A grain threshing and separating machine

By designing a conveyor belt and hook structure, the automated conveying and pre-threshing of grains in the threshing and separating agricultural machinery is realized, solving the problems of high physical labor consumption and low efficiency caused by manual handling in the existing technology, improving work efficiency and reducing grain damage.

CN224343876UActive Publication Date: 2026-06-12YULIN UNIV

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
YULIN UNIV
Filing Date
2026-05-12
Publication Date
2026-06-12

AI Technical Summary

Technical Problem

Existing threshing and separating agricultural machinery has a limited feed bin volume when operating with small agricultural machinery or tractor-trailer harvesters. Operators need to manually handle the grain, which results in high physical exertion, low work efficiency, and increased labor intensity and heatstroke risk in hot weather.

Method used

Design a grain threshing and separating agricultural machine that uses a conveyor belt and hook structure. The conveyor belt automatically picks up the grain from the placement plate and pours it into the feed hopper. Combined with the guide ramp and baffle structure, it realizes automated grain conveying and pre-threshing, reducing manual operation.

🎯Benefits of technology

It enables automated grain conveying, reduces the physical exertion of operators, shortens the residence time of grain in the thresher, improves work efficiency, and reduces mechanical damage to the grain.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a threshing machine field especially relates to a kind of grain threshing and separating agricultural machine.The utility model relates to a kind of grain threshing and separating agricultural machine, operator only needs to carry harvested grain in turn to placing plate, grain will slide to the conveyor below along inclined placing plate, conveyor control conveyor belt drives each hook in turn and picks up grain batched piled on placing plate, and grain is automatically poured into feed bin by hook controlled by conveyor belt, grain is automatically slid into threshing mechanism in threshing machine and is threshed, whole process does not need operator to repeatedly bend over and pick up grain and send into feed bin, improve the use convenient degree of grain threshing and separating agricultural machine, after the pre-removal treatment of baffle rod, reduce the harm of mechanical structure to grain when threshing machine is running.It solves the technical problems that operator must manually repeatedly carry grain and pour into the feed bin of threshing machine, physical consumption is large, and work efficiency is poor.
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Description

Technical Field

[0001] This utility model relates to the field of threshing machines, and more particularly to a grain threshing and separating agricultural machine. Background Technology

[0002] Grain threshing and separating machinery is a core piece of equipment in modern mechanized agricultural production. Its main function is to complete multiple processes such as harvesting, threshing, separating, and cleaning of mature grain ears on-site in one go. After being screened by multiple layers of screens, the clean grains smoothly enter the grain collection bin. This technology greatly saves the physical labor of traditional manual threshing, enabling farmers to complete large-scale grain harvesting in a short time. Although existing threshing and separating machinery is already very efficient in on-site operation, the feed bin of the threshing and separating device is usually designed with limited capacity when operating in grain harvesting sites, especially when small agricultural machinery or tractor-trailer harvesters are in operation. Operators must manually carry and pour the piled-up grain into the feed bin one bundle at a time. Operators not only need to bend over repeatedly to carry the grain, resulting in high physical exertion, but also, in hot weather or during long-term operation, the frequent carrying operations will significantly increase the labor intensity and the risk of heatstroke for the workers. Utility Model Content

[0003] To overcome the shortcomings of operators having to manually and repeatedly move and pour grain into the thresher's feed hopper, which is physically demanding and inefficient, this utility model provides a grain threshing and separating agricultural machine.

[0004] Technical solution: A grain threshing and separating agricultural machine, comprising a thresher, a feed hopper, a collection hopper, a conveyor, a conveyor belt, and hooks; the thresher has a built-in threshing mechanism; the feed hopper is fixedly connected to the thresher; the collection hopper is fixedly connected inside the thresher; a conveyor is installed on the left and right sides of the feed hopper; a conveyor belt is wound around the conveyor; and several hooks are fixedly connected to the conveyor belt.

[0005] More preferably, the thresher is equipped with four casters.

[0006] More preferably, a guide ramp is fixed to both the left and right sides of the feed hopper.

[0007] More preferably, several baffles are fixed to the left and right sides of the feed hopper, and the surface of the baffles is provided with a textured structure to increase friction.

[0008] More preferably, the hook has an insert plate structure.

[0009] More preferably, a placement plate is fixed to the front side of the thresher, and the placement plate is aligned with the bottom of the conveyor.

[0010] More preferably, the placement plate is designed to be tilted backward and downward.

[0011] More preferably, two towing arms are fixed to the front side of the placement plate.

[0012] Compared with the prior art, this utility model has the following advantages: The grain threshing and separating agricultural machine of this utility model allows operators to simply transport the harvested grain onto the placement plate. The grain will slide along the inclined placement plate towards the conveyor below. The conveyor controls the conveyor belt to sequentially drive each hook to pick up the grain piled on the placement plate in batches. The conveyor belt then controls the hooks to automatically pour the grain into the feeding hopper. The grain automatically slides into the threshing mechanism inside the threshing machine for threshing. The entire process eliminates the need for operators to repeatedly bend over to pick up the grain and feed it into the feeding hopper, improving the ease of use of the grain threshing and separating agricultural machine. The pre-removal treatment by the baffle effectively shortens the residence time of the grain in the threshing machine, thereby reducing the damage to the grain caused by the mechanical structure during operation. This solves the technical problem of operators having to manually and repeatedly transport and pour the grain into the threshing machine's feeding hopper, resulting in high physical exertion and poor work efficiency. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model;

[0014] Figure 2 This is a schematic diagram of the hook structure of this utility model;

[0015] Figure 3 This is a schematic diagram of the placement plate structure of this utility model.

[0016] The above-mentioned figures include the following reference numerals: 1-threshing machine, 11-moving wheel, 2-feed hopper, 21-guide ramp, 22-stop bar, 3-collecting hopper, 41-conveyor, 42-conveyor belt, 43-hook, 431-insertion plate structure, 51-placement plate, 52-tow arm. Detailed Implementation

[0017] Although this invention may be described with respect to a particular application or industry, those skilled in the art will recognize its broader applicability. Those skilled in the art will understand that terms such as "above," "below," "upward," "downward," etc., are used to describe the drawings and not to indicate a limitation on the scope of the invention as defined by the appended claims. Any numerical designations such as "first" or "second" are merely illustrative and not intended to limit the scope of the invention in any way.

[0018] Example: A grain threshing and separating agricultural machine, such as Figures 1-3As shown, the threshing machine includes a threshing machine 1, moving wheels 11, a feed hopper 2, guide ramps 21, a collecting hopper 3, a conveyor 41, a conveyor belt 42, and hooks 43. The threshing machine 1 is equipped with four moving wheels 11. The threshing machine 1 has a built-in threshing mechanism. The feed hopper 2 is fixedly connected to the threshing machine 1. A guide ramp 21 is fixedly connected to the left and right sides of the feed hopper 2. Several baffles 22 are fixedly connected to the left and right sides of the feed hopper 2, and the surface of the baffles 22 has a textured structure to increase friction. The collecting hopper 3 is fixedly connected inside the threshing machine 1. A conveyor 41 is installed on the left and right sides of the feed hopper 2. A conveyor belt 42 is wound around each of the two conveyors 41. Several hooks 43 are fixedly connected to each of the two conveyor belts 42. Each hook 43 has an insert plate structure 431.

[0019] like Figure 1 and Figure 3 As shown, a placement plate 51 is fixedly connected to the front side of the thresher 1, and the placement plate 51 is aligned with the bottom of the conveyor 41; the placement plate 51 is designed to be inclined backward and downward; two drag arms 52 are fixedly connected to the front side of the placement plate 51.

[0020] When in use, the towing arm 52 is attached to an external tractor trailer. The tractor trailer pulls the towing arm 52, which drives the moving wheels 11 of the thresher 1 to move on the ground. The thresher 1 is then moved to the grain harvesting site. After the towing arm 52 is unloaded from the tractor trailer, the grain threshing work can begin.

[0021] First, start the threshing mechanism inside the threshing machine 1, and start the conveyor 41 to transport the grain on the conveyor belt 42. The operator sequentially piles the harvested grain onto the placement plate 51. The grain slides down the inclined placement plate 51 towards the conveyor 41. The continuously running conveyor belt 42 sequentially drives the hooks 43 to rise from the rear bottom to the front top. The insertion plate structure 431 of the hooks 43 inserts into the grain piled on the placement plate 51, and the hooks 43 lift some of the grain upward. Under the guidance of the guide inclined plates 21 on both sides, the grain moves towards the ground. The grain is gathered in the middle, and the conveyor belt 42 then drives the hook 43 to pour the lifted grain into the feed hopper 2. The grain enters the threshing mechanism in the threshing machine 1 along the feed hopper 2 for threshing. The threshed grains fall into the collection hopper 3 for collection. This solves the technical problem that the operator must manually and repeatedly move and pour the grain into the feed hopper of the threshing machine, which is physically demanding and has poor work efficiency. It also allows the grain to enter the threshing machine 1 in an orderly and intermittent manner, ensuring that the threshing machine 1 has sufficient space to thresh each batch of grain efficiently.

[0022] Furthermore, when the hook 43 pushes the grain over the feed hopper 2, the end of the grain with the grain will pass through the staggered baffles 22 from top to bottom. With the downward pressure of the hook 43, the textured structure on the surface of the baffles 22 will generate a large frictional force with the grains on the grain. Through this frictional force, some of the easily detached grains on the grain can be pre-removed. Finally, the grain, along with the remaining grains, slides into the thresher 1 along the feed hopper 2 for subsequent threshing. Since the grain has already undergone the pre-removal treatment by the baffles 22, the total threshing time of the grain in the thresher 1 can be reduced by at least half compared to the total threshing time without pre-removal treatment. This effectively shortens the residence time of the grain in the thresher 1, thereby reducing the damage to the grain caused by the mechanical structure of the thresher 1 during operation and making the threshed grain structure more complete.

[0023] Those skilled in the art should understand that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by means of equivalent substitution or equivalent transformation fall within the protection scope of the present invention.

Claims

1. A grain threshing and separating agricultural machine, comprising a thresher (1); the thresher (1) having a built-in threshing mechanism; characterized in that, It also includes a feed hopper (2), a collection hopper (3), a conveyor (41), a conveyor belt (42), and hooks (43); the feed hopper (2) is fixedly connected to the threshing machine (1); the collection hopper (3) is fixedly connected inside the threshing machine (1); a conveyor (41) is installed on the left and right sides of the feed hopper (2); a conveyor belt (42) is wound around the conveyor (41); several hooks (43) are fixedly connected to the conveyor belt (42).

2. A grain threshing and separating agricultural machine according to claim 1, characterized in that, The thresher (1) is equipped with four wheels (11).

3. A grain threshing and separating agricultural machine according to claim 1, characterized in that, Several guide ramps (21) are fixed to the left and right sides of the feed hopper (2).

4. A grain threshing and separating agricultural machine according to claim 1, characterized in that, Several baffles (22) are fixed to the left and right sides of the feed hopper (2), and the surface of the baffles (22) is provided with a textured structure to increase friction.

5. A grain threshing and separating agricultural machine according to claim 1, characterized in that, The hook (43) is equipped with a plate structure (431).

6. A grain threshing and separating agricultural machine according to any one of claims 1-5, characterized in that, A placement plate (51) is fixed to the front side of the thresher (1), and the placement plate (51) is aligned with the bottom of the conveyor (41).

7. A grain threshing and separating agricultural machine according to claim 6, characterized in that, The placement plate (51) is designed to be tilted backward and downward.

8. A grain threshing and separating agricultural machine according to claim 6, characterized in that, Two towing arms (52) are fixed to the front side of the placement plate (51).