Double-helix grain conveying anti-blocking feeding mechanism

The mixing rollers and mixing rods of the double-helix grain conveying anti-blockage feeding mechanism disperse the grain, solving the blockage problem in the grain feeding process and achieving stable operation of the production line and cost reduction.

CN224361927UActive Publication Date: 2026-06-16ANHUI JINGUZI CONVEYING EQUIP TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ANHUI JINGUZI CONVEYING EQUIP TECH CO LTD
Filing Date
2025-07-30
Publication Date
2026-06-16

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Abstract

The application relates to the technical field of grain conveying, and discloses a double-spiral grain conveying anti-blocking feeding mechanism, which comprises a box body, a double-spiral conveying mechanism and a stirring mechanism; the box body is used for supporting and mounting the whole device; the double-spiral conveying mechanism is arranged in the interior of the box body and is used for conveying grain; the two stirring rods in a feeding hopper are reversely rotated, and cooperate with stirring blades to fully disperse the caked grain, so that the feeding port is prevented from being blocked; a stirring roller in a discharging box further pushes and disperses the grain through a stirring plate, so that the grain uniformly enters the double-spiral conveying mechanism, the risk of blockage is reduced from the source, and the continuous operation of a production line is ensured. A driving motor drives two stirring rods and a stirring roller to rotate through a group of driving assemblies, the transmission efficiency is high, the energy consumption is low, the components are coordinated in action, an additional power source is not needed, the equipment operation cost is reduced, the overall structure is simplified, and maintenance is facilitated.
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Description

Technical Field

[0001] This application relates to the technical field of grain conveying, and in particular to a double-helix grain conveying anti-blockage feeding mechanism. Background Technology

[0002] The grain processing industry encompasses a complex process from receiving, cleaning, and storing raw grains to processing them into various finished grain products. The grain feeding stage, as a crucial starting and connecting node, plays a decisive role in the efficient and stable operation of the entire production line. In modern large-scale grain processing enterprises, large quantities of raw grains are processed daily; for example, a large flour mill can process hundreds of tons of wheat per day. Stable and precise feeding is fundamental to ensuring the continuous operation of subsequent milling, screening, and other processes. Problems in the feeding stage not only lead to idling or overloading of processing equipment, reducing its lifespan, but also seriously affect product quality and production efficiency, increasing production costs. Utility Model Content

[0003] To address the problems mentioned in the background art, this application provides a double-helix grain conveying anti-blockage feeding mechanism.

[0004] The double-helix grain conveying anti-blockage feeding mechanism provided in this application adopts the following technical solution:

[0005] A double-helix grain conveying anti-blockage feeding mechanism includes a housing, a double-helix conveying mechanism, and a stirring mechanism;

[0006] The enclosure is used to support and install the overall device;

[0007] The double-helix conveyor mechanism is located inside the box and is used to transport grain.

[0008] The upper surface of the box is fixedly connected to a feeding box, and the upper surface of the feeding box is fixedly connected to a feeding hopper;

[0009] The stirring mechanism is located inside the feed hopper and the discharge box. The stirring mechanism includes a stirring roller and two stirring rods. The stirring roller is rotatably installed inside the discharge box. Multiple stirring plates are evenly fixedly connected to the side wall of the stirring roller. The two stirring rods are symmetrically rotatably installed inside the feed hopper. Multiple stirring blades are evenly fixedly connected to the side wall of the stirring rods. A housing is fixedly connected to one side of the feed hopper and the discharge box. A drive motor is fixedly installed on one side of the housing. The drive motor is connected to the stirring rods and the stirring roller through a drive assembly.

[0010] Preferably, the drive assembly is disposed inside the housing. The drive assembly includes two worm gears, two worms, and two synchronous pulleys. One end of each of the two stirring rods is movably inserted through the side wall of the feed hopper and then fixedly fitted with a worm gear. One end of the stirring roller is movably inserted through the side wall of the discharge box and extends into the housing. The stirring roller and one of the stirring rods are both fixedly fitted with synchronous pulleys at their ends inside the housing. The two synchronous pulleys are connected by a synchronous belt drive. A connecting shaft is rotatably mounted on the inner side wall of the housing. Two worms that mesh with the worm gears are fixedly fitted on the side wall of the connecting shaft. The output end of the drive motor is fixedly connected to one end of the connecting shaft.

[0011] Preferably, the threads on the two worms are in opposite directions.

[0012] Preferably, a protective shell is provided on one side of the housing via a fixing component, and the drive motor is located inside the protective shell.

[0013] Preferably, the fixing assembly includes two fixing plates, and the upper and lower surfaces of the protective shell are fixedly connected to the fixing plates. Two fixing bolts for fixing the fixing plates to the protective shell are threaded through the sidewalls of the fixing plates.

[0014] In summary, this application includes the following beneficial technical effects:

[0015] Compared to existing technologies, this new technology features two counter-rotating stirring rods in the feed hopper, which, in conjunction with stirring blades, effectively break up clumps of grain, preventing blockages at the feed inlet. The stirring rollers in the discharge box further push and disperse the grain via stirring plates, ensuring even distribution of the grain into the double-helix conveyor mechanism. This reduces the risk of blockages at the source and guarantees continuous production line operation. The drive motor simultaneously drives the two stirring rods and one stirring roller through a set of drive components, resulting in high transmission efficiency, low energy consumption, and coordinated operation of all components. No additional power source is required, reducing equipment operating costs and simplifying the overall structure for easier maintenance. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of an embodiment of the application;

[0017] Figure 2 This is a structural schematic diagram from another perspective of the application's embodiments;

[0018] Figure 3 This is a schematic diagram of the stirring mechanism in the embodiment of the application;

[0019] Figure 4 This is a schematic diagram of the structure of the double helix conveying mechanism in the embodiment of the application.

[0020] Explanation of reference numerals in the attached drawings: 1. Box body; 2. Feed hopper; 3. Stirring rod; 4. Stirring blade; 5. Feed box; 6. Double helix conveying mechanism; 7. Shell; 8. Protective shell; 9. Drive motor; 10. Fixing plate; 11. Fixing bolt; 12. Worm gear; 13. Worm; 14. Connecting shaft; 15. Synchronous pulley; 16. Synchronous belt; 17. Stirring roller; 18. Stirring plate. Detailed Implementation

[0021] The following is in conjunction with the appendix Figure 1-4 This application will be described in further detail.

[0022] This application discloses a double-helix grain conveying anti-blockage feeding mechanism. (Refer to...) Figure 1-4 A double-helix grain conveying anti-blocking feeding mechanism includes a housing 1, a double-helix conveying mechanism 6, and a stirring mechanism;

[0023] The housing 1 is used to support and install the overall device;

[0024] The double helix conveyor mechanism 6 is installed inside the housing 1 and is used to transport grain.

[0025] The upper surface of the box 1 is fixedly connected to the feeding box 5, and the upper surface of the feeding box 5 is fixedly connected to the feeding hopper 2.

[0026] The mixing mechanism is located inside the feed hopper 2 and the discharge box 5. The mixing mechanism includes a mixing roller 17 and two mixing rods 3. The mixing roller 17 is rotatably installed inside the discharge box 5. Multiple mixing plates 18 are evenly fixedly connected to the side wall of the mixing roller 17. The two mixing rods 3 are symmetrically rotatably installed inside the feed hopper 2. Multiple mixing blades 4 are evenly fixedly connected to the side wall of the mixing rods 3. A housing 7 is fixedly connected to one side of the feed hopper 2 and the discharge box 5. A drive motor 9 is fixedly installed on one side of the housing 7. The drive motor 9 is connected to the mixing rods 3 and the mixing roller 17 through a drive assembly.

[0027] The drive assembly is located inside the housing 7. The drive assembly includes two worm gears 12, two worms 13, and two synchronous pulleys 15. One end of each of the two stirring rods 3 is movably inserted through the side wall of the feed hopper 2 and then fixedly fitted with a worm gear 12. One end of the stirring roller 17 is movably inserted through the side wall of the feed box 5 and then extends into the housing 7. The ends of the stirring roller 17 and one of the stirring rods 3 located inside the housing 7 are fixedly fitted with synchronous pulleys 15. The two synchronous pulleys 15 are connected by a synchronous belt 16. A connecting shaft 14 is rotatably installed on the inner side wall of the housing 7. Two worms 13 that mesh with the worm gears 12 are fixedly fitted on the side wall of the connecting shaft 14. The output end of the drive motor 9 is fixedly connected to one end of the connecting shaft 14. The threads on the two worms 13 are in opposite directions.

[0028] A protective shell 8 is provided on one side of the housing 7 by means of a fixing assembly. The drive motor 9 is located inside the protective shell 8. The fixing assembly includes two fixing plates 10. The upper and lower surfaces of the protective shell 8 are fixedly connected to the fixing plates 10. Two fixing bolts 11 for fixing them to the protective shell 8 are threaded through the side wall of the fixing plates 10.

[0029] The implementation principle of the anti-blocking feeding mechanism for double-helix grain conveying in this application embodiment is as follows: All electrical components in this application are externally connected to a power supply and control switch during use. During operation, grain is fed into the feed hopper 2, and the drive motor 9 is started. The output end of the drive motor 9 drives the connecting shaft 14 to rotate within the housing 7. The two worm gears 13 on the connecting shaft 14 rotate synchronously. Since the threads of the two worm gears 13 are opposite, the two meshing worm wheels 12 drive the corresponding stirring rods 3 to rotate in the opposite direction, causing the stirring blades 4 within the feed hopper 2 to stir and disperse the grain, breaking up any clumps and preventing blockage at the feed inlet. Simultaneously, when one of the stirring rods 3 rotates, the synchronous pulley 15 and synchronous belt 16 drive the stirring roller 17 to rotate within the feeding box 5. The stirring plate 18 on the stirring roller 17 further agitates and pushes the grain entering the feeding box 5, ensuring that the grain enters the double-helix conveying mechanism 6 inside the housing 1 evenly. When the double-helix conveying mechanism 6 operates, it stably conveys the grain forward, completing the feeding process. The protective shell 8 effectively protects the drive motor 9, preventing grain dust from entering the motor and affecting its normal operation, while the fixing components ensure that the protective shell 8 is installed securely. Throughout the process, the stirring mechanism and the double-screw conveying mechanism 6 work together to reduce the possibility of grain accumulation and clumping from feeding to conveying, ensuring smooth feeding.

[0030] During this process, the two stirring rods 3 inside the feed hopper 2 rotate in opposite directions, working in conjunction with the stirring blades 4 to fully break up clumps of grain and prevent blockage at the feed inlet. The stirring roller 17 inside the discharge box 5 further pushes and disperses the grain through the stirring plate 18, ensuring that the grain enters the double-helix conveyor mechanism 6 evenly, reducing the risk of blockage at the source and ensuring continuous operation of the production line. The drive motor 9 drives the two stirring rods 3 and the stirring roller 17 simultaneously through a set of drive components, resulting in high transmission efficiency, low energy consumption, and coordinated operation of all components. No additional power source is required, reducing equipment operating costs and simplifying the overall structure for easy maintenance.

[0031] Here, the models of electrical components involved in this application can be selected according to the actual situation, and the double helix conveying mechanism 6 is existing technology and widely used in society, so it will not be described in detail.

[0032] Finally, the following points should be noted: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection", and "linkage" should be interpreted broadly, and can be mechanical or electrical connections, or internal connections between two components, or direct connections. "Up", "down", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may change.

[0033] Secondly: The accompanying drawings of the embodiments disclosed in this utility model only involve the structures involved in the embodiments disclosed in this utility model. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of this utility model can be combined with each other.

[0034] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. 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.

[0035] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A double-helix grain conveying anti-blocking feeding mechanism, characterized in that: It includes a housing (1), a double-helix conveying mechanism (6), and a stirring mechanism; The housing (1) is used to support and install the overall device; The double helix conveying mechanism (6) is located inside the box (1) and is used to convey grain; The upper surface of the box (1) is fixedly connected to the feeding box (5), and the upper surface of the feeding box (5) is fixedly connected to the feeding hopper (2); The stirring mechanism is located inside the feed hopper (2) and the discharge box (5). The stirring mechanism includes a stirring roller (17) and two stirring rods (3). The stirring roller (17) is rotatably installed inside the discharge box (5). Multiple stirring plates (18) are evenly fixedly connected to the side wall of the stirring roller (17). The two stirring rods (3) are symmetrically rotatably installed inside the feed hopper (2). Multiple stirring blades (4) are evenly fixedly connected to the side wall of the stirring rods (3). A housing (7) is fixedly connected to one side of the feed hopper (2) and the discharge box (5). A drive motor (9) is fixedly installed on one side of the housing (7). The drive motor (9) is connected to the stirring rods (3) and the stirring roller (17) through a drive assembly.

2. The double-helix grain conveying anti-blocking feeding mechanism according to claim 1, characterized in that: The drive assembly is located inside the housing (7). The drive assembly includes two worm gears (12), two worms (13), and two synchronous pulleys (15). One end of each of the two stirring rods (3) is movably inserted through the side wall of the feed hopper (2) and then fixedly fitted with a worm gear (12). One end of the stirring roller (17) is movably inserted through the side wall of the feed box (5) and extends into the housing (7). The ends of the stirring roller (17) and one of the stirring rods (3) located inside the housing (7) are fixedly fitted with synchronous pulleys (15). The two synchronous pulleys (15) are connected by a synchronous belt (16). A connecting shaft (14) is rotatably installed on the inner side wall of the housing (7). Two worms (13) that mesh with the worm gears (12) are fixedly fitted on the side wall of the connecting shaft (14). The output end of the drive motor (9) is fixedly connected to one end of the connecting shaft (14).

3. The double-helix grain conveying anti-blocking feeding mechanism according to claim 2, characterized in that: The threads on the two worms (13) are in opposite directions.

4. The anti-blocking feeding mechanism for double-helix grain conveying according to claim 1, characterized in that: A protective shell (8) is provided on one side of the housing (7) by a fixing component, and the drive motor (9) is located inside the protective shell (8).

5. The double-helix grain conveying anti-blocking feeding mechanism according to claim 4, characterized in that: The fixing assembly includes two fixing plates (10). The upper and lower surfaces of the protective shell (8) are fixedly connected to the fixing plates (10). Two fixing bolts (11) for fixing the fixing plates (10) to the protective shell (8) are threaded through the side wall of the fixing plates (10).