Rice harvesting and threshing device

Abstract

The utility model relates to the technical field of rice processing, in particular to a rice harvesting and threshing device. According to the rice harvesting and threshing device, empty shells and powder can be collected while rice is threshed, the threshed rice can be subjected to vibration screening, function integration is achieved, and the practicability and the rice processing efficiency of the device are improved. A rice harvesting and threshing device comprises a supporting frame, a collecting box and the like, and the collecting box is placed on the lower portion of the supporting frame. According to the rice thresher, threshing is conducted through the threshing roller, rice falls onto the discharging plate, meanwhile, fan blades rotate for guiding flow, empty shells and powder are blown into the dust collector, meanwhile, the eccentric wheel rotates, the screen is driven to move up and down, the empty shells and the powder can be collected while the rice is threshed, and the rice thresher is convenient to use. And the threshed rice can be subjected to vibration screening, function integration is achieved, and the practicability of the device and the rice processing efficiency are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of rice processing, in particular to a rice harvesting and threshing device. Background Art

[0002] Rice is an important food crop belonging to the genus Oryza in the Poaceae family. It is the main food source for about half of the world's population. Rice harvesting and threshing is an important link in agricultural production, which refers to the process of separating mature rice grains from rice stalks.

[0003] The existing rice harvesting and threshing process usually involves threshing the rice first, then collecting the threshed rice, and then transferring the collected rice to a screening device for screening. However, since the current device cannot achieve functional integration, it is inconvenient to thresh and vibrate screen the same batch of rice at the same time, resulting in low processing efficiency.

[0004] Therefore, it is necessary to design a rice harvesting and threshing device that can collect empty husks and powder while threshing rice, and can vibrate and screen the threshed rice, so as to achieve functional integration and improve the practicality of the device and the efficiency of rice processing. Utility Model Content

[0005] In order to overcome the shortcomings of the current device that it is unable to achieve functional integration, is inconvenient to thresh and vibrate screen the same batch of rice at the same time, and has low processing efficiency, the utility model provides a rice harvesting and threshing device that can collect empty husks and powder while threshing rice, and can vibrate screen the threshed rice, thereby achieving functional integration and improving the practicality of the device and the rice processing efficiency.

[0006] The technical solution of the utility model is: a rice harvesting and threshing device, which includes a supporting frame, a collecting box, a shielding cover, a threshing and impurity removal component and a screening component. The collecting box is placed at the lower part of the supporting frame, the shielding cover is connected to the upper part of the supporting frame, the threshing and impurity removal component is provided on the shielding cover, and the screening component is provided between the threshing and impurity removal component and the supporting frame.

[0007] In one embodiment, a handle is provided on the right side of the collection box.

[0008] In one embodiment, the threshing and impurity removal component includes a motor, a rotating shaft, a threshing drum, fan blades, a discharge plate and a vacuum cleaner. The left and right parts of the support frame are connected to the motor, the rotating shaft is connected between the motor output shafts, the right part of the rotating shaft is connected to the threshing drum, the left part of the rotating shaft is connected to the fan blades, the inner side of the upper part of the support frame is connected to the discharge plate, the left rear part of the support frame is connected to the vacuum cleaner, and the vacuum cleaner is connected to the shielding cover.

[0009] In one embodiment, the blanking plate is an inclined structure.

[0010] In one embodiment, the screening assembly includes a flat belt, an eccentric wheel, a connecting rod and a screen. The upper part of the support frame is rotatably connected to the left and right eccentric wheels. The eccentric wheels are both located on the lower side of the shielding cover. Pulleys are provided on the eccentric wheels. Pulleys are also provided on the left and right parts of the rotating shaft. A flat belt is wrapped around the two adjacent pulleys. The outside of the eccentric wheels is rotatably connected to the connecting rods. The screens are rotatably connected between the connecting rods. The screens are slidably connected to the support frame.

[0011] In one embodiment, a feed nozzle is further included, and the front side of the right portion of the shielding cover is connected to the feed nozzle.

[0012] The beneficial effects are as follows: the utility model thres the rice through the threshing drum, causing the rice to fall onto the discharge plate, and at the same time, the fan blades rotate to guide the flow, so that the empty shells and powder are blown into the dust collector, and at the same time, the eccentric wheel rotates to drive the screen to move up and down, so that the empty shells and powder can be collected while threshing the rice, and the threshed rice can be vibrated and screened, thereby realizing functional integration and improving the practicality of the device and the rice processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the first three-dimensional structure of the utility model.

[0014] Figure 2 This is a schematic diagram of the second three-dimensional structure of the present invention.

[0015] Figure 3 It is a schematic diagram of the cross-sectional three-dimensional structure of the utility model.

[0016] In the accompanying drawings, 1-support frame, 2-collection box, 3-shielding cover, 4-feed nozzle, 5-motor, 6-rotating shaft, 7-flat belt, 8-threshing drum, 9-fan blades, 10-discharging plate, 11-vacuum cleaner, 12-eccentric wheel, 13-connecting rod, 14-screen. DETAILED DESCRIPTION

[0017] The embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0018] A rice harvesting and threshing device, such as Figure 1-Figure 3 As shown, it includes a support frame 1, a collecting box 2, a shielding cover 3, a feed nozzle 4, a threshing and impurity removal component and a screening component. The collecting box 2 is placed at the lower part of the support frame 1, and a handle is provided on the right side of the collecting box 2 for easy grasping and moving. The upper part of the support frame 1 is connected to the shielding cover 3, and the right front side of the shielding cover 3 is connected to the feed nozzle 4. The shielding cover 3 is provided with a threshing and impurity removal component, and a screening component is provided between the threshing and impurity removal component and the support frame 1.

[0019] like Figure 1-Figure 3As shown, the threshing and impurity removal assembly includes a motor 5, a rotating shaft 6, a threshing drum 8, fan blades 9, a blanking plate 10 and a dust collector 11. The left and right parts of the support frame 1 are connected to the motor 5. The rotating shaft 6 is connected between the output shafts of the motor 5. The right part of the rotating shaft 6 is connected to the threshing drum 8, and the left part of the rotating shaft 6 is connected to the fan blades 9. The inner side of the upper part of the support frame 1 is connected to the blanking plate 10. The blanking plate 10 is an inclined structure for easy unloading. The left rear part of the support frame 1 is connected to the dust collector 11, and the dust collector 11 is connected to the shielding cover 3.

[0020] like Figure 1-Figure 3 As shown, the screening assembly includes a flat belt 7, an eccentric wheel 12, a connecting rod 13 and a screen 14. The upper part of the support frame 1 is rotatably connected to the left and right eccentric wheels 12. The eccentric wheels 12 are both located on the lower side of the shielding cover 3. Pulleys are provided on the eccentric wheels 12. Pulleys are also provided on the left and right parts of the rotating shaft 6. A flat belt 7 is wound around the two adjacent pulleys. The outside of the eccentric wheels 12 is rotatably connected to the connecting rod 13. The screen 14 is rotatably connected between the connecting rods 13. The screen 14 is slidably connected to the support frame 1.

[0021] When using the present device, the support frame 1 is first placed in the rice harvesting and threshing area, and the rice is then discharged from the feed nozzle 4 into the space between the shielding cover 3 and the support frame 1, and the motor 5 is started at the same time to drive the rotating shaft 6 to rotate, so that the threshing drum 8 and the fan blades 9 rotate synchronously, and the rice is beaten and threshed by the threshing drum 8 so that the rice falls onto the discharge plate 10. At the same time, the fan blades 9 rotate to divert the air, so that the light empty shells and powder are blown into the dust collector 11, and the threshed rice falls onto the screen 14 through the discharge plate 10. The rotation of the rotating shaft 6 drives the pulley to rotate at the same time. Under the action of the rotation of the pulley and the flat belt 7, the eccentric wheel 12 is driven to rotate, so that the connecting rod 13 is rotated, and the screen 14 is driven to move up and down, so that the rice is discharged into the collecting box 2 through the screen 14, so that the empty shells and powder can be collected while the rice is threshed, and the threshed rice can be vibrated and screened, thereby realizing functional integration and improving the practicality and rice processing efficiency of the present device.

[0022] It should be understood that the embodiments are intended only to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the contents of the present invention, those skilled in the art may make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims.

Claims

1. A rice harvesting and threshing device, characterized in that: The invention comprises a support frame (1), a collecting box (2), a shielding cover (3), a threshing and impurity removal component and a screening component. The collecting box (2) is placed on the lower part of the support frame (1), the shielding cover (3) is connected to the upper part of the support frame (1), the threshing and impurity removal component is provided on the shielding cover (3), and the screening component is provided between the threshing and impurity removal component and the support frame (1).

2. The rice harvesting and threshing device according to claim 1, characterized in that: The right side of the collecting box (2) is provided with a handle.

3. The rice harvesting and threshing device according to claim 1, characterized in that: The threshing and impurity removal component comprises a motor (5), a rotating shaft (6), a threshing drum (8), a fan blade (9), a blanking plate (10) and a dust collector (11); the left and right parts of the support frame (1) are both connected to the motor (5); the rotating shaft (6) is connected between the output shafts of the motor (5); the right part of the rotating shaft (6) is connected to the threshing drum (8); the left part of the rotating shaft (6) is connected to the fan blade (9); the inner side of the upper part of the support frame (1) is connected to the blanking plate (10); the left rear part of the support frame (1) is connected to the dust collector (11); and the dust collector (11) is connected to the shielding cover (3).

4. The rice harvesting and threshing device according to claim 3, characterized in that: The blanking plate (10) is an inclined structure.

5. The rice harvesting and threshing device according to claim 1, characterized in that: The screening assembly comprises a flat belt (7), an eccentric wheel (12), a connecting rod (13) and a screen (14); the upper portion of the support frame (1) is rotatably connected to the left and right eccentric wheels (12); the eccentric wheels (12) are both located on the lower side of the shielding cover (3); a pulley is provided on the eccentric wheels (12); pulleys are also provided on the left and right portions of the rotating shaft (6); a flat belt (7) is wound around the two adjacent pulleys; the outside of the eccentric wheels (12) is rotatably connected to the connecting rod (13); the screen (14) is rotatably connected between the connecting rods (13); and the screen (14) is slidably connected to the support frame (1).

6. The rice harvesting and threshing device according to claim 1, characterized in that: It also includes a feed nozzle (4), and the front side of the right part of the shielding cover (3) is connected to the feed nozzle (4).

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