Extrusion granulator for chemical fertilizer production

Abstract

The utility model provides a chemical fertilizer production extrusion pelletizer, which comprises a storage box, a driving mechanism, a discharge mechanism and a quantitative cutting mechanism, the side edge of the storage box is provided with a feeding port, the surface of the feeding port is hinged with a cover plate, the bottom end of the storage box is welded with the discharge mechanism, the side edge of the discharge mechanism is provided with the quantitative cutting mechanism, and the quantitative cutting mechanism is arranged on the bottom end of the storage box. According to the quantitative material cutting mechanism, extruded material parts can be blocked, so that the purpose of shaping each extruded particle after the extruded particle is subjected to higher pressure is achieved, then cutting is carried out, and the quantitative material cutting mechanism has the advantages of being simple in structure, convenient to operate and high in practicability. As each particle is shaped through the extrusion granulation notches with the uniform size, the uniformity of the size of each chemical fertilizer particle can be improved, the whole extrusion granulation process can be completed only through single power equipment, the equipment utilization rate is improved, and the equipment cost is reduced.

Description

Technical Field

[0001] This utility model relates to the field of granulator technology, specifically to an extrusion granulator for fertilizer production. Background Technology

[0002] The final stage of fertilizer production typically requires granulation. The main purpose of granulation is to improve the physical properties of the product, increase fertilization efficiency, simplify fertilization operations, and reduce nutrient loss. According to existing technology, such as the fertilizer extrusion granulator described in Chinese patent document CN116351323A, the disclosed technical solution involves a screen frame that continuously swings up and down to pour an appropriate amount of fertilizer into the feed hopper. The fertilizer falls downwards and contacts the pressure roller, which compresses the fertilizer into granules. These granules fall into the screen frame, where the up-and-down swinging of the screen frame removes dust adhering to the fertilizer granules. This prevents dust from adhering to the fertilizer granules and improves their quality.

[0003] According to its publicly available technical solutions, the existing extrusion granulator achieves the extrusion effect on materials through a perforated plate. However, this solution relies solely on the constant propulsion of the power equipment to achieve quantitative control, resulting in a certain volume difference between each particle and a lack of effective pressurization. On the other hand, the conventional granulation process requires cutting and extruding different power equipment, resulting in high equipment costs. Utility Model Content

[0004] To address the shortcomings of existing technologies, the purpose of this invention is to provide a fertilizer production extrusion granulator to solve the problems mentioned in the background. The quantitative cutting mechanism of this invention can block the extruded material, thereby ensuring that each extruded particle is subjected to high pressure to achieve the shaping purpose before being cut. Since each particle is shaped through an extrusion granulation notch of uniform size, the uniformity of the size of each fertilizer particle can be improved. The entire extrusion granulation process can be completed with only a single power device, which improves equipment utilization and reduces equipment costs.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a fertilizer production extrusion granulator, comprising a granulator body, the granulator body including a storage bin, a drive mechanism, a discharge mechanism, and a quantitative cutting mechanism, wherein a feeding port is provided on the side of the storage bin, a cover plate is hinged to the surface of the feeding port, a discharge mechanism is welded to the bottom of the storage bin, a quantitative cutting mechanism is installed on the side of the discharge mechanism, a support frame is welded to the top of the side of the storage bin, a top plate is welded to the top of the support frame, and a drive mechanism is installed in the middle of the top plate.

[0006] Furthermore, the driving mechanism includes a motor, a drive shaft, and a lead screw. The top end of the drive shaft is connected to the output end of the motor, and a pressing rod is connected to the side of the drive shaft. The end of the pressing rod is in contact with the top plane of the storage box.

[0007] Furthermore, the outer casing of the motor is screwed onto the surface of the top plate, the surface of the drive shaft is embedded into the top of the storage box through a sleeved bearing, and the end of the drive shaft is connected to a lead screw, the surface of which is sleeved with a threaded sleeve.

[0008] Furthermore, an extrusion plate is welded to the bottom of the threaded sleeve. The extrusion plate has an overall rectangular structure, and the side of the extrusion plate is attached to the inner wall of the storage box through a rubber layer. The pressing rods are symmetrically arranged on both sides of the drive shaft.

[0009] Furthermore, the quantitative cutting mechanism includes a base plate, a back plate, and a transmission support. A spring rod is inserted into the surface of the base plate, and a support plate is welded to the top of the spring rod. The back plate is integrally formed on both sides of the support plate. A sealing block and an arc-shaped groove are installed on the inner side of the back plate, and an extrusion granulation notch is provided on the surface of the arc-shaped groove.

[0010] Furthermore, a transmission bracket is welded to the top of the back plate, and an inclined plate is integrally formed at the end of the transmission bracket. Grooves are provided on both sides of the top of the storage box, and the inclined plate is aligned with the groove at the bottom.

[0011] Furthermore, the discharge mechanism includes a discharge sleeve, a discharge port, and a side baffle. The interior of the discharge sleeve is connected to the interior of the storage box, and the bottom of the discharge sleeve is closed. The side baffle is welded to the side of the discharge sleeve.

[0012] Furthermore, the discharge sleeve has a discharge port on its side, and side baffles are symmetrically arranged on the side of each discharge port. The surface of the sealing block and the surface of the discharge sleeve are in contact, and the side baffles are used to abut against the side of the sealing block.

[0013] The beneficial effects of this utility model are:

[0014] 1. This fertilizer production extrusion granulator pushes the material inside the discharge box into the discharge mechanism at the bottom using a drive mechanism. The outer quantitative cutting mechanism can block the extruded material, thereby ensuring that each extruded granule is subjected to high pressure to achieve the purpose of shaping before being cut. Since each granule is shaped through an extrusion granulation notch of uniform size, the uniformity of the size of each fertilizer granule can be improved.

[0015] 2. When the fertilizer production extrusion granulator cuts the extruded and shaped granules through the outer quantitative cutting mechanism, it can automatically slide the cut granules to the side through its own arc-shaped structure on the inner side, thus achieving the purpose of automatic material discharge.

[0016] 3. This fertilizer production extrusion granulator uses a drive mechanism at the top to simultaneously move the inner extrusion plate downwards, thus pushing the material. At the same time, it uses a pressing rod on the surface in conjunction with a quantitative cutting mechanism to achieve the cutting effect. The entire extrusion granulation process can be completed with only a single power device, which improves equipment utilization and reduces equipment costs. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the external structure of a fertilizer production extrusion granulator according to the present invention.

[0018] Figure 2 This is a schematic diagram of the structure of the storage box part of this utility model;

[0019] Figure 3 This is a schematic diagram of the drive mechanism of this utility model;

[0020] Figure 4 This is a schematic diagram of the material discharge mechanism of this utility model;

[0021] Figure 5 This is a schematic diagram of the quantitative cutting mechanism of this utility model;

[0022] In the diagram: 1. Storage bin; 2. Support frame; 3. Top plate; 4. Drive mechanism; 5. Discharge mechanism; 6. Quantitative cutting mechanism; 7. Feeding port; 8. Motor; 9. Drive shaft; 10. Pressing rod; 11. Lead screw; 12. Threaded sleeve; 13. Extrusion plate; 14. Discharge sleeve; 15. Discharge port; 16. Side baffle; 17. Bottom plate; 18. Spring rod; 19. Support plate; 20. Back plate; 21. Transmission bracket; 22. Inclined plate; 23. Sealing block; 24. Arc groove; 25. Extrusion granulation notch; 26. Groove. Detailed Implementation

[0023] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0024] Please see Figures 1 to 5This utility model provides the following technical solution: a fertilizer production extrusion granulator, comprising a granulator body, the granulator body including a storage tank 1, a drive mechanism 4, a discharge mechanism 5, and a quantitative cutting mechanism 6. The storage tank 1 has a feeding port 7 on its side, and a cover plate is hinged to the surface of the feeding port 7. The discharge mechanism 5 is welded to the bottom of the storage tank 1, and the quantitative cutting mechanism 6 is installed on the side of the discharge mechanism 5. A support frame 2 is welded to the top of the side of the storage tank 1, and a top plate 3 is welded to the top of the support frame 2. The drive mechanism 4 is installed in the middle of the top plate 3. This granulator is used for granulating fertilizer after production.

[0025] In use, the fertilizer after processing is fed into the storage tank 1 through the feeding port 7 on the side. Then, the top drive mechanism 4 is activated, which drives the inner extrusion plate 13 to move downward, pushing the fertilizer raw material inside the storage tank 1 towards the bottom and squeezing it into the discharge mechanism 5. The fertilizer is then extruded from the side of the discharge mechanism 5. The quantitative cutting mechanism 6 blocks the extruded fertilizer, creating high pressure and shaping it under this pressure. As the drive mechanism 4 continues to rotate, it eventually triggers the top structure of the quantitative cutting mechanism 6, causing the entire quantitative cutting mechanism 6 to move downward. With the downward movement of the quantitative cutting mechanism 6, the extruded fertilizer granules can be cut, achieving the effect of granulation.

[0026] In this embodiment, the drive mechanism 4 includes a motor 8, a drive shaft 9, and a lead screw 11. The top end of the drive shaft 9 is connected to the output end of the motor 8, and a pressing rod 10 is connected to the side of the drive shaft 9. The end of the pressing rod 10 is in contact with the top plane of the storage box 1. The outer casing of the motor 8 is screwed onto the surface of the top plate 3. The surface of the drive shaft 9 is embedded into the top of the storage box 1 through a sleeved bearing. The end of the drive shaft 9 is connected to the lead screw 11, and a threaded sleeve 12 is sleeved on the surface of the lead screw 11. An extrusion plate 13 is welded to the bottom of the threaded sleeve 12. The extrusion plate 13 has an overall rectangular structure, and the side of the extrusion plate 13 is in contact with the inner wall of the storage box 1 through an attached rubber layer. The pressing rods 10 are symmetrically arranged on both sides of the drive shaft 9. At the top, the driving mechanism 4 simultaneously drives the inner extrusion plate 13 to move downward, thereby pushing the material. At the same time, the pressing rod 10 on the surface works in conjunction with the quantitative cutting mechanism 6 to achieve the cutting effect. The entire extrusion granulation process can be completed with only a single power device, which improves the equipment utilization rate and reduces the equipment cost.

[0027] Specifically, after starting the motor 8, the rotation of the motor 8 will drive the drive shaft 9 to rotate, which will drive the pressing rod 10 on the surface and the lead screw 11 at the bottom to rotate. The lead screw 11, in conjunction with the threaded sleeve 12, can move the extrusion plate 13 at the bottom to move up and down. By moving the extrusion plate 13 downward, downward pressure can be applied to the fertilizer raw material part put into the storage box 1, ensuring that the fertilizer can enter the discharge mechanism 5 at the bottom. At the same time, with the help of the rotation of the pressing rod 10 on the drive side, it will press against the top area of ​​the quantitative cutting mechanism 6, triggering the periodic lifting and lowering movement of the quantitative cutting mechanism 6. The lifting and lowering effect of the quantitative cutting mechanism 6 can periodically cut the extruded fertilizer particles.

[0028] In this embodiment, the quantitative cutting mechanism 6 includes a base plate 17, a back plate 20, and a transmission support 21. A spring rod 18 is inserted into the surface of the base plate 17, and a support plate 19 is welded to the top of the spring rod 18. The back plate 20 is integrally formed on both sides of the support plate 19. A sealing block 23 and an arc-shaped groove 24 are installed on the inner side of the back plate 20. The surface of the arc-shaped groove 24 is provided with an extrusion granulation notch 25. The transmission support 21 is welded to the top of the back plate 20, and an inclined plate 22 is integrally formed at the end of the transmission support 21. Grooves 26 are opened on both sides of the top of the storage box 1, and the inclined plate 22 is aligned with the grooves 26 at the bottom. When the quantitative cutting mechanism 6 cuts the extruded and shaped granules, the inner arc-shaped structure allows the cut granules to automatically slide to the side, achieving automatic material discharge.

[0029] Specifically, in its initial state, the quantitative cutting mechanism 6 is positioned above each discharge port 15 via the inner sealing block 23. The discharge port 15 is aligned with the arc-shaped groove 24. Therefore, the extrusion granulation notch 25 can form a closed area through the side baffle 16, the arc-shaped groove 24, and the sealing block 23. The top drive mechanism 4 drives the pressing rod 10 to rotate until it moves from the bottom edge of the inclined plate 22, pressing the inclined plate 22 towards the bottom until it is embedded inside the groove 26. At this point, the transmission bracket 21 and the back plate 20 can be moved down, that is, the entire quantitative cutting mechanism 6 is moved down. This downward movement can cut off the fertilizer raw material inside the extrusion granulation notch 25 with the help of the sealing block 23, and seal the discharge port 15 with the help of the sealing block 23. The cut fertilizer particles can be exposed from the side to the area between the two side baffles 16, and slide to the side with the help of the arc groove 24. The quantitative cutting mechanism 6 can then be reset by the spring rod 18 at the bottom.

[0030] In this embodiment, the discharge mechanism 5 includes a discharge sleeve 14, a discharge port 15, and a side baffle 16. The interior of the discharge sleeve 14 is connected to the interior of the storage box 1, and the bottom of the discharge sleeve 14 is closed. The side baffle 16 is welded to the side of the discharge sleeve 14. The discharge port 15 is provided on the side of the discharge sleeve 14, and the side baffle 16 is symmetrically arranged on the side of each discharge port 15. The surface of the sealing block 23 is in contact with the surface of the discharge sleeve 14, and the side baffle 16 is used to abut against the side of the sealing block 23. By pushing the material inside the discharge box into the discharge mechanism 5 at the bottom with the help of the drive mechanism 4, the extruded material can be blocked by the quantitative cutting mechanism 6 on the outside, thereby ensuring that each extruded particle is subjected to high pressure to achieve the purpose of shaping before cutting. Since each particle is shaped by an extrusion granulation notch 25 of uniform size, the uniformity of the size of each fertilizer particle can be improved. Specifically, the fertilizer can be pushed from the inside of the storage box 1 into the discharge sleeve 14 at the bottom through the top extrusion plate 13, and squeezed outward from the discharge port 15 on the side of the discharge sleeve 14.

[0031] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. It is obvious to those skilled in the art that this utility model is not limited to the details of the above exemplary embodiments, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model.

[0032] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A fertilizer production extrusion granulator comprising a granulator body, characterized by: The granulator body includes a storage box (1), a drive mechanism (4), a discharge mechanism (5), and a quantitative cutting mechanism (6). The storage box (1) has a feeding port (7) on its side. The surface of the feeding port (7) is hinged with a cover plate. The bottom of the storage box (1) is welded with the discharge mechanism (5). The side of the discharge mechanism (5) is equipped with the quantitative cutting mechanism (6). The top of the side of the storage box (1) is welded with a support frame (2). The top of the support frame (2) is welded with a top plate (3). The middle of the top plate (3) is equipped with the drive mechanism (4).

2. The fertilizer production extruding granulator according to claim 1, characterized in that: The drive mechanism (4) includes a motor (8), a drive shaft (9) and a lead screw (11). The top end of the drive shaft (9) is connected to the output end of the motor (8), and a pressing rod (10) is connected to the side of the drive shaft (9). The end of the pressing rod (10) is in contact with the top plane of the storage box (1).

3. The fertilizer production extruding granulator according to claim 2, characterized in that: The outer casing of the motor (8) is screwed onto the surface of the top plate (3). The surface of the drive shaft (9) is embedded into the top of the storage box (1) through a sleeved bearing. The end of the drive shaft (9) is connected to a lead screw (11), and a threaded sleeve (12) is sleeved on the surface of the lead screw (11).

4. The fertilizer production extruding granulator according to claim 3, characterized in that: The bottom of the threaded sleeve (12) is welded with an extrusion plate (13). The extrusion plate (13) is rectangular in shape, and the side of the extrusion plate (13) is attached to the inner wall of the storage box (1) through a rubber layer. The pressing rod (10) is symmetrically arranged on both sides of the drive shaft (9).

5. The fertilizer production extruding granulator according to claim 2, characterized in that: The quantitative cutting mechanism (6) includes a base plate (17), a back plate (20), and a transmission bracket (21). A spring rod (18) is inserted into the surface of the base plate (17). A support plate (19) is welded to the top of the spring rod (18). The back plate (20) is integrally formed on both sides of the support plate (19). A sealing block (23) and an arc groove (24) are installed on the inner side of the back plate (20). An extrusion granulation notch (25) is provided on the surface of the arc groove (24).

6. The fertilizer production extruding granulator according to claim 5, characterized in that: The top of the back plate (20) is welded with a transmission bracket (21), and the end of the transmission bracket (21) is integrally formed with an inclined plate (22). The top two sides of the storage box (1) are provided with grooves (26), and the inclined plate (22) is aligned with the groove (26) at the bottom.

7. The fertilizer production extruding granulator according to claim 5, characterized in that: The discharge mechanism (5) includes a discharge sleeve (14), a discharge port (15) and a side baffle (16). The interior of the discharge sleeve (14) is connected to the interior of the storage box (1), and the bottom of the discharge sleeve (14) is closed. The side baffle (16) is welded to the side of the discharge sleeve (14).

8. The fertilizer production extruding granulator according to claim 7, characterized in that: The discharge sleeve (14) has a discharge port (15) on its side, and the side baffles (16) are symmetrically arranged on the side of each discharge port (15). The surface of the sealing block (23) is in contact with the surface of the discharge sleeve (14), and the side baffles (16) are used to abut against the side of the sealing block (23).

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