Compound fertilizer screening machine for preventing adhesion to inner wall of screening cylinder

Abstract

The utility model discloses a kind of composite fertilizer screening machines for preventing adhesion screen cylinder inner wall, belong to composite fertilizer screening technical field, including support assembly, the support assembly includes rack, the inner wall of the rack is fixedly connected with outer tube;Screening cylinder, the screening cylinder rotation is arranged in the inside of outer tube, and screening cylinder is in the inside of outer tube is mesh structure, the surface of the screening cylinder is sprayed with anti-adhesion coating;Driving assembly, the driving assembly is used for the rotation drive of screening cylinder.By the steel wire mesh structure of the small diameter of screening cylinder, reduce the contact area of composite fertilizer particle and screening cylinder, while the surface of mesh structure is evenly sprayed with the anti-adhesion coating of polysiloxane material, further reduce the adhesion ability of composite fertilizer and screening cylinder, to effectively reduce the adhesion of composite fertilizer in screening cylinder inner wall, reduce the probability of screening cylinder block, to improve the screening efficiency of the device.

Description

Technical Field

[0001] This utility model relates to the field of compound fertilizer screening technology, specifically a compound fertilizer screening machine that prevents adhesion to the inner wall of the screen cylinder. Background Technology

[0002] Compound fertilizer is a chemical fertilizer containing two or more of the three main nutrients: nitrogen, phosphorus, and potassium. It meets the comprehensive nutritional needs of crops through scientific formulation and is characterized by high nutrient content and convenient application. During its production and processing, compound fertilizer needs to be screened to improve the quality of the collected compound fertilizer.

[0003] Fertilizer particles tend to adhere to the inner wall of the screen cylinder in existing compound fertilizer screening machines. In particular, compound fertilizers contain viscous components, which make them sticky. As a result, during screening, the compound fertilizer is more likely to adhere to the inner wall of the screen cylinder, causing the screen holes to become clogged. This necessitates frequent machine shutdowns for cleaning, reducing screening efficiency.

[0004] Therefore, this utility model provides a compound fertilizer screening machine that prevents adhesion to the inner wall of the screen cylinder, in order to solve the above-mentioned problems. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] This invention provides a compound fertilizer screening machine that prevents adhesion to the inner wall of the screen cylinder, aiming to solve the problems mentioned in the background art.

[0007] (II) Technical Solution

[0008] To achieve the above objectives, this utility model provides the following technical solution: a compound fertilizer screening machine that prevents adhesion to the inner wall of a screen cylinder, comprising a support assembly, wherein the support assembly includes a frame, and an outer cylinder is fixedly connected to the inner wall of the frame;

[0009] A screening cylinder is rotatably disposed inside an outer cylinder, and the screening cylinder inside the outer cylinder has a mesh structure. The surface of the screening cylinder is coated with an anti-stick coating.

[0010] A drive assembly for driving the rotation of the screening cylinder;

[0011] The feeding assembly includes a second motor fixedly connected to the outer wall of the frame, and the output end of the second motor is connected to a synchronous belt drive mechanism. The other end of the synchronous belt drive mechanism is connected to a second main shaft, and the second main shaft is rotatably disposed inside the screening cylinder. The outer wall of the second main shaft is fixedly connected to an auger blade.

[0012] As a preferred technical solution of this application, the outer cylinder is arranged in an inclined structure, the top of the outer cylinder is hinged with an inspection door, a material discharge plate is connected below the lowest inclined end of the outer cylinder, and a discharge trough is opened downward at the lowest end of the lower surface of the outer cylinder.

[0013] As a preferred technical solution of this application, the anti-stick coating on the surface of the screening cylinder is made of polysiloxane, and the mesh structure of the screening cylinder is made of steel wire.

[0014] As a preferred technical solution of this application, the drive assembly includes a first motor fixedly connected to the outer wall of the frame, and a first gear fixedly connected to the output end of the first motor. A second gear meshes with the outside of the first gear, and the second gear is fixedly connected to the outer wall of one end of the screening cylinder.

[0015] As a preferred technical solution of this application, a third gear meshes above the second gear, a first main shaft is fixedly connected to the center of the third gear, and the two ends of the first main shaft are rotatably connected to the outer cylinder through ball bearings, and a rubber belt is fixedly connected to the outer wall of the first main shaft.

[0016] As a preferred technical solution of this application, the two ends of the second main shaft are rotatably connected to the frame through bearing seats, the auger blades are rotatably attached to the inner wall of the screening cylinder, and the outer surface of the auger blades is also coated with an anti-stick coating.

[0017] (III) Beneficial Effects

[0018] The beneficial effects of this application are as follows:

[0019] 1. This utility model reduces the contact area between compound fertilizer particles and the screening cylinder by using a small-diameter steel wire mesh structure. At the same time, the surface of the mesh structure is uniformly sprayed with a polysiloxane anti-stick coating, which further reduces the adhesion between the compound fertilizer and the screening cylinder. This effectively reduces the adhesion of compound fertilizer to the inner wall of the screening cylinder, reduces the probability of clogging, and thus improves the screening efficiency of the device.

[0020] 2. This utility model, through the setting of the feeding component, uses the rotation of the auger blades to achieve a spiral push on the compound fertilizer, thereby promoting the downward movement of the compound fertilizer and reducing its accumulation. At the same time, in conjunction with the circumferential rotation of the screening cylinder, the contact time between the compound fertilizer and the same position of the screening cylinder is reduced, further preventing the compound fertilizer from adhering to the screening cylinder. Furthermore, the rotation of the screening cylinder simultaneously drives the rubber belt to rotate, and the rotation of the rubber belt taps the top of the screening cylinder, which can remove powdery materials adhering to the inner wall through the vibration of the screening cylinder. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of the present utility model;

[0022] Figure 2 This is a schematic diagram of the internal structure of the outer cylinder of this utility model;

[0023] Figure 3 This is a schematic diagram of the connection structure of the screening cylinder of this utility model;

[0024] Figure 4 This is a partial structural diagram of the pusher assembly of this utility model.

[0025] In the picture:

[0026] 1. Support assembly; 11. Frame; 12. Outer cylinder; 13. Inspection door; 14. Feeding plate; 2. Screening cylinder; 3. Drive assembly; 31. First motor; 32. First gear; 33. Second gear; 34. Third gear; 35. First main shaft; 36. Rubber belt; 4. Pushing assembly; 41. Second motor; 42. Synchronous belt drive mechanism; 43. Second main shaft; 44. Screwdriver blades. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] like Figure 1-4As shown, this utility model provides a compound fertilizer screening machine to prevent adhesion to the inner wall of the screening cylinder. It includes a support assembly 1, which includes a frame 11 with an outer cylinder 12 fixedly connected to its inner wall; a screening cylinder 2, rotatably disposed inside the outer cylinder 12, and having a mesh structure within the outer cylinder 12, with an anti-stick coating sprayed on its surface; a drive assembly 3 for driving the rotation of the screening cylinder 2; and a pushing assembly 4, which includes a second motor 41 fixedly connected to the outer wall of the frame 11, with a synchronous belt drive mechanism 42 connected to the output end of the second motor 41. The other end of the synchronous belt drive mechanism 42 is connected to a second main shaft 43, which is rotatably disposed inside the screening cylinder 2, with the outer wall of the second main shaft 43 fixedly connected to its inner wall. The auger blades 44 are fixedly connected and driven by the drive assembly 3 to rotate the screening cylinder 2. The rotation of the screening cylinder 2 reduces the contact time between the compound fertilizer and the same position on the screening cylinder 2, thereby reducing the probability of compound fertilizer adhesion. At the same time, the mesh structure of the screening cylinder 2 further reduces the contact area between the screening cylinder 2 and the compound fertilizer. Combined with the anti-stick coating, it can effectively reduce the occurrence of compound fertilizer adhesion. The second motor 41 drives the second main shaft 43 to rotate under the transmission of the synchronous belt transmission mechanism 42. When the second main shaft 43 rotates, the rotation of the auger blades 44 can spirally push the compound fertilizer inside the screening cylinder 2, thereby preventing the compound fertilizer from sliding down unevenly and avoiding the accumulation of compound fertilizer that would increase the probability of adhesion.

[0029] Furthermore, the outer cylinder 12 is arranged in an inclined structure, and an inspection door 13 is hinged to the top of the outer cylinder 12. A discharge plate 14 is connected to the lowest inclined end of the outer cylinder 12. A discharge trough is opened at the lowest end of the lower surface of the outer cylinder 12. The opening of the discharge trough at the bottom of the outer cylinder 12 can guide and collect the filtered fine impurities, and the compound fertilizer inside the screening cylinder 2 is guided and collected by the discharge plate 14 after being screened by the screening cylinder 2.

[0030] Furthermore, the anti-stick coating on the surface of the screening cylinder 2 is made of polysiloxane. After spraying, the surface exhibits a "lotus leaf effect," forming a low surface energy coating that effectively reduces the adhesion of compound fertilizer. The mesh structure of the screening cylinder 2 is made of steel wire with a small diameter, which reduces the contact area with the compound fertilizer during screening, thereby improving the anti-stick performance of the screening cylinder 2.

[0031] Furthermore, the drive assembly 3 includes a first motor 31 fixedly connected to the outer wall of the frame 11, and a first gear 32 fixedly connected to the output end of the first motor 31. A second gear 33 meshes with the outside of the first gear 32, and the second gear 33 is fixedly connected to the outer wall of one end of the screening cylinder 2. The first motor 31 drives the first gear 32 to rotate, and the meshing of the second gear 33 drives the screening cylinder 2 to rotate. While the screening cylinder 2 rotates, it can further reduce the contact time between the compound fertilizer and the same position of the screening cylinder 2, thereby further reducing the adhesion of the compound fertilizer.

[0032] Furthermore, a third gear 34 meshes above the second gear 33. The center of the third gear 34 is fixedly connected to the first main shaft 35, and both ends of the first main shaft 35 are rotatably connected to the outer cylinder 12 through ball bearings. A rubber belt 36 is fixedly connected to the outer wall of the first main shaft 35. When the second gear 33 rotates, it drives the first main shaft 35 to rotate through the third gear 34. Furthermore, through the rotation of the rubber belt 36, the upper surface of the screening cylinder 2 can be cyclically struck, thereby further reducing the adhesion of the inner wall of the screening cylinder 2 through vibration.

[0033] Furthermore, the two ends of the second main shaft 43 are rotatably connected to the frame 11 through bearing seats. The auger blades 44 rotate and adhere to the inner wall of the screening cylinder 2, and the outer surface of the auger blades 44 is also sprayed with an anti-stick coating. The anti-stick coating of the auger blades 44 is the same as the coating used on the surface of the screening cylinder 2, which further improves the anti-stick effect of the auger blades 44. Thus, the smoothness of compound fertilizer feeding can be improved by the spiral push of the auger blades 44.

[0034] Working principle: First, the first motor 31 and the second motor 41 are started. Then, with the start of the first motor 31, the first gear 32 drives the second gear 33 to rotate, thereby realizing the rotation of the screening cylinder 2. At the same time, the second motor 41 drives the auger blades 44 to rotate. When an appropriate amount of compound fertilizer is added into the screening cylinder 2, the rotation of the screening cylinder 2 and the auger blades 44 work together to realize the spiral propulsion of the compound fertilizer. After passing through the mesh structure of the screening cylinder 2, the compound fertilizer is screened. Finally, the screened compound fertilizer falls to the discharge plate 14 for diversion and collection.

[0035] The above are merely preferred embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this utility model, based on the technical solution and inventive concept of this utility model, should be included within the scope of protection of this utility model.

Claims

1. A compound fertilizer screening machine that prevents adhesion to the inner wall of a screen cylinder, characterized in that: It includes a support assembly (1), which includes a frame (11), and an outer cylinder (12) is fixedly connected to the inner wall of the frame (11); Screening cylinder (2), the screening cylinder (2) is rotatably disposed inside the outer cylinder (12), and the screening cylinder (2) inside the outer cylinder (12) is a mesh structure, and the surface of the screening cylinder (2) is sprayed with an anti-stick coating. Drive assembly (3), the drive assembly (3) is used to drive the rotation of the screening cylinder (2); The feeding assembly (4) includes a second motor (41) fixedly connected to the outer wall of the frame (11), and the output end of the second motor (41) is connected to a synchronous belt drive mechanism (42). The other end of the synchronous belt drive mechanism (42) is connected to a second main shaft (43), and the second main shaft (43) is rotatably disposed inside the screening cylinder (2). The outer wall of the second main shaft (43) is fixedly connected to an auger blade (44).

2. The compound fertilizer screening machine for preventing adhesion to the inner wall of the screen cylinder according to claim 1, characterized in that: The outer cylinder (12) is arranged in an inclined structure. The top of the outer cylinder (12) is hinged with an inspection door (13). The bottom of the lowest inclined end of the outer cylinder (12) is connected to a material discharge plate (14). The lowest end of the lower surface of the outer cylinder (12) is provided with a discharge trough.

3. A compound fertilizer screening machine for preventing adhesion to the inner wall of a screen cylinder according to claim 1, characterized in that: The anti-stick coating on the surface of the screening cylinder (2) is made of polysiloxane, and the mesh structure of the screening cylinder (2) is made of steel wire.

4. A compound fertilizer screening machine for preventing adhesion to the inner wall of a screen cylinder according to claim 3, characterized in that: The drive assembly (3) includes a first motor (31) fixedly connected to the outer wall of the frame (11), and a first gear (32) fixedly connected to the output end of the first motor (31). A second gear (33) meshes with the outside of the first gear (32), and the second gear (33) is fixedly connected to the outer wall of one end of the screening cylinder (2).

5. A compound fertilizer screening machine for preventing adhesion to the inner wall of a screen cylinder according to claim 4, characterized in that: A third gear (34) meshes above the second gear (33). The center of the third gear (34) is fixedly connected to a first main shaft (35), and both ends of the first main shaft (35) are rotatably connected to the outer cylinder (12) through ball bearings. A rubber belt (36) is fixedly connected to the outer wall of the first main shaft (35).

6. A compound fertilizer screening machine for preventing adhesion to the inner wall of a screen cylinder according to claim 5, characterized in that: The two ends of the second main shaft (43) are rotatably connected to the frame (11) through bearing seats. The auger blades (44) are rotatably attached to the inner wall of the screening cylinder (2), and the outer surface of the auger blades (44) is also coated with an anti-stick coating.

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