Rice bran separation screen

Abstract

The utility model relates to the technical field of grain-rough separation screens, and discloses a grain-rough separation screen. The utility model includes a frame for loading separation components, and the separation components include a separation cylinder fixed on the frame, an auger cylinder connected to the separation cylinder, and a feeding hopper connected to the auger cylinder, and the feeding hopper is used to add materials to be processed, and a spiral roller is provided in the auger cylinder for pushing grains forward into the separation cylinder, and a screen cylinder coaxial with the spiral roller is provided in the separation cylinder, and the screen cylinder separates materials during rolling. In the utility model, materials are added into the auger cylinder through the feeding hopper, and a driving motor drives the spiral roller to rotate, and the materials are pushed forward by the spiral roller so that the materials continuously enter the screen cylinder, and when the screen cylinder rotates, the materials roll, and the screening and separation of the materials are accelerated, and qualified grains are pushed forward and discharged from the grain discharge port under the action of the spiral guide lining plate, while other sundries are discharged from the waste discharge port.

Description

Technical Field

[0001] The utility model relates to the technical field of a rice-rough separation screen, in particular to a rice-rough separation screen. Background Art

[0002] Existing grain-rough separation screens mostly use linear vibration to perform screening in conjunction with screens. During operation, there will be large vibrations and loud noises, which will affect the stability of the structure. In addition, due to the fatigue strength of metal, continuous vibration modes will accelerate the cracking and breakage of the screen, thus affecting the service life of the machine. Utility Model Content

[0003] The technical problem to be solved by the utility model is: in order to overcome the above problems, a grain-rough separation screen is provided, which solves the above problems.

[0004] The utility model solves the technical problem by adopting the following technical solutions:

[0005] The grain-rough separation screen comprises a frame for loading separation components, the separation components comprising a separation cylinder fixed on the frame, an auger cylinder connected to the separation cylinder, and a feeding hopper connected to the auger cylinder, the feeding hopper is used to add materials to be processed, and a spiral roller is rotated in the auger cylinder for pushing grains forward into the separation cylinder, a screen cylinder coaxial with the spiral roller is rotated in the separation cylinder, the screen cylinder separates materials during rolling, and screening is achieved, unqualified materials are discharged collectively through a waste discharge port fixed under the separation cylinder, and qualified grains are discharged through the end of the screen cylinder and the grain discharge port fixed at the right end of the separation cylinder, and the spiral roller is driven by a motor.

[0006] Preferably, a spiral guide lining plate is welded and fixed in the screen drum, so that the screen drum can continuously move the material forward when it rotates. In this way, the axis of the screen drum does not need to be designed to be oblique, which helps to simplify the difficulty of assembly.

[0007] Preferably, a driving motor for driving the spiral twisting roller to rotate is fixedly provided on the waste discharge port, a first active synchronous wheel is key-fixed on the output shaft of the driving motor, a first driven synchronous wheel is key-fixed on the end of the shaft of the spiral twisting roller, and the first active synchronous wheel and the first driven synchronous wheel are connected by a driving synchronous belt.

[0008] Preferably, a brush roller is rotatably provided in the separation cylinder for cleaning the screen cylinder. The direction of the brush roller is the same as that of the screen cylinder, and the brush roller is against the outer wall of the screen cylinder. After rotation, the brush roller cleans the outer surface of the screen cylinder, thereby improving the cleanliness and reducing the phenomenon of materials clogging the screen holes of the screen cylinder.

[0009] Preferably, a driven synchronous wheel is fixedly provided on the rotating shaft of the brush roller, and a driving synchronous wheel is fixedly provided on the rotating shaft of the spiral twisted roller, and the driven synchronous wheel and the driving synchronous wheel are connected by a cleaning synchronous belt.

[0010] Preferably, a control electrical cabinet for controlling the drive motor is fixedly provided on the frame, and a universal wheel for movement is provided at the lower end of the frame.

[0011] The advantages and positive effects of the utility model are as follows: materials are added into the auger drum through the feeding hopper, the driving motor drives the spiral twister roller to rotate, and the materials are pushed forward by the spiral twister roller so that the materials continuously enter the screen drum, and when the screen drum rotates, the materials roll over, thereby accelerating the screening and separation of the materials, and under the action of the spiral guide lining plate, qualified grains are pushed forward and discharged from the grain discharge port, while other sundries are discharged from the waste discharge port, and while the screen drum is rolling, the brush roller cleans the screen drum by driving the synchronous belt, thereby effectively reducing the adhesion of dust to the screen drum and reducing the phenomenon of clogging of the screen holes of the screen drum. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0013] Figure 1 It is a structural schematic diagram of the utility model;

[0014] Figure 2 It is a structural schematic diagram of the utility model.

[0015] The marks in the attached drawings are described as follows: 10, frame; 11, waste discharge port; 12, grain discharge port; 13, separation cylinder; 14, feeding hopper; 15, auger cylinder; 16, first driven synchronous wheel; 17, first active synchronous wheel; 18, driving synchronous belt; 19, driving motor; 20, control electrical cabinet; 21, spiral twist roller; 22, screen cylinder; 23, spiral guide lining plate; 24, brush roller; 25, driven synchronous wheel; 26, active synchronous wheel; 27, cleaning synchronous belt. DETAILED DESCRIPTION

[0016] Now, the utility model is further described in detail in conjunction with the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, so they only show the components related to the utility model. The following is a further detailed description of the embodiments of the utility model in conjunction with the accompanying drawings:

[0017] like Figure 1-2As shown, the grain-rough separation screen described in the utility model includes a frame 10 for loading separation components, and the separation components include a separation cylinder 13 fixed on the frame 10, an auger cylinder 15 connected to the separation cylinder 13, and a feeding hopper 14 connected to the auger cylinder 15, the feeding hopper 14 is used to add materials to be processed, and a spiral twist roller 21 is rotated in the auger cylinder 15 for pushing grains forward into the separation cylinder 13, and a screen cylinder 22 coaxial with the spiral twist roller 21 is rotated in the separation cylinder 13, and the screen cylinder 22 separates the materials during the rolling process, thereby realizing screening, and unqualified materials are discharged collectively through the waste discharge port 11 fixed below the separation cylinder 13, and qualified grains are discharged through the end of the screen cylinder 22 from the grain discharge port 12 fixed at the right end of the separation cylinder 13, and the spiral twist roller 21 is driven by a motor.

[0018] Preferably, a spiral guide lining plate 23 is welded and fixed in the screen drum 22, so that the screen drum 22 can continuously move the material forward when rotating, so that the axis of the screen drum 22 does not need to be designed to be oblique, which helps to simplify the assembly difficulty.

[0019] Preferably, a drive motor 19 for driving the spiral twisting roller 21 to rotate is fixedly provided on the waste discharge port 11, a first active synchronous wheel 17 is key-fixed on the output shaft of the drive motor 19, a first driven synchronous wheel 16 is key-fixed on the end of the shaft of the spiral twisting roller 21, and the first active synchronous wheel 17 and the first driven synchronous wheel 16 are connected by a drive synchronous belt 18.

[0020] Preferably, a brush roller 24 is rotatably provided in the separation cylinder 13 for cleaning the screen cylinder 22. The direction of the brush roller 24 is the same as that of the screen cylinder 22, and the brush roller 24 is against the outer wall of the screen cylinder 22. After rotation, the brush roller 24 cleans the outer surface of the screen cylinder 22, thereby improving the cleanliness and reducing the phenomenon of materials clogging the screen holes of the screen cylinder 22.

[0021] Preferably, a driven synchronous wheel 25 is fixedly provided on the rotating shaft of the brush roller 24 , and a driving synchronous wheel 26 is fixedly provided on the rotating shaft of the spiral twisted roller 21 . The driven synchronous wheel 25 and the driving synchronous wheel 26 are connected via a cleaning synchronous belt 27 .

[0022] Preferably, a control electrical cabinet 20 for controlling the drive motor 19 is fixedly provided on the frame 10 , and a universal wheel for movement is provided at the lower end of the frame 10 .

[0023] During specific implementation, the material is added into the auger drum 15 through the feeding hopper 14, and the driving motor 19 drives the spiral twister roller 21 to rotate, and the material is pushed forward by the spiral twister roller 21 so that the material continuously enters the screen drum 22. When the screen drum 22 rotates, the material rolls, which accelerates the screening and separation of the material, and under the action of the spiral guide lining plate 23, the qualified grains are pushed forward and discharged from the grain discharge port 12, while other debris is discharged from the waste discharge port 11. While the screen drum 22 is rolling, the brush roller 24 cleans the screen drum 22 by driving the synchronous belt, which effectively reduces the adhesion of dust to the screen drum 22 and reduces the phenomenon of the screen holes of the screen drum 22 being blocked.

[0024] It should be emphasized that the embodiments described in the present invention are illustrative rather than restrictive. Therefore, the present invention is not limited to the embodiments described in the specific implementation manner. Any other implementation manners derived by those skilled in the art based on the technical solution of the present invention also fall within the scope of protection of the present invention.

Claims

1. A rice-rough separation screen, comprising a frame (10) for loading separation components, characterized in that: The separation component comprises a separation cylinder (13) fixed on the frame (10), an auger cylinder (15) connected to the separation cylinder (13), and a feeding hopper (14) connected to the auger cylinder (15), wherein the feeding hopper (14) is used to add materials to be processed, and a spiral twist roller (21) is rotatably provided in the auger cylinder (15) for pushing grains forward into the separation cylinder (13), and a screen cylinder (22) coaxial with the spiral twist roller (21) is rotatably provided in the separation cylinder (13), wherein the screen cylinder (22) separates the materials during the rolling process, thereby realizing screening, wherein unqualified materials are discharged in a centralized manner through a waste material discharge port (11) fixed below the separation cylinder (13), and qualified grains are discharged through the end of the screen cylinder (22) and a grain discharge port (12) fixed at the right end of the separation cylinder (13), and the spiral twist roller (21) is driven by a motor.

2. The rice-rough separation screen according to claim 1, characterized in that: A spiral guide lining plate (23) is welded and fixed inside the screen drum (22), so that the screen drum (22) can continuously move materials forward when rotating. In this way, the axis of the screen drum (22) does not need to be designed to be oblique, which helps to simplify the difficulty of assembly.

3. The rice-rough separation screen according to claim 2, characterized in that: A drive motor (19) for driving the spiral twisted roller (21) to rotate is fixedly provided on the waste discharge port (11); a first active synchronous wheel (17) is key-fixed on the output shaft of the drive motor (19); a first driven synchronous wheel (16) is key-fixed on the end of the shaft of the spiral twisted roller (21); the first active synchronous wheel (17) and the first driven synchronous wheel (16) are connected via a drive synchronous belt (18).

4. The rice-rough separation screen according to claim 3, characterized in that: A brush roller (24) is rotatably disposed in the separation cylinder (13) for cleaning the screen cylinder (22); the direction of rotation of the brush roller (24) is the same as that of the screen cylinder (22), and the brush roller (24) abuts against the outer wall of the screen cylinder (22); after rotation, the brush roller (24) cleans the outer surface of the screen cylinder (22), thereby improving cleanliness and reducing the phenomenon of materials blocking the screen holes of the screen cylinder (22).

5. The rice-rough separation screen according to claim 4, characterized in that: A driven synchronous wheel (25) is fixedly provided on the rotating shaft of the brush roller (24), and a driving synchronous wheel (26) is fixedly provided on the rotating shaft of the spiral twisted roller (21); the driven synchronous wheel (25) and the driving synchronous wheel (26) are connected via a cleaning synchronous belt (27).

6. The rice-rough separation screen according to claim 5, characterized in that: A control electrical cabinet (20) for controlling the drive motor (19) is fixedly provided on the frame (10), and a universal wheel for movement is provided at the lower end of the frame (10).

Images