame, a conveying belt and conveying rollers, the two conveying rollers are oppositely arranged on the conveying frame along the length direction of the conveying frame, the conveying rollers are rotatably arranged around the central axis of the conveying rollers, the conveying rollers encircle the two conveying rollers and are provided with an upper conveying belt and a lower rotary belt, the conveying rollers are used for driving the conveying belt to move along the conveying direction, the two side baffles are oppositely arranged on the conveying belt along the width direction of the conveying belt, the side baffles are protruded out of the surface of the conveying belt and synchronously move along with the conveying belt around the conveying rollers, and the grain outlet is arranged towards the surface of the upper conveying belt and is positioned between the two side baffles.

Further, the side baffles are wavy flexible plates extending in a wavy manner.

Further, the side baffles are made of PVC materials or silica gel materials.

Further, the side baffles protrude 5 to 30 millimeters from the surface of the conveyor belt.

Further, the belt conveying output mechanism further comprises a belt supporting plate arranged on the conveying frame along the length direction of the conveying frame, and the belt supporting plates are arranged between the upper layer conveying belt and the lower layer revolving belt and used for supporting the upper layer conveying belt from the lower part of the upper layer conveying belt.

Further, the bearing surface of belt layer board is the V profile of following both sides towards middle direction downward sloping gradually, the tank bottom position department of belt layer board is equipped with the relief hole, belt conveying output mechanism still includes cleans the scraper blade, be in between the belt layer board with lower floor's gyration area, clean the scraper blade and be used for follow the back of lower floor's gyration area is scraped and is in the material on the lower floor's gyration area.

Further, the cleaning scraper comprises a connecting rod, a self-adapting rod and a scraper, wherein the connecting rod is arranged along the width direction of the conveying rack, the connecting rod is rotatably arranged around the central axis of the connecting rod, the first end of the self-adapting rod is hinged with the connecting rod, the scraper is hinged with the second end of the self-adapting rod, and the scraper is a V-shaped plate which is arranged along the lower stream of the lower layer revolving belt and is opened towards the upper stream.

Further, collection grain output device includes collection grain discharge hopper, guide plate and grain discharging wheel, the grain outlet is located collection grain discharge hopper's bottom, collection grain discharge hopper is located conveyor belt's top and downwardly extending so that the grain outlet is in two between the side baffle, the guide plate with grain discharging wheel respectively in collection grain discharge hopper is through grain discharging wheel rotation will be in the material of guide plate low reaches passes through the grain outlet is discharged to conveyor belt's receiving end.

Further, the grain discharging wheel comprises a rotating wheel and a grain discharging plate, the grain discharging plates are uniformly arranged on the circumferential surface of the rotating wheel at intervals along the circumferential direction of the rotating wheel, the grain discharging plate is an L-shaped plate, the vertical end of the grain discharging plate is fixedly connected with the rotating wheel, and the bending end of the grain discharging plate is provided with a plurality of bending holes.

The utility model has the following beneficial effects:

the grain discharging system comprises a grain collecting and outputting device and a belt grain discharging and conveying device, wherein the grain collecting and outputting device is provided with a grain outlet, materials in a grain discharging section of a dryer box body are collected through the grain collecting and outputting device and guided to be output to the belt grain discharging and conveying device outside the dryer box body from the grain outlet, and finally, the materials are output and uniformly collected under the conveying action of the belt grain discharging and conveying device; the grain discharging and conveying device comprises a belt conveying and outputting mechanism and a lateral shielding mechanism arranged on the surface of the belt conveying and outputting mechanism, the belt conveying and outputting mechanism is used for receiving materials output by the grain collecting and outputting device and conveying the materials, the side shielding plates are fixedly arranged on the belt conveying and outputting mechanism and synchronously move along with the belt conveying and outputting mechanism along the conveying direction, the grain outlet faces to the receiving end of the belt conveying and outputting mechanism and is arranged between the two side shielding plates, the materials can be prevented from being splashed out of the belt conveying and outputting mechanism when being output to the belt conveying and outputting mechanism, and the materials can only move along the conveying direction under the action of the two side shielding plates when being output to the belt conveying and outputting mechanism for conveying the materials, so that the materials are prevented from falling from the lateral direction, the technical problems that grains are easy to spill in the grain discharging and collecting process of the existing grain dryer, the scattered grains need to be manually collected again, and a large amount of manpower is wasted are solved.

In addition to the objects, features and advantages described above, the present utility model has other objects, features and advantages. The present utility model will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is a schematic perspective view of a grain delivery system according to a preferred embodiment of the present utility model;

FIG. 2 is a cross-sectional view of a grain delivery system according to a preferred embodiment of the present utility model;

FIG. 3 is a schematic perspective view of the belt grain delivery device of FIG. 1;

FIG. 4 is a partial perspective view of the belt grain delivery apparatus of FIG. 3;

fig. 5 is a schematic perspective view of a grain discharging wheel of a grain discharging system according to a preferred embodiment of the present utility model.

Legend description:

100. a grain discharging system; 10. a grain collecting and outputting device; 11. a grain collecting and discharging hopper; 12. a deflector; 13. a grain guiding wheel; 20. a belt grain discharging and conveying device; 21. a belt conveying output mechanism; 211. a conveyor frame; 212. a conveyor belt; 213. a conveying roller; 214. a belt pallet; 215. a cleaning scraper; 22. a lateral shielding mechanism; 221. side baffles.

Detailed Description

It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

As shown in fig. 1, 2 and 3, the grain discharging system 100 according to the embodiment of the present utility model includes a grain collecting and outputting device 10 and a belt grain discharging and conveying device 20, where the grain collecting and outputting device 10 has a grain outlet, the belt grain discharging and conveying device 20 is disposed at an output side of the grain outlet and is used for receiving and conveying materials output by the grain collecting and outputting device 10, the belt grain discharging and conveying device 20 includes a belt conveying and outputting mechanism 21 and a lateral shielding mechanism 22 disposed on a surface of the belt conveying and outputting mechanism 21, the belt conveying and outputting mechanism 21 is movably disposed along a conveying direction, the lateral shielding mechanism 22 includes two side baffles 221 disposed oppositely along a direction perpendicular to the conveying direction, the side baffles 221 are fixedly disposed on the belt conveying and outputting mechanism 21 and synchronously move along the conveying direction along with the belt conveying and outputting mechanism 21, and the grain outlet is disposed toward a material receiving end of the belt conveying and outputting mechanism 21 and is disposed between the two side baffles 221.

The grain discharging system 100 provided by the utility model comprises a grain collecting and outputting device 10 and a belt grain discharging and conveying device 20, wherein the grain collecting and outputting device 10 is provided with a grain outlet, materials are collected through the grain collecting and outputting device 10 and guided to be output to the belt grain discharging and conveying device 20 from the grain outlet, and finally, the materials are output and uniformly collected under the conveying action of the belt grain discharging and conveying device 20; the grain conveyor 20 comprises a belt conveying output mechanism 21 and a lateral shielding mechanism 22 arranged on the surface of the belt conveying output mechanism 21, wherein the belt conveying output mechanism 21 is used for receiving materials output by the grain conveyor 10 and conveying the materials, the lateral shielding mechanism 22 comprises two side baffles 221 which are oppositely arranged along the direction perpendicular to the conveying direction, the side baffles 221 are fixedly arranged on the belt conveying output mechanism 21 and synchronously move along the conveying direction along with the belt conveying output mechanism 21, a grain outlet is arranged towards the material receiving end of the belt conveying output mechanism 21 and is positioned between the two side baffles 221, the materials can be prevented from being splashed out to the outside of the belt conveying output mechanism 21 when being output to the belt conveying output mechanism 21, and the materials can only move along the conveying direction under the shielding action of the two side baffles 221, so that the materials are prevented from falling from the lateral direction of the conveying belt, the problems that grains are easy to spill in the grain discharge and collection process, and a large amount of manpower is required to be wasted due to manual grain collection and drying are solved.

As will be appreciated, the belt conveyor output mechanism 21 has a receiving end and a discharge end, and the belt conveyor output mechanism 21 is movably disposed in the conveying direction so that the material moves from the receiving end toward the discharge end and is discharged at the discharge end, and the side baffles 221 are fixedly disposed on the conveyor belt 212 of the belt conveyor output mechanism 21 and move synchronously with the conveyor belt 212. The grain outlet can be arranged at the lateral direction of the grain collecting and outputting device 10 or at the bottom of the grain collecting and outputting device 10, as long as the grain outlet is arranged towards the receiving end of the belt conveying and outputting mechanism 21, the materials output by the grain outlet are received by the receiving end of the belt grain discharging and conveying device 20. According to the utility model, the grain outlet is arranged at the bottom of the grain collecting and outputting device 10, the belt conveying and outputting mechanism 21 is arranged at the lower side of the grain collecting and outputting device 10, the grain outlet of the grain collecting and outputting device 10 extends downwards to face the material conveying surface of the belt conveying and outputting mechanism 21 and is arranged between the two side baffles 221, and the material is discharged from the grain outlet into the material receiving end of the belt conveying and outputting mechanism 21 through the dead weight of the material, so that the structure is simple.

Referring to fig. 3 again, further, the belt conveying output mechanism 21 includes a conveying frame 211, a conveying belt 212, and conveying rollers 213, the two conveying rollers 213 are oppositely disposed on the conveying frame 211 along a length direction (i.e., a conveying direction) of the conveying frame 211, the conveying rollers 213 are rotatably disposed around a central axis thereof, the conveying belt 212 is disposed around the two conveying rollers 213 and is formed with an upper conveying belt and a lower revolving belt, the conveying rollers 213 are used for driving the conveying belt 212 to move along the conveying direction, the two side baffles 221 are oppositely disposed on the conveying belt 212 along a width direction (i.e., perpendicular to the conveying direction) of the conveying belt 212, the side baffles 221 are disposed protruding from a surface of the conveying belt 212 and synchronously moving around the conveying rollers 213 along with the conveying belt 212, and the grain outlet is disposed toward the surface of the upper conveying belt and is located between the two side baffles 221. As can be appreciated, the conveyor belt 212 is driven to rotate around the conveyor roller 213 by the conveyor roller 213, so that the conveyor belt 212 is moved in the conveying direction to perform material conveyance.

Specifically, in the present utility model, the grain outlet is disposed vertically downward toward the upper conveyor belt and between the two side baffles 221, and a vertical gap is left between the upper conveyor belt and the lower revolving belt.

Further, in order to improve the self-adaptation of the side barrier 221, the side barrier 221 is a wave-shaped flexible plate extending in a wave shape, and to avoid the side barrier 221 from being broken when rotating around the conveying roller 213 with the conveying belt 212.

Further, the side baffles 221 are made of PVC material or silicone material. The side baffles 221 are made of PVC materials or silica gel materials, and the side baffles 221 are adaptively tensioned or stretched along with the rotation of the conveying belt 212 around the conveying roller 213, so that the structure is reasonable.

Further, in order to avoid the material from falling and overflowing when the material receiving end receives the material or from sliding out from the side during the conveying process, the side baffle 221 protrudes from the surface of the conveying belt 212 by 5 to 30 mm.

Referring to fig. 3 and 4, further, in order to avoid the deformation of the conveyor belt 212 caused by stress damage in multiple directions to the side baffles 221, the belt conveying output mechanism 21 further includes a belt pallet 214 disposed on the conveyor frame 211 along the length direction of the conveyor frame 211, where the belt pallet 214 is disposed between the upper conveyor belt and the lower revolving belt for supporting the upper conveyor belt from the lower portion of the upper conveyor belt.

Further, in order to facilitate collection and removal of the stone slag, damage to the belt grain delivery device 20 is avoided, the bearing surface of the belt pallet 214 is a V-shaped surface gradually inclined downwards along two sides towards the middle direction, a discharge hole is formed in the bottom of the belt pallet 214, the belt conveying output mechanism 21 further comprises a cleaning scraper 215, the cleaning scraper 215 is located between the belt pallet 214 and the lower layer revolving belt, and the cleaning scraper 215 is used for scraping materials located on the lower layer revolving belt from the back of the lower layer revolving belt.

Further, the cleaning blade 215 includes a connecting rod, an adaptive rod, and a blade, the connecting rod is disposed along a width direction of the conveying frame 211, the connecting rod is rotatably disposed around a central axis thereof, a first end of the adaptive rod is hinged to the connecting rod, the blade is hinged to a second end of the adaptive rod, and the blade is a V-shaped plate that is opened toward an upstream along a downstream of the lower layer rotating belt. Through setting up clean scraper blade 215 includes connecting rod, self-adaptation pole and scraper blade, the connecting rod is followed the width direction setting of conveying frame 211, the connecting rod rotationally sets up around its axis, and the scraper blade relies on self gravity to place on lower floor's gyration area, and scraper blade and self-adaptation pole swing joint, and the scraper blade laminating is undulant and is discharged the ballast of lower floor's gyration upper surface from top to bottom along with the lower floor's gyration in the surface of lower floor's gyration area.

Referring to fig. 2 again, further, the grain collecting and outputting device 10 includes a grain collecting and discharging hopper 11, a guide plate 12 and a grain discharging wheel, the grain outlet is formed at the bottom of the grain collecting and discharging hopper 11, the grain collecting and discharging hopper 11 is formed above the conveying belt 212 and extends downwards so that the grain outlet is located between the two side baffles 221, the guide plate 12 and the grain discharging wheel are respectively located in the grain collecting and discharging hopper 11, and the material located at the downstream of the guide plate 12 is discharged to the receiving end of the conveying belt 212 through the grain outlet by rotating the grain discharging wheel. In the utility model, the grain collecting and discharging hopper 11 is a shrinkage reducing hopper with the bottom reduced to extend into the space between the two side baffles 221, the material is collected by the grain collecting and discharging hopper 11, the material reaching the grain collecting and discharging hopper 11 is guided by the guide plate 12 to be concentrated to the grain discharging wheel, then the grain discharging wheel rotates to discharge the grain to the grain outlet of the grain collecting and discharging hopper 11, and the grain outlet is shrinkage-shaped, so that the material falls to the material receiving end of the belt conveying and outputting mechanism 21 under the guidance of the output wall surface of the grain outlet.

Referring to fig. 5, further, in order to facilitate discharging materials, the grain discharging wheel includes a rotating wheel and a grain discharging plate, wherein a plurality of grain discharging plates are uniformly spaced along the circumference of the rotating wheel and are arranged on the circumferential surface of the rotating wheel, the grain discharging plate is an L-shaped plate, the vertical end of the grain discharging plate is fixedly connected with the rotating wheel, and the bending end of the grain discharging plate is provided with a bending end.

The utility model provides a grain discharging system 100, which comprises a grain collecting and outputting device 10 and a belt grain discharging and conveying device 20, wherein the grain collecting and outputting device 10 is provided with a grain outlet, materials in a grain discharging section of a box body of a dryer are collected through the grain collecting and outputting device 10 and guided to be output from the grain outlet to the belt grain discharging and conveying device 20 positioned outside the box body of the dryer, and finally, the materials are output and uniformly collected under the conveying action of the belt grain discharging and conveying device 20; the grain conveyor 20 comprises a belt conveying output mechanism 21 and a lateral shielding mechanism 22 arranged on the surface of the belt conveying output mechanism 21, wherein the belt conveying output mechanism 21 is used for receiving materials output by the grain collecting output device 10 and conveying the materials, the side shielding plate 221 is fixedly arranged on the belt conveying output mechanism 21 and synchronously moves along with the belt conveying output mechanism 21 along the conveying direction, a grain outlet is arranged towards the receiving end of the belt conveying output mechanism 21 and is positioned between the two side shielding plates 221, so that the materials can be prevented from being splashed out of the belt conveying output mechanism 21 when being output from the grain outlet to the belt conveying output mechanism 21, and the materials can only move along the conveying direction under the action of the two side shielding plates 221 in the process of conveying the materials, so that the materials are prevented from falling from the lateral direction, the technical problems that grains are easy to fall down in the grain discharging and collecting process of the existing grain dryer, the falling down grains need to be manually collected again and a large amount of manpower are solved.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A grain discharging system is characterized in that,

comprises a grain collecting output device and a belt grain discharging and conveying device, wherein the grain collecting output device is provided with a grain outlet, the belt grain discharging and conveying device is arranged at the output side of the grain outlet and is used for receiving and conveying the materials output by the grain collecting output device,

the belt grain discharging and conveying device comprises a belt conveying output mechanism and a lateral shielding mechanism arranged on the surface of the belt conveying output mechanism, the belt conveying output mechanism is movably arranged along the conveying direction,

the lateral shielding mechanism comprises two side baffles which are oppositely arranged along the direction perpendicular to the conveying direction, the side baffles are fixedly arranged on the belt conveying output mechanism and synchronously move along the conveying direction along with the belt conveying output mechanism, and the grain outlet faces to the receiving end of the belt conveying output mechanism and is positioned between the two side baffles.

2. The grain removal system of claim 1, wherein,

the belt conveying output mechanism comprises a conveying frame, a conveying belt and conveying rollers, wherein the two conveying rollers are oppositely arranged on the conveying frame along the length direction of the conveying frame, the conveying rollers are rotatably arranged around the central axis of the conveying rollers, the conveying belt is arranged around the two conveying rollers and is provided with an upper layer conveying belt and a lower layer revolving belt, the conveying rollers are used for driving the conveying belt to move along the conveying direction,

the two side baffles are oppositely arranged on the conveying belt along the width direction of the conveying belt, the side baffles protrude out of the surface of the conveying belt and synchronously move around the conveying roller along with the conveying belt, and the grain outlet is arranged towards the surface of the upper layer conveying belt and is positioned between the two side baffles.

3. The grain removal system of claim 2, wherein,

the side baffle is a wavy flexible plate extending in a wavy shape.

4. The grain discharge system according to claim 3, wherein,

the side baffle is made of PVC material or silica gel material.

5. The grain discharge system according to claim 3, wherein,

the side baffles protrude from the surface of the conveyor belt by 5 to 30 mm.

6. The grain removal system of claim 2, wherein,

the belt conveying output mechanism further comprises a belt supporting plate arranged on the conveying frame along the length direction of the conveying frame, and the belt supporting plates are arranged between the upper layer conveying belt and the lower layer revolving belt and used for supporting the upper layer conveying belt from the lower part of the upper layer conveying belt.

7. The grain removal system of claim 6, wherein,

the bearing surface of the belt supporting plate is a V-shaped surface which gradually inclines downwards along the two sides towards the middle direction, the bottom of the groove of the belt supporting plate is provided with a discharging hole,

the belt conveying output mechanism further comprises a cleaning scraping plate, wherein the cleaning scraping plate is located between the belt supporting plate and the lower layer rotating belt and used for scraping materials located on the lower layer rotating belt from the back surface of the lower layer rotating belt.

8. The grain removal system of claim 7, wherein,

the cleaning scraper comprises a connecting rod, a self-adaptive rod and a scraper, wherein the connecting rod is arranged along the width direction of the conveying frame and is rotatably arranged around the central axis of the connecting rod,

the first end of the self-adaptive rod is hinged with the connecting rod, the scraping plate is hinged with the second end of the self-adaptive rod, and the scraping plate is a V-shaped plate which is opened towards the upstream along the downstream of the lower layer revolving belt.

9. The grain delivery system of any one of claims 2 to 8,

the grain collecting and outputting device comprises a grain collecting and discharging hopper, a guide plate and a grain discharging wheel, wherein the grain discharging port is arranged at the bottom of the grain collecting and discharging hopper, the grain collecting and discharging hopper is arranged above a conveying belt and extends downwards so that the grain discharging port is positioned between the two side edge baffles,

the guide plate and the grain discharging wheel are respectively arranged in the grain collecting and discharging hopper, and materials positioned at the downstream of the guide plate are discharged to the receiving end of the conveying belt through the grain outlet by rotating the grain discharging wheel.

10. The grain removal system of claim 9, wherein,

the grain discharging wheel comprises a rotating wheel and a grain discharging plate, wherein a plurality of grain discharging plates are uniformly arranged on the circumferential surface of the rotating wheel at intervals along the circumferential direction of the rotating wheel, the grain discharging plate is an L-shaped plate, the vertical end of the grain discharging plate is fixedly connected with the rotating wheel, and the bending end of the grain discharging plate is provided with a plurality of grooves.