Raw grain cleaning device

Abstract

The utility model discloses a coarse grain cleaning device which comprises a box body, a motor is fixedly installed at the top end of the box body, a first rotating rod is fixedly installed on an output shaft of the motor, a first grinding table and a second grinding table are arranged in the box body, and the bottom end of the first grinding table slides at the top end of the second grinding table. The free end of the first rotating rod is rotationally installed on the first grinding table, and a discharging groove is formed in the top end of the first grinding table. Crude grains evenly fall between the first grinding table and the second grinding table to be ground, so that the falling speed of the crude grains is slowed down, and meanwhile the crude grains cannot flow on the grinding tables; the screening net can filter coarse grains and collect coarse grains reaching the standard, coarse grains which do not reach the standard pass through the recycling barrel and the packing auger, so that the coarse grains can be circularly ground, waste of the coarse grains is avoided, meanwhile, the coarse grains can uniformly fall on the surface of the first grinding table, and the recycling and secondary grinding effect is optimal.

Description

Technical Field

[0001] The utility model relates to the technical field of rough grain processing, in particular to a rough grain cleaning device. Background Art

[0002] Rough grain refers to the grain that has not been threshed, milled, etc. after harvest, and retains the husk and bran. This kind of grain is the initial state of the grain and is also an important raw material for actual production. In modern agricultural production, rough grain is still one of the main economic sources in rural areas. With the continuous progress of agricultural technology and the increasing development of the grain processing industry, the processing and utilization methods of rough grain are also constantly innovating and improving.

[0003] In the grain processing industry, rough grain milling is the main step of processing raw materials. In the milling process of traditional milling equipment, due to the limitations of the equipment structure and technology, it is often unable to fully mill every part of the grain particles, resulting in low milling efficiency and resource waste. In order to improve the milling efficiency, reduce energy consumption and reduce environmental pollution, a device is needed that can recycle the un-milled rough grain for secondary milling processing, effectively recycle by-products such as broken rice and bran produced during the milling process, and achieve the maximum utilization of resources. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a rough grain cleaning device, aiming at the deficiencies of the existing technology, to solve the problems in the above background art that in the milling process, every part of the grain particles cannot be fully milled, resulting in low milling effect and resource waste, but the current milling device cannot recycle the un-milled rough grain particles for secondary milling processing.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A rough grain cleaning device, including a box body, a motor is fixedly installed at the top end of the box body, a first rotating rod is fixedly installed on the output shaft of the motor, a first milling table and a second milling table are arranged inside the box body, and the bottom end of the first milling table slides on the top end of the second milling table. The free end of the first rotating rod is rotatably installed at the top end of the first milling table. A feeding groove is opened at the top end of the first milling table, and a feeding hole is opened at the bottom end of the feeding groove through the first milling table. An outlet is opened in the middle of the second milling table, a discharge pipe is fixedly installed at the bottom end of the second milling table, a first screen is arranged on the discharge pipe, a recycling cylinder is arranged on one side of the box body, a second rotating rod is fixedly installed at the top end of the recycling cylinder, a belt is installed between the first rotating rod and the second rotating rod for transmission, the second rotating rod penetrates through the outer surface of the recycling cylinder and is provided with an auger, and the discharge pipe is connected and installed to the outer wall of the recycling cylinder.

[0006] As a preferred technical solution of the present utility model, a plurality of fixing rods are fixedly installed at the top end inside the box body. A fixing frame is fixedly installed at the free end of the fixing rod. A sliding rod is fixedly installed at the bottom end of the outer side of the fixing frame. The bottom of the sliding rod is spherical. The bottom of the sliding rod slides inside the blanking groove. A scraping plate is fixedly installed on the side of the sliding rod close to the box body.

[0007] As a preferred technical solution of the present utility model, a feed chute is fixedly installed on one side of the top end of the box body, and an intermittent valve is arranged on the feed chute.

[0008] As a preferred technical solution of the present utility model, a detachable bottom plate is slidably installed at the bottom end of the recovery cylinder.

[0009] As a preferred technical solution of the present utility model, a second screen is slidably installed at the bottom end of the discharge pipe. Two limiting plates are fixedly installed at the top end of the second screen. A collection bucket is arranged below the second screen.

[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0011] 1. In the present utility model, the rough grain is evenly dropped between the first grinding table and the second grinding table for grinding, so that the falling speed of the rough grain is slowed down and it will not flow on the grinding table. The screen can filter the rough grain and collect the qualified rough grain. The unqualified rough grain particles are passed through the recovery cylinder and the auger, so that the rough grain particles can be ground cyclically. In this way, while avoiding the waste of rough grain, the rough grain can be evenly placed on the surface of the first grinding table, and the effect of secondary grinding recovery reaches the best.

[0012] 2. In the present utility model, by setting the feed chute and the bottom plate, the rough grain is put into the box body for grinding. The bottom plate can manually recover the rough grain powder accumulated inside the auger, avoiding the possibility of the rough grain being piled up for a long time and deteriorating. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a schematic structural view of the present utility model;

[0014] Figure 2 is an internal structural view of the present utility model;

[0015] Figure 3 is a sectional structural view of the present utility model;

[0016] Figure 4 is a schematic structural view of the fixing frame of the present utility model;

[0017] Figure 5 is a schematic structural view of the second screen of the present utility model.

[0018] In the figure: 1. Box body; 2. Motor; 3. First rotating rod; 4. First grinding table; 5. Feeding chute; 6. Feeding hole; 7. Second grinding table; 8. Discharge port; 9. Discharge pipe; 10. First screen; 11. Second screen; 12. Limiting plate; 13. Recycling cylinder; 14. Second rotating rod; 15. Auger; 16. Belt; 17. Collection barrel; 18. Bottom plate; 19. Feeding trough; 20. Fixed rod; 21. Fixed bracket; 22. Slide bar; 23. Scraper. Detailed implementation manners

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0020] Please refer to Figures 1-5 , the present invention provides a technical solution for a rough grain cleaning device:

[0021] According to Figures 1 to 5As shown in the figure, the rough grain cleaning device includes a box body 1. A motor 2 is fixedly installed at the top end of the box body 1. The output shaft of the motor 2 is fixedly installed with a first rotating rod 3. Inside the box body 1, a first grinding table 4 and a second grinding table 7 are arranged. The bottom end of the first grinding table 4 slides on the top end of the second grinding table 7. The free end of the first rotating rod 3 is rotatably installed at the top end of the first grinding table 4. A feeding groove 5 is opened at the top end of the first grinding table 4. The bottom end of the feeding groove 5 penetrates through the first grinding table 4 and is provided with a feeding hole 6. An outlet 8 is opened in the middle of the second grinding table 7. A discharge pipe 9 is fixedly installed at the bottom end of the second grinding table 7. The discharge pipe 9 is provided with a first screen 10. A recycling cylinder 13 is arranged on one side of the box body 1. A second rotating rod 14 is fixedly installed at the top end of the recycling cylinder 13. A belt 16 is installed between the first rotating rod 3 and the second rotating rod 14 for transmission. The second rotating rod 14 penetrates through the outer surface of the recycling cylinder 13 and is provided with an auger 15. The discharge pipe 9 is connected and installed to the outer wall of the recycling cylinder 13. The auger 15 rolls up the recycled rough grain and rotates it upward, so that the recycled rough grain returns to the first grinding table 4 for secondary grinding and processing. A plurality of fixing rods 20 are fixedly installed at the inner top end of the box body 1. The free ends of the fixing rods 20 are fixedly installed with fixing frames 21. The bottom end of the outer end of the fixing frame 21 is fixedly installed with a sliding rod 22. The bottom of the sliding rod 22 is spherical. The bottom of the sliding rod 22 slides inside the feeding groove 5. When the sliding rod 22 slides in the feeding groove 5, the rough grain can evenly enter between the first grinding table 4 and the second grinding table 7 through the feeding hole 6 for grinding. A scraping plate 23 is fixedly installed on the side of the sliding rod 22 close to the box body 1, which can scrape the rough grain on the flat part of the grinding table into the feeding groove 5. A detachable bottom plate 18 is slidably installed at the bottom end of the recycling cylinder 13, which can manually recycle the rough grain at the bottom of the recycling cylinder 13 to avoid deterioration caused by long-term retention and affect the subsequent rough grain treatment. A second screen 11 is slidably installed at the bottom end of the discharge pipe 9, which can prevent some rough grain particles from getting stuck in the first screen 10 and causing the first screen 10 to be blocked through frictional shaking. Two limiting plates 12 are fixedly installed at the top end of the second screen 11. A collecting bucket 17 is arranged below the second screen 11. An inlet chute 19 is fixedly installed at one side of the top end of the box body 1. An intermittent valve is arranged on the inlet chute 19 to make the rough grain enter the box body 1 in portions for grinding.

[0022] During specific use, for the rough grain cleaning device of the present utility model, a motor 2 is fixedly installed at the top of the box body 1, and a first rotating rod 3 is fixedly installed on the output shaft of the motor 2. Inside the box body 1, a first grinding table 4 and a second grinding table 7 are arranged. The bottom end of the first grinding table 4 slides on the top end of the second grinding table 7. The bottom end of the first grinding table 4 and the top end of the second grinding table 7 are both in the shape of being larger at the top and smaller at the bottom, so that when rough grains are ground, they are in a natural falling state. A feeding groove 5 is opened at the top end of the first grinding table 4, and a feeding hole 6 is opened through the bottom end of the feeding groove 5 and the first grinding table 4. The top end of the first grinding table 4 is inclined, so that rough grains can naturally roll into the feeding groove 5 and fall into the space between the first grinding table 4 and the second grinding table 7 through the feeding hole 6 for grinding. An outlet 8 is opened in the middle of the second grinding table 7, and a discharge pipe 9 is fixedly installed at the bottom end of the second grinding table 7. The ground rough grain particles fall into the discharge pipe 9 through the outlet 8. The discharge pipe 9 is provided with a first screen 10, and the first screen 10 can filter the rough grain particles. A recovery cylinder 13 is arranged on one side of the box body 1. A second rotating rod 14 is fixedly installed at the top end of the recovery cylinder 13. A belt 16 is installed for transmission between the first rotating rod 3 and the second rotating rod 14. A screw conveyor 15 is arranged on the second rotating rod 14 penetrating through the outer surface of the recovery cylinder 13. The discharge pipe 9 is connected and installed to the outer wall of the recovery cylinder 13. The rough grains that cannot be filtered in the discharge pipe 9 roll into the recovery cylinder 13. The motor 2 drives the first rotating rod 3 to rotate, driving the belt 16 to rotate the second rotating rod 14. The first rotating rod 3 and the second rotating rod 14 drive the first grinding table 4 and the screw conveyor 15 to rotate simultaneously. A plurality of fixing rods 20 are fixedly installed at the top end inside the box body 1. A fixing frame 21 is fixedly installed at the free end of the fixing rods 20. A sliding rod 22 is installed at the bottom end of the outer side of the fixing frame 21. The bottom of the sliding rod 22 is spherical, and the bottom of the sliding rod 22 slides inside the feeding groove 5. When the first grinding table 4 rotates, a scraping plate 23 is fixedly installed on the side of the sliding rod 22 close to the box body 1. A detachable bottom plate 18 is slidably installed at the bottom of the recovery cylinder 13, and the rough grains at the bottom of the recovery cylinder 13 can be manually recovered. A second screen 11 is slidably installed at the bottom of the discharge pipe 9. Two limiting plates 12 are fixedly installed at the top end of the second screen 11. A collecting bucket 17 is arranged at the bottom end of the second screen 11. The second screen 11 slides on the bottom plate 18 of the discharge pipe 9. A collecting bucket 17 is arranged below the second sieve, and the collecting bucket 17 can collect the filtered rough grains. An inlet chute 19 is fixedly installed at one side of the top end of the box body 1. The rough grains to be processed enter the inside of the box body 1 through the inlet chute 19. An intermittent valve is arranged on the inlet chute 19.

[0023] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model.

[0024] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, "a plurality" means two or more, unless otherwise specifically defined.

[0025] In the present utility model, unless otherwise clearly specified and defined, terms such as "installed", "connected", "joined", "fixed", etc. shall be construed in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection, an electrical connection, or a communication connection; it may be directly connected, or indirectly connected through an intermediate medium, and it may be the internal communication of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0026] In the present utility model, unless otherwise clearly specified and defined, the first feature being "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description with reference to terms such as "one solution", "some solutions", "example", "specific example", or "some examples", etc. means that the specific features, structures, materials, or characteristics described in connection with the solution or example are included in at least one solution or example of the present utility model. In this specification, the schematic expressions of the above terms do not necessarily refer to the same solution or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more solutions or examples.

Claims

1. The rough grain cleaning device includes a box body (1), and is characterized in that: A motor (2) is fixedly installed at the top end of the box body (1). A first rotating rod (3) is fixedly installed on the output shaft of the motor (2). A first grinding table (4) and a second grinding table (7) are arranged inside the box body (1). The bottom end of the first grinding table (4) slides on the top end of the second grinding table (7). The free end of the first rotating rod (3) is rotatably installed on the first grinding table (4). A material dropping groove (5) is formed at the top end of the first grinding table (4). A material dropping hole (6) is formed at the bottom end of the material dropping groove (5) and penetrates through the first grinding table (4). A discharge port (8) is formed in the middle of the second grinding table (7). A discharge pipe (9) is fixedly installed at the bottom end of the second grinding table (7). A first screen (10) is arranged on the discharge pipe (9). A recycling cylinder (13) is arranged on one side of the box body (1). A second rotating rod (14) is fixedly installed at the top end of the recycling cylinder (13). A belt (16) is installed for transmission between the first rotating rod (3) and the second rotating rod (14). A auger (15) is arranged on the second rotating rod (14) penetrating through the outer surface of the recycling cylinder (13). The discharge pipe (9) is connected and installed to the outer wall of the recycling cylinder (13).

2. The crude grain cleaning device according to claim 1, characterized in that: A number of fixing rods (20) are fixedly installed at the inner top end of the box body (1). A fixing frame (21) is fixedly installed at the free end of the fixing rods (20). A sliding rod (22) is fixedly installed at the bottom end of the outer side of the fixing frame (21). The bottom of the sliding rod (22) is spherical. The bottom of the sliding rod (22) slides inside the material dropping groove (5). A scraping plate (23) is fixedly installed on the side of the sliding rod (22) close to the box body (1).

3. The crude grain cleaning device according to claim 1, wherein: A feed trough (19) is fixedly installed on one side of the top end of the box body (1). An intermittent valve is arranged on the feed trough (19).

4. The rough grain cleaning device according to claim 1, characterized in that: A detachable bottom plate (18) is slidably installed at the bottom end of the recycling cylinder (13).

5. The rough grain cleaning device according to claim 1, characterized in that: A second screen (11) is slidably installed at the bottom end of the discharge pipe (9). Two limiting plates (12) are fixedly installed at the top end of the second screen (11). A collecting bucket (17) is arranged below the second screen (11).

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