Automatic threshing apparatus for wheat breeding

By designing an automatic threshing device, utilizing a structure consisting of a rotating shaft, a fixed disc, a toothed plate, and a motor drive, the fatigue problem caused by manually grasping wheat stalks was solved, achieving efficient and damage-free wheat grain threshing.

CN224439752UActive Publication Date: 2026-07-03FENGTAI COUNTY NONGZHUANG AGRICULTURAL DEVELOPMENT CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
FENGTAI COUNTY NONGZHUANG AGRICULTURAL DEVELOPMENT CO LTD
Filing Date
2025-06-17
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

Existing automated threshing devices for micro-wheat breeding require manual handling of the wheat stalks, leading to muscle fatigue in the hands, arms, and shoulders, affecting work efficiency and potentially causing health problems.

Method used

An automatic threshing device for wheat breeding was designed. It adopts a structure consisting of a rotating shaft, a fixed disc, a toothed plate, a guide arc plate, and a motor drive. The device automatically fixes and detaches the wheat ears through an electric push rod and a pressing component. The staggered tooth groove design improves threshing efficiency and avoids manual operation.

Benefits of technology

It enables efficient threshing without the need for manual handling of wheat stalks, reducing labor intensity, improving work efficiency, avoiding human injury, and ensuring a smooth and efficient threshing process.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model relates to the field of wheat threshing technology and provides an automatic threshing device for wheat breeding, including a threshing box. A rotating shaft is rotatably connected inside the threshing box. Two symmetrically distributed fixed discs are fixedly sleeved on the outer wall of the rotating shaft. Multiple evenly distributed toothed plates are fixedly connected between the two fixed discs. A feed inlet is provided at the upper end of the side wall of the threshing box. A guide arc plate is fixedly connected to the inner wall of the threshing box. A motor is fixedly connected to the bottom end of the inner wall of the threshing box. A fixed frame is fixedly connected to the side of the threshing box with the feed inlet. A first sliding plate is slidably connected to the inner wall of the fixed frame, and a thrust assembly is fitted between the first sliding plate and the fixed frame. A holding plate is fixedly connected to the first sliding plate, and a squeezing assembly is also provided on the first sliding plate. This utility model has the advantages of avoiding the injury to the human body caused by manually grasping wheat stalks for threshing and effectively improving work efficiency.
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Description

Technical Field

[0001] This utility model relates to the field of wheat threshing technology, and in particular to an automatic threshing device for wheat breeding. Background Technology

[0002] Wheat is a cereal crop and one of the three major grains. After it matures, wheat can be fermented to make wine, ground into flour to make various delicacies, and even used to make biomass fuel. When micro-wheat grains are used for breeding, the wheat needs to be threshed.

[0003] Existing automatic threshing devices for micro-wheat breeding sometimes require manual grasping of the wheat stalks before the machine separates the grains from the ears. While this effectively ensures the separation of the grains, manually grasping the stalks requires continuous force, which can easily lead to muscle fatigue and strain in the hands, arms, and shoulders, especially during prolonged operation. This high-intensity labor not only affects work efficiency but may also cause long-term health damage.

[0004] Therefore, in view of the above situation, there is an urgent need to develop an automatic threshing device for wheat breeding to overcome the shortcomings in current practical applications. Utility Model Content

[0005] The purpose of this utility model embodiment is to provide an automatic threshing device for wheat breeding, which aims to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] An automatic threshing device for wheat breeding includes a threshing box. A rotating shaft is rotatably connected inside the threshing box. Two symmetrically distributed fixed discs are fixedly sleeved on the outer wall of the rotating shaft. A plurality of evenly distributed toothed plates are fixedly connected between the two fixed discs. A feed inlet is opened at the upper end of the side wall of the threshing box. A guide arc plate is fixedly connected to the inner wall of the threshing box. A motor is fixedly connected to the bottom end of the inner wall of the threshing box. A fixed frame is fixedly connected to the side of the threshing box with the feed inlet. A first sliding plate is slidably connected to the inner wall of the fixed frame. A thrust assembly is configured between the first sliding plate and the fixed frame. The thrust assembly is used to drive the first sliding plate to slide along the inner wall of the fixed frame. A holding plate is fixedly connected to the first sliding plate. An extrusion assembly is also configured on the first sliding plate.

[0008] A further technical solution involves staggering the corresponding tooth grooves on adjacent tooth plates.

[0009] In a further technical solution, the holding plate is U-shaped.

[0010] In a further technical solution, the plurality of said toothed plates are axially evenly distributed around the rotating shaft, and the center of the guide arc plate is on the axis of rotation.

[0011] In a further technical solution, the thrust assembly includes a first support plate, an electric push rod, and a second support plate; the lower end of the first slide plate is fixedly connected to the second support plate, the lower end of the fixing frame is fixedly connected to the first support plate, and an electric push rod is fixedly connected between the first support plate and the second support plate.

[0012] In a further technical solution, the extrusion assembly includes a support frame, a second slide plate, an extrusion block, an electric telescopic rod, and a chute; the support frame is fixed on the first slide plate, the support frame has a chute, the inner wall of the chute is slidably connected to the second slide plate, and the electric telescopic rod is fixedly connected between the second slide plate and the top of the support frame, and the extrusion block is fixedly connected to the lower end of the second slide plate.

[0013] In summary, the embodiments of this utility model have the following beneficial effects compared with the prior art:

[0014] 1. By controlling the extension of the electric telescopic rod, the electric telescopic rod drives the second slide plate to slide along the inner wall of the chute. Then, the second slide plate drives the extrusion block to descend and extrude the wheat, thereby fixing the wheat on the holding plate. Then, the electric push rod is controlled to retract. Then, the electric push rod drives the first slide plate to slide towards the feed inlet through the second support plate until the wheat ears pass through the feed inlet and enter the threshing box. Then, the toothed plate extrudes the wheat ears to fit against the inner wall of the guide arc plate and separates the wheat ears, thereby avoiding the injury to the human body caused by manually grabbing the wheat stalks for threshing, and thus effectively improving work efficiency.

[0015] 2. The U-shaped holding plate facilitates the placement of wheat, and the wheat is effectively fixed and extruded by the combination of the holding plate and the extrusion block;

[0016] 3. By staggering the corresponding grooves on adjacent toothed plates, the threshing effect is enhanced. This design allows the grooves to more fully contact and peel the grains off the ears of wheat when the toothed plates rotate and squeeze them. Because the grooves are staggered, they can squeeze and peel the ears of wheat at different positions and angles, ensuring that the grains can be removed from the ears more thoroughly. This staggered design also helps to avoid excessive resistance or jamming during the rotation of the toothed plates, making the threshing process smoother and more efficient.

[0017] To more clearly illustrate the structural features and effects of this utility model, the following detailed description of this utility model is provided in conjunction with the accompanying drawings and specific embodiments. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of the present utility model;

[0019] Figure 2 This is a three-dimensional structural schematic diagram of the present invention from another perspective;

[0020] Figure 3 This is a bottom-view three-dimensional structural diagram of the present invention;

[0021] Figure 4 This is a schematic diagram of the three-dimensional cross-section structure of this utility model;

[0022] Figure 5 This is a three-dimensional structural diagram of the inside of the threshing box of this utility model.

[0023] In the diagram: 1. Threshing box; 2. Rotating shaft; 3. Fixed plate; 4. Toothed plate; 5. Guide arc plate; 6. Motor; 7. Discharge inclined plate; 8. Feed inlet; 9. Fixed frame; 10. First slide plate; 11. Holding plate; 12. Extrusion assembly; 121. Support frame; 122. Second slide plate; 123. Extrusion block; 124. Electric telescopic rod; 125. Slide groove; 13. Thrust assembly; 131. First support plate; 132. Electric push rod; 133. Second support plate. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this utility model and are not intended to limit this utility model.

[0025] The specific implementation of this utility model will be described in detail below with reference to specific embodiments.

[0026] like Figures 1-5 As shown in the figure, this utility model embodiment provides an automatic threshing device for wheat breeding, including a threshing box 1. A rotating shaft 2 is rotatably connected inside the threshing box 1. Two symmetrically distributed fixed discs 3 are fixedly sleeved on the outer wall of the rotating shaft 2. A plurality of evenly distributed toothed plates 4 are fixedly connected between the two fixed discs 3. A feed inlet 8 is opened at the upper end of the side wall of the threshing box 1. A guide arc plate 5 is fixedly connected to the inner wall of the threshing box 1. A discharge inclined plate 7 is fixedly connected to the bottom end of the inner wall of the threshing box 1. The threshing box 1 with the feed inlet 8 has one A fixing frame 9 is fixedly connected to the side. A first sliding plate 10 is slidably connected to the inner wall of the fixing frame 9. A thrust assembly 13 is provided between the first sliding plate 10 and the fixing frame 9. The thrust assembly 13 is used to drive the first sliding plate 10 to slide along the inner wall of the fixing frame 9. A holding plate 11 is fixedly connected to the first sliding plate 10. The holding plate 11 is used to place unthreshed wheat. A squeezing assembly 12 is also provided on the first sliding plate 10. The squeezing assembly 12 is used to squeeze and fix the wheat stalks on the holding plate 11.

[0027] Furthermore, the corresponding grooves on adjacent toothed plates 4 are staggered, thereby enhancing the threshing effect. This design allows the grooves to more fully contact and peel the grains off the ears of wheat when the toothed plates 4 rotate and squeeze them. Because the grooves are staggered, they can squeeze and peel the ears of wheat at different positions and angles, ensuring that the grains can be more thoroughly removed from the ears of wheat. This staggered design also helps to avoid excessive resistance or jamming during the rotation of the toothed plates, making the threshing process smoother and more efficient.

[0028] Furthermore, the holding plate 11 is U-shaped, which facilitates the placement of wheat.

[0029] Furthermore, the plurality of toothed plates 4 are evenly distributed axially around the rotating shaft 2, and the center of the guide arc plate 5 is on the axis of the rotating shaft 2. The wheat is threshed by the cooperation of the toothed plates 4 and the guide arc plate 5.

[0030] like Figure 3 As shown, the thrust assembly 13 includes a first support plate 131, an electric push rod 132, and a second support plate 133; the lower end of the first slide plate 10 is fixedly connected to the second support plate 133, the lower end of the fixing frame 9 is fixedly connected to the first support plate 131, and the electric push rod 132 is fixedly connected between the first support plate 131 and the second support plate 133.

[0031] Specifically, the electric push rod 132 is controlled to extend or retract, and then the electric push rod 132 drives the first slide plate 10 to slide through the second support plate 133.

[0032] like Figure 1 and Figure 2 As shown, the extrusion assembly 12 includes a support frame 121, a second slide plate 122, an extrusion block 123, an electric telescopic rod 124, and a groove 125; the support frame 121 is fixed on the first slide plate 10, the support frame 121 is provided with a groove 125, the second slide plate 122 is slidably connected to the inner wall of the groove 125, and the electric telescopic rod 124 is fixedly connected between the second slide plate 122 and the top of the support frame 121, and the extrusion block 123 is fixedly connected to the lower end of the second slide plate 122.

[0033] Furthermore, the length of the extrusion block 123 is equal to the length of the inner wall of the holding plate 11, and the length of the second sliding plate 122 is longer than the length of the holding plate 11.

[0034] Specifically, the unthreshed wheat is placed on the holding plate 11, and then the electric telescopic rod 124 is extended. After that, the electric telescopic rod 124 drives the second slide plate 122 to slide along the inner wall of the slide groove 125. Then, the second slide plate 122 drives the extrusion block 123 to descend and extrude the wheat, thereby fixing the wheat on the holding plate 11.

[0035] In this embodiment of the invention, by controlling the extension of the electric telescopic rod 124, the electric telescopic rod 124 drives the second sliding plate 122 to slide along the inner wall of the groove 125. Then, the second sliding plate 122 drives the extrusion block 123 to descend and extrude the wheat, thereby fixing the wheat onto the holding plate 11. Then, the electric push rod 132 is controlled to retract, and then the electric push rod 132 drives the first sliding plate 10 to slide towards the feed inlet 8 through the second support plate 133 until the wheat ears pass through the feed inlet 8 and enter the threshing box 1. Subsequently, the toothed plate 4 extrudes the wheat ears to conform to the inner wall of the guide arc plate 5 and detaches the wheat ears, thereby avoiding the injury to the human body caused by manually grasping the wheat stalks for threshing. This design effectively improves work efficiency. The U-shaped holding plate 11 facilitates the placement of wheat, and the combination of the holding plate 11 and the extrusion block 123 effectively secures and extrudes the wheat. The staggered tooth grooves on adjacent toothed plates 4 enhance the threshing effect. This design allows the tooth grooves to more fully contact and peel the wheat grains from the ears when the toothed plates 4 rotate and extrude the wheat. Because the tooth grooves are staggered, they can extrude and peel the wheat at different positions and angles, ensuring that the wheat grains can be more thoroughly removed from the ears. This staggered design also helps to avoid excessive resistance or jamming during the rotation of the toothed plates, making the threshing process smoother and more efficient.

[0036] The working principle of this utility model is as follows: The motor 6 is started, and then the motor 6 drives the rotating shaft 2 to rotate. The rotating shaft 2 then drives the toothed plate 4 to rotate around the rotating shaft 2 via the fixed plate 3, placing the unthreshed wheat on the holding plate 11. Then, the electric telescopic rod 124 is controlled to extend, and then the electric telescopic rod 124 drives the second sliding plate 122 to slide along the inner wall of the slide groove 125. Next, the second sliding plate 122 drives the pressing block 123 to descend and press the wheat, thereby fixing the wheat on the holding plate 11. Then, the electric push rod 132 is controlled to retract, and then the electric push rod 132 drives the first sliding plate 10 to move towards the second support plate 133. The wheat stalks slide towards the feed inlet 8 until they pass through the feed inlet 8 and enter the threshing box 1. Then, the toothed plate 4 squeezes the wheat stalks against the inner wall of the guide arc plate 5 and separates the wheat stalks. The wheat grains pass through the discharge inclined plate 7 and then slide out. When new wheat needs to be replaced, the electric push rod 132 is extended. Then, the electric push rod 132 drives the first slide plate 10 away from the feed inlet 8 through the second support plate 133. Then, the electric telescopic rod 124 is retracted. Then, the electric telescopic rod 124 drives the second slide plate 122 to rise. Then, the second slide plate 122 drives the extrusion block 123 to rise, thereby releasing the threshed wheat stalks.

[0037] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A wheat breeding automatic threshing equipment, comprising a threshing box (1), a rotating shaft (2) is rotatably connected in the threshing box (1), characterized in that, Two symmetrically distributed fixed discs (3) are fixedly sleeved on the outer wall of the rotating shaft (2). Multiple evenly distributed toothed plates (4) are fixedly connected between the two fixed discs (3). A feed inlet (8) is opened at the upper end of the side wall of the threshing box (1). A guide arc plate (5) is fixedly connected to the inner wall of the threshing box (1). A motor (6) is fixedly connected to the bottom end of the inner wall of the threshing box (1). A fixed frame (9) is fixedly connected to the side of the threshing box (1) with the feed inlet (8). A first sliding plate (10) is slidably connected to the inner wall of the fixed frame (9). A thrust assembly (13) is provided between the first sliding plate (10) and the fixed frame (9). The thrust assembly (13) is used to drive the first sliding plate (10) to slide along the inner wall of the fixed frame (9). A holding plate (11) is fixedly connected to the first sliding plate (10). An extrusion assembly (12) is also provided on the first sliding plate (10).

2. The automatic threshing apparatus for wheat breeding according to claim 1, wherein The corresponding tooth grooves on adjacent tooth plates (4) are staggered.

3. The automatic threshing apparatus for wheat breeding according to claim 1, wherein The holding plate (11) is U-shaped.

4. The automatic threshing apparatus for wheat breeding according to claim 1, wherein Multiple toothed plates (4) are evenly distributed axially around the rotating shaft (2), and the center of the guide arc plate (5) is on the axis of the rotating shaft (2).

5. The automatic threshing apparatus for wheat breeding according to claim 1, wherein The thrust assembly (13) includes a first support plate (131), an electric push rod (132), and a second support plate (133). The lower end of the first slide (10) is fixedly connected to the second support plate (133), the lower end of the fixing frame (9) is fixedly connected to the first support plate (131), and an electric push rod (132) is fixedly connected between the first support plate (131) and the second support plate (133).

6. The automatic threshing apparatus for wheat breeding according to claim 5, wherein The extrusion assembly (12) includes a support frame (121), a second slide plate (122), an extrusion block (123), an electric telescopic rod (124), and a chute (125). A support frame (121) is fixed on the first slide plate (10). A slide groove (125) is provided on the support frame (121). A second slide plate (122) is slidably connected to the inner wall of the slide groove (125). An electric telescopic rod (124) is fixedly connected between the second slide plate (122) and the top of the support frame (121). An extrusion block (123) is fixedly connected to the lower end of the second slide plate (122).