An integrated feeding mechanism for fertilizer spreaders

Abstract

This utility model relates to an integrated feeding mechanism for a fertilizer spreader. The fertilizer spreader uses a pair of symmetrically arranged fertilizer spreading discs to spread fertilizer. The integrated feeding mechanism includes a bag stabilizing component, a bag puncturing component, and a discharge unblocking component. The bag stabilizing component includes a bag receiving chamber for accommodating fertilizer bags and multiple fastening devices disposed thereon. The fastening devices apply radial outward tension to the sidewalls of the bag to prevent collapse. The bag puncturing component includes a bag-breaking cylinder fixed to the bottom of the bag receiving chamber. The bag-breaking cylinder has a spiked end for puncturing the bag and a discharge end for guiding the fertilizer flow to the spreading disc. The discharge unblocking component is used to unblock the bag-breaking cylinder and push the fertilizer towards the discharge end. This utility model improves upon the shortcomings of existing technologies, such as low efficiency of manual feeding and easy fertilizer bridging and clogging.

Description

Technical Field

[0001] This utility model relates to the field of fertilizer spreader feeding, and more particularly to an integrated feeding mechanism for fertilizer spreaders. Background Technology

[0002] Fertilizer spreaders, as an important component of modern agricultural machinery, directly impact agricultural production efficiency and resource utilization. With the implementation of national policies to improve agricultural mechanization and accelerate rural infrastructure development, my country's agricultural machinery industry has seen significant growth, and fertilizer spreaders are among the most frequently used agricultural machines. These machines can significantly save time and manpower, replacing traditional manual fertilizer application methods and improving operational efficiency.

[0003] With technological advancements, centrifugal spreading devices have gradually become the mainstream. They use the centrifugal force generated by a rotating disc to spread fertilizer evenly, effectively improving the uniformity of spreading.

[0004] Existing technology includes a fertilizer spreader similar to a wheelbarrow, with two rotating discs (spreading discs) on its underside. A hopper on the wheelbarrow guides fertilizer to the spreading discs, which then spread the fertilizer in an umbrella-like pattern as they rotate. However, most existing equipment still requires manual labor to open the fertilizer packaging bags and scoop the fertilizer into the hopper, or to lift and dump the fertilizer bags. This process not only increases labor intensity but also easily leads to fertilizer waste and pollution. Existing equipment lacks a direct integrated fertilizer packaging feeding mechanism, failing to achieve integrated operation from packaging bag to spreading, and the hopper's outlet is prone to clogging.

[0005] Therefore, there is an urgent need for an integrated feeding mechanism that can optimize the feeding process. Utility Model Content

[0006] To address the problems of low efficiency and easy clogging of fertilizer by manual feeding in existing technologies, this utility model proposes an integrated feeding mechanism for fertilizer spreaders, the specific solution of which is as follows: An integrated feeding mechanism for a fertilizer spreader, wherein the fertilizer spreader spreads fertilizer through a pair of symmetrically arranged fertilizer spreading discs, and the integrated feeding mechanism includes a bag stabilizing component, a bag puncturing component, and a material discharge unblocking component. The bag stabilization assembly includes a bag housing for accommodating fertilizer bags and a plurality of fastening devices disposed thereon, the fastening devices being capable of applying radially outward tensile force to the sidewalls of the bag to prevent it from collapsing. A bag-piercing assembly includes a bag-piercing tube fixed to the bottom of the bag-receiving chamber, the bag-piercing tube having a spiked end for piercing the bag and a discharge end for guiding fertilizer flow to the spreading disc; The feeding and unblocking component is used to unblock the broken bag tube and push the fertilizer towards the outlet end.

[0007] Furthermore, the bag-containing compartment is a cylindrical structure with an opening at the top, and the bottom of the bag-containing compartment is a downwardly protruding conical structure; the bag-breaking cylinder is installed through the conical structure along its axial direction, with the pointed end of the bag-breaking cylinder located in the internal cavity of the bag-containing compartment, and the outlet end located outside the bag-containing compartment.

[0008] Furthermore, the portion of the bag-breaking cylinder located inside the bag-containing compartment is provided with multiple perforations, allowing fertilizer to enter the bag-breaking cylinder through these perforations after the bag is broken.

[0009] Furthermore, the fastening device includes a platform on the outer wall of the bag receiving chamber, and a plurality of the platforms are evenly arranged circumferentially along the wall of the bag receiving chamber. The platform is provided with a threaded hole pointing to the axis of the bag receiving chamber, and a screw is screwed into the threaded hole. One end of the screw is located outside the bag receiving chamber, and the other end is located inside the bag receiving chamber. A clamping plate is rotatably provided at the inner end. The clamping plate can rotate about the axis of the screw and can clamp the fertilizer bag.

[0010] Furthermore, the platform is integrally formed by thickening the walls of the bag-shaped storage compartment.

[0011] Furthermore, the material discharge and unblocking assembly includes an auger, a baffle plate, and a rotary drive assembly; the outlet end of the bag-breaking cylinder extends downward and is fixedly connected to the baffle plate; the auger is coaxially disposed inside the bag-breaking cylinder, and its lower end extends to the baffle plate; outlet ports are provided on both sides of the cylinder wall at the outlet end of the bag-breaking cylinder, and the outlet ports are connected to an extension tube that guides the fertilizer to the spreading disc; the rotary drive assembly is disposed below the baffle plate, and the output shaft of the rotary drive assembly passes through the baffle plate and is drivenly connected to the lower end of the auger.

[0012] The beneficial effects of this invention are as follows: The bag stabilizing component applies radial tension to the fertilizer bag to prevent collapse; the bag-breaking cylinder of the bag-piercing component enables automatic bag breaking; and the auger in the material unblocking component actively conveys and breaks up arches. These three components work together to completely solve the problems of low efficiency and easy clogging of fertilizers requiring manual feeding in traditional fertilizer spreaders. This integrated design not only achieves direct automated feeding of bagged fertilizer, significantly improving operational efficiency and continuity, but its auger conveying mechanism also enhances adaptability to fertilizers with different characteristics, significantly reducing the operator's labor intensity and health risks. The overall structure is compact and practical, and it is easy to use with existing spreaders. Attached Figure Description

[0013] Figure 1 This is a cross-sectional view of the overall structure of an embodiment of the present utility model; Figure 2 This is a schematic diagram of the bag-breaking tube structure according to an embodiment of the present utility model; Figure 3 This is a schematic diagram of the overall outer surface structure of an embodiment of the present utility model.

[0014] In the above attached figures: 1. Bag receiving chamber; 2. Platform; 3. Screw; 4. Threaded hole; 5. Clamping plate; 6. Bag breaking tube; 7. Spiked end; 8. Outlet end; 9. Hollow hole; 10. Screw; 11. Material blocking plate; 12. Rotary drive assembly; 13. Extension tube; 14. Fastening bolt; 15. Fertilizer bag; 16. Handle; 17. Fertilizer spreading plate. Detailed Implementation

[0015] like Figure 1 As shown, an integrated feeding mechanism for a fertilizer spreader is disclosed. The fertilizer spreader uses a pair of symmetrically arranged fertilizer spreading discs 17 to spread fertilizer. The integrated feeding mechanism includes a bag stabilizing component, a bag puncturing component, and a discharge unblocking component. The bag stabilizing component includes a bag receiving chamber 1 for accommodating fertilizer bags 15 and multiple fastening devices disposed thereon. The fastening devices can apply radial outward tension to the sidewalls of the bag to prevent it from collapsing. The bag puncturing component includes a bag-breaking cylinder 6 fixed to the bottom of the bag receiving chamber 1. The bag-breaking cylinder 6 has a spiked end 7 for puncturing the bag and a discharge end 8 for guiding the fertilizer flow to the spreading disc. The discharge unblocking component is used to unblock the bag-breaking cylinder 6 and push the fertilizer towards the discharge end 8.

[0016] like Figure 1 , Figure 2 , Figure 3 As shown, preferably, the bag-containing chamber 1 is a cylindrical structure with an opening at the top, and the bottom of the bag-containing chamber 1 is a downwardly protruding conical structure; the bag-breaking cylinder 6 is arranged through the conical structure along its axial direction, with the pointed end 7 of the bag-breaking cylinder 6 located in the internal cavity of the bag-containing chamber 1, and the outlet end 8 located outside the bag-containing chamber 1. This conical bottom structure can utilize gravity to naturally guide the fertilizer towards the central bag-breaking cylinder 6, optimizing the fertilizer flow path.

[0017] like Figure 1 , Figure 2 As shown, preferably, the portion of the bag-breaking cylinder 6 located inside the bag-containing chamber 1 has multiple perforated holes 9, allowing fertilizer to enter the bag-breaking cylinder 6 through these holes 9 after the bag is broken. The perforated holes 9 significantly increase the fertilizer entry channels, preventing supply interruptions caused by large particles or clumps of fertilizer clogging a single inlet, thus improving reliability.

[0018] like Figure 1 , Figure 2As shown, preferably, the fastening device includes a platform 2 on the outer wall of the bag receiving chamber 1. Multiple platforms 2 are evenly arranged circumferentially along the wall of the bag receiving chamber 1. Each platform 2 has a threaded hole 4 pointing towards the axis of the bag receiving chamber 1. A screw 3 is screwed into the threaded hole 4. One end of the screw 3 is located outside the bag receiving chamber 1, and the other end is located inside the bag receiving chamber 1. A clamping plate 5 is rotatably mounted on the inner end of the screw 3. The clamping plate 5 can rotate about the axis of the screw 3 and can clamp the fertilizer bag 15. Preferably, the other end of the screw 3 is provided with a handle 16 for easy manual rotation. A fastening nut is also provided on the screw 3 to lock it in place after rotation. This screw 3 and clamping plate 5 mechanism provides an adjustable and uniform radial clamping force, reliably fixing fertilizer bags 15 of different sizes and fullness, ensuring that the bag remains open during bag breaking and fertilizer discharge, avoiding obstruction of fertilizer discharge due to bag collapse and entrapment.

[0019] Regarding the rotary connection method between the screw 3 and the clamping plate 5, it should be noted that the rotary connection method used between the clamping plate 5 and the end of the screw 3 in this embodiment is a common application of movable connection structures in the prior art. Its core function is to enable the clamping plate 5 to move along the axis of the screw 3 without rotating relative to the axis of the screw 3. Specifically, this can be achieved using rotary connecting components such as spherical bearings or bushings with pins. This design ensures that the clamping plate 5 can adaptively adjust its angle when clamping the fertilizer bag 15. This embodiment does not impose a unique limitation on the specific type of this rotary connection structure.

[0020] like Figure 1 As shown, preferably, the platform 2 is integrally formed by thickening the wall of the bag-containing compartment 1. The integral thickened platform 2 structure enhances the local connection strength, making the fastening device more stable and reliable when subjected to the locking force of the screw 3, while simplifying the manufacturing process and improving the overall durability of the structure.

[0021] like Figure 1 , Figure 2 , Figure 3As shown, preferably, the material unblocking assembly includes an auger 10, a baffle plate 11, and a rotary drive assembly 12; the outlet end 8 of the bag-breaking cylinder 6 extends downward and is fixedly connected to the baffle plate 11 to form a closed pipe cavity; the auger 10 is coaxially disposed inside the bag-breaking cylinder 6, with its lower end extending to the baffle plate 11; outlet ports are provided on both sides of the cylinder wall of the outlet end 8 of the bag-breaking cylinder 6, and the outlet ports are connected to an extension pipe 13 that guides fertilizer to a spreading disc; the rotary drive assembly 12 is disposed below the baffle plate 11, and the output shaft of the rotary drive assembly 12 passes through the baffle plate 11 and is drively connected to the lower end of the auger 10. This design constitutes an active, forced conveying system. The rotating auger 10 not only effectively breaks up any potential fertilizer arches, but also continuously pushes the fertilizer towards the outlet 8. The fertilizer is evenly distributed through the outlets on both sides, ensuring the stability and consistency of the feed to the two spreading discs. This fundamentally solves the problem of easy clogging when relying on gravity for natural feeding. It should be noted that the rotating drive component 12 used in this embodiment only needs to be able to drive the auger 10 to rotate and ensure that the fertilizer is smoothly pushed to the outlet 8. Its specific structural form and power source (such as an electric motor, hydraulic motor, etc.) can be flexibly selected according to the overall machine configuration and actual working conditions. This embodiment does not impose a unique limitation on its specific model or type.

[0022] The method of using this utility model embodiment is as follows: 1. Place and secure the fertilizer bag 15 After placing the entire bag of fertilizer into the bag-containing compartment 1, rotate the screws 3 on each fastening device. The screws 3 push the clamping plates 5 inward until they clamp the side walls of the fertilizer bag 15. By evenly adjusting the multiple clamping plates 5, a radially outward pulling force is applied to the bag, keeping the fertilizer bag 15 open and stable inside the compartment, effectively preventing it from collapsing or encasing the fertilizer in subsequent processes, thus laying the foundation for smooth feeding.

[0023] 2. Puncture the bag and start feeding. After the fertilizer bag 15 is secured, its bottom rests on the spiked end 7 of the bag-breaking cylinder 6. Under the influence of the fertilizer's own weight, the spiked end 7 of the bag-breaking cylinder 6 will puncture the fertilizer bag 15. At this time, the fertilizer inside the bag begins to enter the cylinder through the perforated hole 9 on the bag-breaking cylinder 6 and the opening of its spiked end 7 under the influence of gravity. The multi-point feeding design of the perforated hole 9 effectively reduces the risk of clogging.

[0024] 3. Initiate forced conveying and uniform material distribution. The rotary drive assembly 12 is activated, driving the auger 10 to rotate within the bag-breaking cylinder 6. The blades of the auger 10 continuously and forcefully push the fertilizer towards the outlet end 8 of the bag-breaking cylinder 6, effectively breaking up any possible fertilizer arches or clumps and ensuring smooth feeding. After being pushed to the outlet end 8, the fertilizer flows out through the outlets on both sides of the cylinder wall and is guided via the connected extension pipe 13 to two symmetrically arranged spreading discs, thereby achieving uniform distribution and spreading of the fertilizer.

[0025] 4. Job Adjustment and Closure Processing The spreading rate can be adjusted by changing the rotation speed of the rotary drive component 12, thereby regulating the conveying efficiency of the auger 10 and controlling the spreading rate. A faster rotation speed results in more fertilizer being conveyed per unit time, thus increasing the spreading rate.

[0026] After the operation is completed, first stop the rotation drive assembly 12. Then, loosen the screw 3 in the reverse direction to detach the clamp 5 from the empty fertilizer bag 15 and remove it. Clean any remaining fertilizer residue from the bag holding chamber 1 and the bag breaking cylinder 6 to prepare for the next operation.

[0027] It should be emphasized that the bag containing chamber 1, the rotary drive assembly 12, etc. in this embodiment of the present invention all need to be fixed with an external frame, and the fertilizer spreading disc 17 is only shown in the figure for positional indication, and its power source is not shown in order to clarify the main body of this embodiment of the present invention.

[0028] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the spirit and scope of the technical solutions of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. An integrated feeding mechanism for a fertilizer spreader, wherein the fertilizer spreader spreads fertilizer through a pair of symmetrically arranged fertilizer spreading discs (17), characterized in that: The integrated feeding mechanism includes a bag stabilizing component, a bag puncturing component, and a material unblocking component. The bag stabilization assembly includes a bag housing compartment (1) for accommodating fertilizer bags (15) and a plurality of fastening devices disposed thereon, the fastening devices being capable of applying radially outward tensile force to the sidewalls of the bag to prevent them from collapsing. The bag puncture assembly includes a bag-puncturing tube (6) fixed to the bottom of the bag receiving chamber (1), the bag-puncturing tube (6) having a spike end (7) for puncturing the bag and an outlet end (8) for guiding fertilizer flow to the spreading disc. The feeding and unblocking component is used to unblock the broken bag tube (6) and push the fertilizer to the outlet end (8).

2. The integrated feeding mechanism for a fertilizer spreader according to claim 1, characterized in that: The bag-containing chamber (1) is a cylindrical structure with an opening at the top, and the bottom of the bag-containing chamber (1) is a cone-shaped structure that protrudes downwards; the bag-breaking cylinder (6) is installed through the cone-shaped structure, the spike end (7) of the bag-breaking cylinder (6) is located in the internal cavity of the bag-containing chamber (1), and the outlet end (8) is located outside the bag-containing chamber (1).

3. The integrated feeding mechanism for a fertilizer spreader according to claim 2, characterized in that: The part of the tube body of the bag-breaking cylinder (6) located inside the bag-containing chamber (1) is provided with multiple perforated holes (9), so that fertilizer can enter the inside of the bag-breaking cylinder (6) through the perforated holes (9) after the bag is broken.

4. The integrated feeding mechanism for a fertilizer spreader according to claim 2, characterized in that: The fastening device includes a platform (2) on the outer wall of the bag receiving chamber (1). Multiple platforms (2) are evenly arranged around the circumference of the chamber wall of the bag receiving chamber (1). A threaded hole (4) is provided on the platform (2). The threaded hole (4) points to the axis of the bag receiving chamber (1). A screw (3) is screwed into the threaded hole (4). One end of the screw (3) is located outside the bag receiving chamber (1), and the other end is located inside the bag receiving chamber (1). A clamping plate (5) is rotatably provided on the inner end. The clamping plate (5) can rotate around the axis of the screw (3) and can clamp the fertilizer bag (15).

5. An integrated feeding mechanism for a fertilizer spreader according to claim 4, characterized in that: The platform (2) is formed by thickening the walls of the bag-shaped container (1) as a single unit.

6. An integrated feeding mechanism for a fertilizer spreader according to claim 3, characterized in that: The material unblocking assembly includes an auger (10), a baffle plate (11), and a rotary drive assembly (12); the outlet end (8) of the bag breaking cylinder (6) extends downward and is fixedly connected to the baffle plate (11); the auger (10) is coaxially disposed inside the bag breaking cylinder (6), and its lower end extends to the baffle plate (11); the outlet end (8) of the bag breaking cylinder (6) has outlets on both sides of the cylinder wall, and the outlets are connected to an extension tube (13) that guides the fertilizer to the spreading plate; the rotary drive assembly (12) is disposed below the baffle plate (11), and the output shaft of the rotary drive assembly (12) passes through the baffle plate (11) and is connected to the lower end of the auger (10) for transmission.

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