Grain recovery and cleaning device for a self-propelled corn harvester

Abstract

The application discloses a kernel recovery and screening device of a self-propelled corn harvester, and relates to the technical field of kernel recovery and screening devices.The kernel recovery and screening device comprises a screening shell, a mounting frame is fixedly connected to the left surface of the screening shell, the mounting frame is used for mounting and fixing the screening shell, and a collecting cavity is arranged in the screening shell; a screen is installed on the inner wall at the top of the screening shell, a filter screen is arranged at the bottom of the screen, and an inclined partition plate is arranged at the bottom of the filter screen; a poking assembly is installed on the side surface of the screening shell, and the poking assembly is used for poking and screening the kernels on the top side of the screen; and a vibrating mechanism is installed on the front side of the screening shell, and the vibrating mechanism is used for vibrating and knocking the filter screen and the inclined partition plate. The kernel recovery and screening device of the self-propelled corn harvester is novel in design and simple in structure, does not need secondary cleaning, directly meets the subsequent storage or processing requirements, and improves the screening efficiency.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of kernel recovery and screening device, and particularly relates to a kernel recovery and screening device of a self-propelled corn harvester. BACKGROUND

[0002] The self-propelled corn harvester has become the core harvesting equipment for large-scale corn planting in China due to high operation efficiency and strong adaptability. In the corn harvesting process, kernel recovery and screening are key links. On the one hand, part of the kernels will fall off during the ear picking and threshing process, and if not recovered in time, it will be easily missed in the field, resulting in yield loss. On the other hand, the harvested kernels are often mixed with impurities such as broken straw, corn cob debris, soil particles and possibly immature flat kernels, and if not thoroughly screened, it will not only affect the storage of kernels (easy to mildew), but also reduce the product quality of subsequent processing (such as flour making and oil pressing).

[0003] At present, the kernel recovery and screening device of the existing self-propelled corn harvester has some problems, such as that after the recovery mechanism is screened, small debris impurities in the corn kernels are mixed in the corn, which is not convenient for workers to screen and needs to be screened again, thereby reducing the screening efficiency. Therefore, the kernel recovery and screening device of the self-propelled corn harvester is proposed to solve the above problems. SUMMARY

[0004] The kernel recovery and screening device of the self-propelled corn harvester is provided in the embodiment to solve the problem that after the recovery mechanism is screened, small debris impurities in the corn kernels are mixed in the corn, which is not convenient for workers to screen and needs to be screened again, thereby reducing the screening efficiency.

[0005] According to one aspect of the present application, a kernel recovery and screening device of a self-propelled corn harvester is provided, which comprises a screening shell, a mounting frame is fixedly connected to the left side surface of the screening shell, the mounting frame is used for mounting and fixing the screening shell, and a collection cavity is arranged in the screening shell.

[0006] A screen is installed in the inner wall at the top end of the screening shell, a filter screen is arranged at the bottom side of the screen, and an inclined baffle is arranged at the bottom side of the filter screen.

[0007] A poking assembly is installed on the side surface of the screening shell, and the poking assembly is used for pocking and screening the kernels at the top side of the screen.

[0008] A vibrating mechanism is installed on the front side of the screening shell, and the vibrating mechanism is used for vibrating and knocking the filter screen and the inclined baffle.

[0009] Further, a discharge cylinder is fixedly communicated with the bottom end of the screening shell, and a discharge valve is installed at the bottom end of the discharge cylinder.

[0010] Further, the right end top side of the inclined partition plate is fixedly connected with the right end bottom side of the filter screen, the left end of the inclined partition plate is fixedly connected with the inner wall of the screening shell, and the left end of the inclined partition plate is provided with a sealing plug clamped on the left side of the screening shell.

[0011] Further, the right end of the screen is provided with a discharge outlet mounted on the right side of the screening shell, and the end of the discharge outlet is provided with a discharge shell mounted on the surface of the screening shell.

[0012] Further, the stirring assembly comprises a servo motor, rotating rollers and stirring rods, the servo motor is mounted on the front surface of the screening shell, the output end of the servo motor is connected with the rotating rollers, the surfaces of the rotating rollers are uniformly provided with the stirring rods, and the stirring rods are used for flattening the accumulated grains on the top side of the screening.

[0013] Further, the vibrating mechanism comprises a rotating motor, a rotating shaft, a spring and a rubber ball, the rotating motor is mounted on the side surface of the screening shell, the output end of the rotating motor is connected with the rotating shaft, the surface of the rotating shaft is fixedly connected with the spring, the end of the spring is fixedly connected with the rubber ball, and the rubber ball is knocked against the filter screen and the inclined partition plate in the rotating of the rotating shaft.

[0014] By the above-mentioned embodiments, the stirring assembly and the vibrating mechanism are adopted, and the problem that small broken and impure materials in the corn particles are mixed in the corn after the recycling mechanism is screened, the workers are inconvenient to screen, the recycling mechanism needs to be screened again, and the screening efficiency is reduced is solved. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description only some embodiments of the present application.

[0016] Fig. 1 It is a whole three-dimensional structure schematic diagram of one embodiment of the present application;

[0017] Fig. 2 It is a whole front cross-sectional view schematic diagram of one embodiment of the present application;

[0018] Fig. 3 It is a right side structure schematic diagram of one embodiment of the present application.

[0019] In the drawings: 1, mounting frame; 2, screening shell; 3, discharge cylinder; 4, collecting cavity; 5, inclined partition plate; 6, servo motor; 7, rotating roller; 8, stirring rod; 9, screen; 10, discharge shell; 11, rotating motor; 12, rotating shaft; 13, spring; 14, rubber ball; 15, filter screen; 16, sealing plug. DETAILED DESCRIPTION

[0020] In order to make personnel in the technical field better understand the scheme of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work should belong to the scope of protection of the present application.

[0021] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0022] The grain recovery and screening device of the embodiments of the present application will be introduced below.

[0023] Please refer to Figs. 1-3 As shown in FIG. 1, a grain recovery and screening device of a self-propelled corn harvester includes a screening shell 2, a mounting bracket 1 fixedly connected to the left surface of the screening shell 2, the mounting bracket 1 for mounting and fixing the screening shell 2, and a collection cavity 4 arranged in the screening shell 2.

[0024] A screen 9 is installed in the inner wall at the top end of the screening shell 2, a filter screen 15 is arranged at the bottom side of the screen 9, and an inclined partition plate 5 is arranged at the bottom side of the filter screen 15.

[0025] A poking assembly is installed on the side surface of the screening shell 2, and the poking assembly is used for the poking and screening of the grains on the top side of the screen 9.

[0026] A vibrating mechanism is installed on the front side of the screening shell 2, and the vibrating mechanism is used for the vibration and knocking of the filter screen 15 and the inclined partition plate 5.

[0027] The bottom end of the screening shell 2 is fixedly connected with a discharge cylinder 3, the bottom end of the discharge cylinder 3 is provided with a discharge valve, the right end top side of the inclined partition plate 5 is fixedly connected with the right end bottom side of the filter screen 15, the left end of the inclined partition plate 5 is fixedly connected with the inner wall of the screening shell 2, the left end of the inclined partition plate 5 is provided with a sealing plug 16 clamped on the left side of the screening shell 2, the right end of the screen 9 is provided with a discharge port installed on the right side of the screening shell 2, the end of the discharge port is provided with a discharge shell 10 installed on the surface of the screening shell 2, the stirring assembly comprises a servo motor 6, a rotating roller 7 and a stirring rod 8, the servo motor 6 is installed on the front surface of the screening shell 2, the output end of the servo motor 6 is connected with the rotating roller 7, the surface of the rotating roller 7 is uniformly provided with the stirring rod 8, and the stirring rod is used for spreading the accumulated grains on the top side of the screening, the vibrating mechanism comprises a rotating motor 11, a rotating shaft 12, a spring 13 and a rubber ball 14, the rotating motor 11 is installed on the side surface of the screening shell 2, the output end of the rotating motor 11 is connected with the rotating shaft 12, the surface of the rotating shaft 12 is fixedly connected with the spring 13, the end of the spring 13 is fixedly connected with the rubber ball 14, and the rubber ball 14 is in knocking contact with the filter screen 15 and the inclined partition plate 5 in the rotation of the rotating shaft 12.

[0028] In use, the electric elements in the application are all externally connected with power supply and control switch, the mixture is rapidly spread, local accumulation of the mixture is avoided, subsequent screening is ensured to be uniformly carried out, the grains meeting the particle size are smoothly passed through the pores of the screen 9, the mixture after the screen 9 filters large impurities, the corn kernels with small particle size and small impurities (such as broken ends) are passed through the pores of the screen 9 and fall on the filter screen 15 below, and the impurities with large particle size (such as long straw and large bract) cannot pass through the screen 9 and are gradually pushed to the discharge port at the right end of the screen 9 by the stirring rod 8, finally enter the discharge shell 10 and are discharged, the preliminary separation of the large impurities is completed, the grains and small impurities falling on the filter screen 15 are filtered by the filter screen 15, the corn kernels cannot pass through the pores of the filter screen 15 due to the large particle size and weight and are intercepted on the surface of the filter screen 15 and enter the collecting cavity 4 through the end of the filter screen 15, and the small impurities such as dust and broken straw ends pass through the filter screen 15 and fall on the inclined partition plate 5 at the bottom, the secondary separation of the grains and the small impurities is completed, the rotating motor 11 drives the rotating shaft 12 to rotate, the spring 13 on the rotating shaft 12 is swung, the rubber ball 14 at the end of the spring 13 continuously knocks the filter screen 15 and the inclined partition plate 5, the grains are prevented from being stuck in the pores of the filter screen 15 and blocked, the grains are slightly bounced on the surface of the filter screen 15, the separation of the small impurities is accelerated, the small impurities (such as dust and broken ends) on the inclined partition plate 5 slide to the left along the inclined surface and can be cleaned by opening the sealing plug 16.

[0029] The application has the advantages that:

[0030] 1. The grain recovery and screening device of the self-propelled corn harvester is novel in design and simple in structure, the stirring rod flattens the material in real time, vibration knocking prevents the grains from being stuck in the screen, the screening process is continuous and uninterrupted, the grain processing amount per unit time is greatly improved, two layers of screening structure, namely a screen (for removing large impurities) and a filter screen (for removing small impurities), are adopted, impurities are gradually separated from coarse to fine, the finally recovered grains contain almost no large straw and small broken ends, secondary cleaning is not needed, and the subsequent storage or processing requirements are directly met, and the screening efficiency is improved.

[0031] The circuit and electronic components and modules are all prior art, and those skilled in the art can implement them without further description, and the content protected by the present application does not involve improvement of software and methods.

[0032] The above only describes the preferred embodiments of the present application and is not used to limit the present application. Those skilled in the art can make various modifications and changes to the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A grain recovery and screening device for a self-propelled corn harvester, characterized in that, Includes a screening shell (2), on which a mounting bracket (1) is fixedly connected to the left side surface of the screening shell (2), the mounting bracket (1) is used to install and fix the screening shell (2), and a collection chamber (4) is provided inside the screening shell (2); A screen (9) is installed on the inner wall of the top of the screening shell (2). A filter screen (15) is provided on the bottom side of the screen (9). An inclined partition (5) is provided on the bottom side of the filter screen (15). A stirring component is installed on the side surface of the screening shell (2) and is used to stir and screen the grains on the top side of the screen (9). A vibration mechanism is installed on the front side of the screening shell (2) and is used to vibrate and strike the filter screen (15) and the inclined partition (5).

2. The grain recovery and screening device for a self-propelled corn harvester according to claim 1, characterized in that: The bottom end of the screening shell (2) is fixedly connected to the discharge cylinder (3), and the bottom end of the discharge cylinder (3) is equipped with a discharge valve.

3. The grain recovery and screening device for a self-propelled corn harvester according to claim 1, characterized in that: The top right side of the inclined partition (5) is fixedly connected to the bottom right side of the filter screen (15), and the left side of the inclined partition (5) is fixedly connected to the inner wall of the screening shell (2). A sealing plug (16) that engages with the left side of the screening shell (2) is provided on the left side of the inclined partition (5).

4. The grain recovery and screening device for a self-propelled corn harvester according to claim 1, characterized in that: The screen (9) is provided with a discharge port installed on the right side of the screening shell (2), and the discharge port is provided with a discharge shell (10) installed on the surface of the screening shell (2).

5. The grain recovery and screening device for a self-propelled corn harvester according to claim 1, characterized in that: The actuation assembly includes a servo motor (6), a rotating roller (7), and an actuation rod (8). The servo motor (6) is installed on the front surface of the screening shell (2). The output end of the servo motor (6) is connected to the rotating roller (7). The actuation rod (8) is evenly installed on the surface of the rotating roller (7). The actuation rod is used to flatten the grains piled up on the top side of the screening shell.

6. The grain recovery and screening device for a self-propelled corn harvester according to claim 1, characterized in that: The vibration mechanism includes a rotating motor (11), a rotating shaft (12), a spring (13), and a rubber ball (14). The rotating motor (11) is installed on the side surface of the screening shell (2). The output end of the rotating motor (11) is connected to the rotating shaft (12). The surface of the rotating shaft (12) is fixedly connected to the spring (13). The end of the spring (13) is fixedly connected to the rubber ball (14). The rubber ball (14) is struck and adhered to the filter screen (15) and the inclined partition (5) during the rotation of the rotating shaft (12).

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