Grain conveyor with grain impurity screening function
By adopting a combined design of rotating disc and vibrating components in the grain conveyor, the limitation on conveying speed during the air separation and impurity removal process is solved, achieving efficient impurity separation and improving production efficiency and food safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-30
- Publication Date
- 2026-03-20
AI Technical Summary
In the existing grain conveyor process, the airflow negatively affects the conveying speed of the grain during the air separation and impurity removal, limiting the operating speed and making it difficult to effectively remove impurities, thus affecting production efficiency and food safety.
Design a grain conveyor with grain screening function. It adopts a combination of rotating disc and vibrating component. The rotating disc receives the grain and sets up multiple isolation zones. It uses airflow to separate impurities. At the same time, the vibrating motor drives the vibrating rod to vibrate, increasing the spacing between grain impurities and improving screening efficiency.
It effectively removes impurities without affecting the grain conveying speed, improves screening efficiency, and ensures production continuity and food safety.
Smart Images
Figure CN224014917U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a grain conveyor technical field especially relates to a grain conveyor with grain screening function. BACKGROUND
[0002] In the process of grain conveyor conveying grain, removing impurities in grain is the key link of guaranteeing subsequent processing quality and production safety. After impurities such as small straw, dust and the like are mixed into grain, subsequent cleaning, shelling, grinding and the like processing technology can be affected, impurities can also cause production failure, affect the continuity of process flow, and even lead to substandard product quality, cause economic loss, in addition, part of impurities can carry harmful microorganisms, threaten food safety, therefore, effectively removing impurities is an important step in the process of grain processing.
[0003] At present, as a commonly used impurity removal mode, wind selection can realize uninterrupted grain conveying and continuous impurity removal operation by virtue of the advantage of seamless connection with conveying equipment, and significantly improves production efficiency. Wind selection utilizes aerodynamics principle, and separates impurities with light quality from grain by adjusting the speed and direction of airflow. However, the introduction of wind selection equipment will have a negative impact on the conveying speed of grain. This is because in the process of wind selection, airflow will generate force on grain particles, change their movement trajectory, and cause grain to receive additional resistance in the conveying process. At the same time, in order to ensure that impurities can be effectively separated, the appropriate airflow speed needs to be controlled, which limits the running speed of the grain conveyor. If the conveying speed is too fast, impurities cannot be fully separated, thereby affecting the impurity removal effect.
[0004] Based on the above viewpoint, the person skilled in the art proposes a grain conveyor with grain screening function. CONTENT OF THE UTILITY MODEL
[0005] The utility model aims at solving the shortcomings in the prior art, and provides a grain conveyor with grain screening function. The grain conveyor with grain screening function of the design receives grain conveyed from the belt conveyor through the rotating rotating disc, without the need to control the thickness of the grain on the conveyor. The rotating disc is provided with multiple isolation regions, thereby realizing batch conveying. The wind selection center does not interfere with the conveying process of the grain on the conveyor.
[0006] To achieve the above object, the utility model provides the following technical scheme: a grain conveyor with grain screening function, including belt conveyor, the belt conveyor is inclined to its conveying direction, the both sides wall output end of belt conveyor is fixedly connected with limit baffle frame, and the tail screening mechanism is connected to the end of limit baffle frame, the tail screening mechanism includes fixed subassembly, the inside center of fixed subassembly is rotatably connected with inside rotating subassembly, the top of fixed subassembly is equipped with the drive subassembly for driving inside rotating subassembly rotation, the fixed subassembly includes fixed frame, the front side wall of fixed frame is equipped with feed inlet, the rear side wall of fixed frame is equipped with discharge port, the outside wall of fixed frame and between feed inlet and discharge port are equipped with screening port, the inside rotating subassembly includes rotating disc, a plurality of ventilation holes are equipped on the center tube axle of rotating disc, the center tube axle in rotating disc is provided with air screen connecting subassembly, the air screen connecting subassembly includes air selection interface, the bottom of air selection interface is connected with exhaust pipe, a plurality of exhaust pipes are equipped on the outside wall of exhaust pipe, the exhaust pipe and screening port are interconnected, the air selection interface is fixed in the upper side wall center of fixed frame.
[0007] Preferably, the outside of the screening port is connected with a screen. Avoid the combined effect of air flow and gravity causing grain overflow from the screening port, resulting in waste.
[0008] Preferably, the drive assembly includes a motor mounting bracket fixed to the bottom of the fixed frame and a transmission bevel gear fixed to the bottom of the hollow tube shaft of the rotating disc, the inside of the motor mounting bracket is installed with a drive motor, the movable end of the drive motor is connected with a driving bevel gear, and the driving bevel gear and the transmission bevel gear are meshed with each other.
[0009] Preferably, the center tube shaft of the rotating disc center tube shaft is connected with a sliding bottom plate at the bottom of the partition plate.
[0010] Preferably, the bottom of the fixed frame is fixedly connected with a vibration connecting pipe, the vibration connecting pipe and the screening port are located on the same axis, the vibration connecting pipe is installed with a vibration assembly, the vibration assembly includes a vibration motor, the movable end of the vibration motor is connected with a vibration rod, and the vibration rod is limitedly and slidably connected in the vibration connecting pipe.
[0011] Preferably, the front side of the fixed subassembly is installed with a connecting plate, and the connecting plate is connected to the bottom of the limit baffle frame.
[0012] The utility model has the following beneficial effects:
[0013] 1. The utility model discloses a rotating disc is received the grain that comes from the belt conveyor, need not control the thickness of the grain on the conveyor, and rotating disc sets up a plurality of isolated areas, and then realizes batch conveying, and the wind election center does not interfere with the conveying process of grain on the conveyor.
[0014] 2. The utility model discloses a vibrating motor repeatedly vibrates the vibration rod in the vibration connecting pipe, can constantly knock the sliding bottom plate rotating to the vibration rod top, make the grain on the sliding bottom plate constantly throw in the rotating disc, and then improve the interval between the grain impurities, at this time, the airflow is easier to flow through its inside, and then effectively screen the impurities in the grain, improve the screening efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the overall view of the grain conveyor with grain screening function that the utility model proposes;
[0016] Figure 2 It is the schematic diagram of the tail screening mechanism in the grain conveyor with grain screening function that the utility model proposes;
[0017] Figure 3 It is the isometric side sectional view of the tail screening mechanism in the grain conveyor with grain screening function that the utility model proposes;
[0018] Figure 4 It is the explosion view of the tail screening mechanism in the grain conveyor with grain screening function that the utility model proposes.
[0019] Legend:
[0020] 1, belt conveyor;2, limit baffle frame;3, tail screening mechanism;
[0021] 31, fixed assembly;32, link plate;33, wind screening connecting assembly;34, internal rotating assembly;35, screen;36, vibration assembly;37, drive assembly;
[0022] 311, fixing frame;312, discharge port;313, vibration connecting pipe;314, feed port;315, screening port;
[0023] 331, wind election interface;332, exhaust pipe;
[0024] 341, rotating disc;342, sliding bottom plate;
[0025] 361, vibrating motor;362, vibration rod;
[0026] 371, motor mounting frame;372, drive motor;373, driving bevel gear;374, transmission bevel gear. DETAILED DESCRIPTION
[0027] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only 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 skilled in the art without creative labor fall within the scope of the present application.
[0028] Embodiment: Refer to Figures 1-4 The present application provides an embodiment of a grain conveyor with a grain screening function, comprising a belt conveyor 1, the belt conveyor 1 is inclined to its conveying direction, the two side walls of the belt conveyor 1 are fixedly connected with a limiting baffle frame 2 at the output end, and a tail screening mechanism 3 is connected to the end of the limiting baffle frame 2, the tail screening mechanism 3 comprises a fixed assembly 31, an internal rotating assembly 34 is rotatably connected to the inner center of the fixed assembly 31, a driving assembly 37 for driving the internal rotating assembly 34 to rotate is installed on the top of the fixed assembly 31, the fixed assembly 31 comprises a fixed frame 311, a feed inlet 314 is formed in the front side wall of the fixed frame 311, a discharge outlet 312 is formed in the rear side wall of the fixed frame 311, a screening port 315 is formed in the outer side wall of the fixed frame 311 between the feed inlet 314 and the discharge outlet 312, the internal rotating assembly 34 comprises a rotating disc 341, a plurality of ventilation holes are formed in the center tube shaft of the rotating disc 341, a wind screening connecting assembly 33 is arranged in the center tube shaft of the rotating disc 341, the wind screening connecting assembly 33 comprises a winnowing interface 331, the winnowing interface 331 is connected with an exhaust pipe 332 at the bottom, a plurality of exhaust pipes 332 are formed in the outer side wall of the exhaust pipe 332, the exhaust pipe 332 and the screening port 315 are in communication, and the winnowing interface 331 is fixed at the center of the upper side wall of the fixed frame 311. The grain conveyor receives the grain conveyed from the belt conveyor 1 through the rotating rotating disc 341, the grain enters the rotating disc 341 through the feed inlet 314, and the grain rotates to the screening port 315 as the rotating disc 341 rotates, the winnowing interface 331 is connected with the fan, the airflow is blown into the screening port 315 through the exhaust pipe 332, and the impurities are blown out of the screening port 315, the winnowing equipment can improve the screening rate through the design of the rotating disc 341, and the grain can be conveyed at a normal speed.
[0029] The sieve 35 is connected outside the sieve port 315 to avoid the waste caused by the joint action of airflow and gravity. The driving assembly 37 includes a motor mounting frame 371 fixed at the bottom of the fixed frame 311 and a transmission bevel gear 374 fixed at the bottom of the hollow pipe shaft of the rotating disc 341. The driving motor 372 is installed inside the motor mounting frame 371. The driving motor 372 is connected with the driving bevel gear 373 at the movable end. The driving bevel gear 373 is engaged with the transmission bevel gear 374. The driving motor 372 drives the transmission bevel gear 374 to rotate, and then drives the rotating disc 341 to rotate, realizing the rotating conveying of the grain. The center pipe shaft of the rotating disc 341 is connected with the sliding bottom plate 342 which is limited and slidably connected at the bottom of the baffle.
[0030] The vibration connecting pipe 313 is fixedly connected at the bottom of the fixed frame 311 and is located on the same axis as the sieve port 315. The vibration assembly 36 is installed in the vibration connecting pipe 313. The vibration assembly 36 includes a vibration motor 361. The vibration rod 362 is connected at the movable end of the vibration motor 361 and is limited and slidably connected in the vibration connecting pipe 313. The vibration motor 361 drives the vibration rod 362 to repeatedly vibrate in the vibration connecting pipe 313, which constantly knocks the sliding bottom plate 342 above the vibration rod 362, so that the grain on the sliding bottom plate 342 is constantly thrown inside the rotating disc 341, thereby increasing the distance between the impurities in the grain, and the airflow is more easily circulated inside, thereby effectively screening the impurities in the grain and improving the screening efficiency.
[0031] Working Principle: This grain conveyor receives grain from the belt conveyor 1 via a rotating disc 341. The grain enters the disc 341 through the feed inlet 314. The drive motor 372 drives the transmission bevel gear 374 to rotate, which in turn drives the disc 341 to rotate, thus achieving the rotational conveying of the grain. As the disc 341 rotates, the grain rotates to the screening inlet 315. The air separation interface 331 is connected to a blower, and airflow is blown into the screening inlet 315 through the exhaust pipe 332, blowing out impurities. This air separation equipment, through the turntable design of the rotating disc 341, ensures... Grains on the belt conveyor 1 are fed into the rotating disc 341 at a constant speed, eliminating the need to control the thickness of the grains on the conveyor. The rotating disc 341 is equipped with multiple isolation zones, enabling batch conveying. The vibrating motor 361 drives the vibrating rod 362 to vibrate repeatedly within the vibrating connecting pipe 313, continuously striking the sliding base plate 342 above the vibrating rod 362. This causes the grains on the sliding base plate 342 to be continuously scattered inside the rotating disc 341, increasing the distance between grain impurities. At this time, airflow is easier to pass through the disc, effectively screening the impurities in the grains and improving screening efficiency.
[0032] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., 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 grain conveyor with grain sieving function, comprising a belt conveyor (1), characterized in that: The belt conveyor (1) is inclined in its conveying direction. Limiting baffles (2) are fixedly connected to the output ends of both sides of the belt conveyor (1). A tail screening mechanism (3) is connected to the end of the limiting baffles (2). The tail screening mechanism (3) includes a fixing component (31). An internal rotating component (34) is rotatably connected to the center of the fixing component (31). A driving component (37) for driving the internal rotating component (34) to rotate is installed on the top of the fixing component (31). The fixing component (31) includes a fixing frame (311). A feed inlet (314) is opened on the front side wall of the fixing frame (311). A discharge outlet (312) is opened on the rear side wall of the fixing frame (311). A screening port (315) is provided on the outer wall of the fixed frame (311) between the feed inlet (314) and the discharge port (312). The internal rotating assembly (34) includes a rotating disk (341). Several ventilation holes are provided on the central tube shaft of the rotating disk (341). An air screen connection assembly (33) is provided inside the central tube shaft of the rotating disk (341). The air screen connection assembly (33) includes an air separation interface (331). An exhaust pipe (332) is connected to the bottom of the air separation interface (331). Several exhaust pipes (332) are provided on the outer wall of the exhaust pipe (332). The exhaust pipe (332) is connected to the screening port (315). The air separation interface (331) is fixed at the center of the upper side wall of the fixed frame (311).
2. A grain conveyor with grain sieving function according to claim 1, characterized in that: A screen (35) is connected to the outside of the sieve opening (315).
3. A grain conveyor with grain sieving function according to claim 1, characterized in that: The drive assembly (37) includes a motor mounting bracket (371) fixed to the bottom of the mounting frame (311) and a transmission bevel gear (374) fixed to the bottom of the hollow tube shaft of the rotating disk (341). A drive motor (372) is installed inside the motor mounting bracket (371). An active bevel gear (373) is connected to the movable end of the drive motor (372). The active bevel gear (373) meshes with the transmission bevel gear (374).
4. A grain conveyor with grain sieving function according to claim 1, characterized in that: The bottom of the partition plate connected to the central tube shaft of the rotating disk (341) is slidably connected to a sliding base plate (342).
5. A grain conveyor with grain sieving function according to claim 1, characterized in that: The bottom of the fixed frame (311) is fixedly connected to a vibration connecting pipe (313). The vibration connecting pipe (313) and the screen opening (315) are located on the same axis. A vibration assembly (36) is installed inside the vibration connecting pipe (313). The vibration assembly (36) includes a vibration motor (361). A vibration rod (362) is connected to the movable end of the vibration motor (361). The vibration rod (362) slides within the vibration connecting pipe (313).
6. A grain conveyor with grain sieving function according to claim 1, characterized in that: A connecting plate (32) is installed on the front side of the fixing component (31), and the connecting plate (32) is connected to the bottom of the limiting baffle frame (2).