Screening device for compound fertilizer production

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By introducing a buffer component into the screening device, using buffer bags and buffer springs to reduce the impact force of fertilizer falling, the problem of fertilizer breakage is solved and the production quality of fertilizer is improved.

CN223571315UActive Publication Date: 2025-11-21TONGLING GUOXING CHEM CO LTD

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Patent Information

Application Number: CN202422630994.7
Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner
Filing Date: 2024-10-30
Publication Date: 2025-11-21
Estimated Expiration: 2034-10-30

AI Technical Summary

Technical Problem

The existing screening equipment lacks a buffer component, which makes the fertilizer easy to break when it falls, producing debris and powder, which affects the production quality of the fertilizer.

Method used

A screening device including a buffer component was designed. The buffer component consists of a buffer bag and a buffer spring. The angle of the buffer bag can be adjusted by adjusting the component to provide a buffering effect and reduce the impact force of the fertilizer falling.

Benefits of technology

It effectively reduces the breakage rate of fertilizer during the screening process and improves the production quality and uniformity of fertilizer.

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Abstract

The utility model belongs to the technical field of fertilizer production, and discloses a screening device for compound fertilizer production, which comprises a screening frame and a feeding hopper, the feeding hopper is arranged above the screening frame, a buffer component is arranged between the feeding hopper and the screening frame, and the feeding hopper is positioned right above the buffer component; the buffering assembly comprises a material receiving assembly arranged between the screening frame and the feeding hopper, the bottom of the material receiving assembly is fixedly connected with a plurality of dispersing hoppers, the bottoms of the dispersing hoppers are fixedly connected with buffering cloth bags, and the lower ends of the buffering cloth bags are fixedly connected with connecting rings. Due to the arrangement of the buffer cloth bag, the direction of the lower end of the buffer cloth bag can be changed under the matching of the connecting ring and the buffer spring, so that fertilizer which rapidly falls in the buffer cloth bag can be effectively and slowly slowed down, the impact force of the fertilizer which flows out of the buffer cloth bag and falls onto the screening frame can be reduced, and the probability of crushing the fertilizer is further reduced; therefore, the quality of the produced and processed fertilizer is improved.

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Description

TECHNICAL FIELD

[0001] The utility model belongs to fertilizer production technical field, specifically a kind of screening device for compound fertilizer production. BACKGROUND

[0002] After the production granulation of fertilizer is finished, it needs to be screened to improve the uniformity of fertilizer. Because the dissolution time of fertilizer with different particle sizes is different when used, after screening, the larger and smaller particles are packaged together, which can make the fertilizer more convenient to use, and the staff can accurately master the dissolution time of fertilizer, to avoid incomplete dissolution of fertilizer affecting fertilizer efficiency, or too long dissolution time affecting work efficiency.

[0003] But the existing screening device mostly lacks buffer assembly, the spring strength of the bottom of some screening frame is too large to provide buffering effect for falling fertilizer particles. In this case, the fertilizer falling impact on the screening frame will be broken, which will cause the generation of many debris and powder, greatly affecting the quality of fertilizer production. Therefore, it is improved to solve the problems existing in the prior art. UTILITY MODEL CONTENT

[0004] To solve the problems in the background art, the utility model provides a screening device for compound fertilizer production, which has the advantages of reducing breakage and improving quality.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a screening device for compound fertilizer production, comprising a screening frame and a feeding hopper, the feeding hopper is arranged above the screening frame, a buffer assembly is arranged between the feeding hopper and the screening frame, and the feeding hopper is located directly above the buffer assembly.

[0006] The buffer assembly comprises a receiving assembly arranged between the screening frame and the feeding hopper, the bottom of the receiving assembly is fixedly connected with a plurality of dispersion hoppers, the bottom of the dispersion hopper is fixedly connected with a buffer cloth bag, the lower end of the buffer cloth bag is fixedly connected with a connecting ring, the lower end of the connecting ring is inclined, the top of the lower end of the connecting ring is connected with a buffer spring, the upper end of the buffer spring is connected with an adjusting rod, the upper end of the adjusting rod is connected with an adjusting assembly, and the adjusting assembly is arranged on the side of the receiving assembly.

[0007] Preferably, the front and rear sides of the feeding hopper are fixedly connected with supports, the two ends of the receiving assembly are fixedly connected with the front and rear supports, and the lower end of the support is fixedly connected with the top of the screening frame.

[0008] Preferably, the receiving assembly comprises a receiving box fixedly connected between the two supports, a receiving groove is formed in the top of the receiving box, and a plurality of material leakage openings are formed in the bottom of the receiving groove and correspond to the dispersion hoppers in a one-to-one correspondence and are in communication with each other.

[0009] Preferably, a dispersion filter plate is fixedly installed inside the receiving groove and located above the plurality of material leakage openings, the outer surface of the dispersion filter plate is smooth and arc-shaped, and the middle part of the dispersion filter plate is located above the horizontal plane of the two ends.

[0010] Preferably, the adjusting assembly comprises a limiting sliding groove formed in the side surface of the receiving box, and a linkage sliding block is slidably connected inside the limiting sliding groove.

[0011] Preferably, a connecting sleeve is fixedly connected to the outer surface of the linkage sliding block and the top of the receiving box, an adjusting screw rod is arranged in the connecting sleeve, the lower end of the adjusting screw rod is threadedly connected to the inside of one of the connecting sleeves, the upper end of the adjusting screw rod is movably connected to the inside of the other connecting sleeve, and the upper end of the adjusting screw rod penetrates through the connecting sleeve and extends to the top of the receiving box and is fixedly connected with an adjusting knob.

[0012] Preferably, the upper end of the adjusting rod is hingedly connected to the linkage sliding block, and the lower end of the adjusting rod is movably connected to the connecting ring.

[0013] Compared with the prior art, the utility model has the beneficial effects as follows:

[0014] 1. The utility model discloses a buffering cloth bag is arranged, and the buffering cloth bag lower end changes the direction under the cooperation of the connecting ring and the buffer spring, and then the fertilizer falling in the buffering cloth bag can be effectively slowed down, that is, the impact degree of the fertilizer flowing out of the buffering cloth bag and falling on the screening frame can be reduced, and then the crushing probability of the fertilizer is reduced, so that the quality of the produced and processed fertilizer is improved.

[0015] 2. The utility model discloses a buffering spring is arranged, and the buffering effect provided for the fertilizer can be further improved while the direction of the buffering cloth bag is changed, and then the rate of the waste materials of different weights falling on the screening frame is effectively reduced, so that the crushing rate is effectively reduced.

[0016] 3. The utility model discloses an adjusting assembly is arranged, and the angle of the lower end of the plurality of buffering cloth bags can be changed by the cooperation of the adjusting rod and the adjusting rod, so that the buffering effect provided for the fertilizer of different weights is good, and the angle of the lower end of any buffering cloth bag can be adjusted individually by the adjusting rod, so that the situation that the fertilizer in the material leakage openings at the two ends of the receiving groove is less than the fertilizer in the material leakage opening in the middle part is adapted. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the utility model;

[0018] Figure 2 It is a front view of the buffer assembly of the utility model;

[0019] Figure 3 It is a structural schematic view of the buffer assembly of the utility model;

[0020] Figure 4 It is Figure 3 It is a local enlarged schematic view of A in the middle;

[0021] Figure 5 It is a sectional view of the side of the buffer assembly in the utility model.

[0022] In the figure: 1, screening frame; 2, feeding hopper; 3, buffer assembly; 31, material receiving assembly; 311, material receiving box; 312, material receiving groove; 313, material leakage opening; 314, dispersion filter plate; 32, dispersion hopper; 33, buffer cloth bag; 34, connecting ring; 35, adjusting assembly; 351, limiting sliding groove; 352, linkage sliding block; 353, connecting sleeve; 354, adjusting screw; 355, adjusting knob; 36, adjusting rod; 37, buffer spring; 4, support. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] As Figures 1 to 5 shown, the utility model provides a kind of screening device for compound fertilizer production, including screening frame 1 and feeding hopper 2, the feeding hopper 2 is set in the upper of screening frame 1, buffer assembly 3 is provided between the feeding hopper 2 and screening frame 1, the feeding hopper 2 is located in the directly upper of buffer assembly 3;

[0025] The buffer assembly 3 comprises a receiving assembly 31 arranged between the screening frame 1 and the upper hopper 2, the bottom of the receiving assembly 31 is fixedly connected with a plurality of dispersion hoppers 32, the bottom of the dispersion hopper 32 is fixedly connected with a buffer cloth bag 33, the lower end of the buffer cloth bag 33 is fixedly connected with a connecting ring 34, the lower end of the connecting ring 34 is arranged in an inclined manner, the top of the lower end of the connecting ring 34 is connected with a buffer spring 37, the upper end of the buffer spring 37 is connected with an adjusting rod 36, the upper end of the adjusting rod 36 is connected with an adjusting assembly 35, and the adjusting assembly 35 is arranged on the side of the receiving assembly 31; due to the arrangement of the buffer cloth bag 33, the lower end of the buffer cloth bag 33 can change direction under the cooperation of the connecting ring 34 and the buffer spring 37, so that the fertilizer falling rapidly in the buffer cloth bag 33 can be effectively slowed down, that is, the impact force of the fertilizer flowing out of the buffer cloth bag 33 and falling on the screening frame 1 can be reduced, thereby reducing the probability of fertilizer crushing and improving the quality of the processed fertilizer; due to the arrangement of the buffer spring 37, the buffer effect provided for the fertilizer can be further improved while changing the direction of the buffer cloth bag 33, thereby effectively reducing the falling speed of the waste materials of different weights on the screening frame 1, and effectively reducing the crushing rate.

[0026] As shown in Figure 1 , the front and rear sides of the upper hopper 2 are fixedly connected with supports 4, the two ends of the receiving assembly 31 are fixedly connected to the front and rear supports 4, and the lower ends of the supports 4 are fixedly connected to the top of the screening frame 1.

[0027] As shown in Figure 3 , the receiving assembly 31 comprises a receiving box 311 fixedly connected between the two supports 4, the top of the receiving box 311 is provided with a receiving groove 312, the bottom of the receiving box 311 is provided with a plurality of discharge ports 313 located at the bottom of the receiving groove 312, and the plurality of discharge ports 313 correspond one-to-one to the dispersion hoppers 32 and are in communication with each other.

[0028] As shown in Figure 3 and Figure 5 , the inside of the receiving groove 312 is fixedly provided with a dispersion filter plate 314 located above the plurality of discharge ports 313, the outer surface of the dispersion filter plate 314 is a smooth arc, and the middle part of the dispersion filter plate 314 is located above the horizontal plane at the two ends thereof; the fertilizer falling in the upper hopper 2 can be dispersedly introduced into the inside of the plurality of discharge ports 313 through the connecting ring 34, so as to avoid the accumulation at the middle discharge port 313 and even cause blockage.

[0029] As shown in Figure 3 , the adjusting assembly 35 comprises a limiting sliding groove 351 provided on the side of the receiving box 311, and the limiting sliding groove 351 is slidably connected with a linkage sliding block 352.

[0030] As Figure 3 and Figure 4 The outer surface of the linkage slider 352 and the top of the receiving box 311 are fixedly connected with a connecting sleeve 353, the inside of the connecting sleeve 353 is provided with an adjusting screw rod 354, the adjusting screw rod 354 is threadedly sleeved in the inside of the lower end connecting sleeve 353, the adjusting screw rod 354 is movably sleeved in the inside of the upper end connecting sleeve 353, the upper end of the adjusting screw rod 354 penetrates through the connecting sleeve 353 and extends to the top of the receiving box 311 and is fixedly connected with an adjusting knob 355, due to the arrangement of the adjusting assembly 35, the angle of the lower end of the plurality of buffer cloth bags 33 can be conveniently changed by the adjusting rod 36 and the adjusting rod 36, so as to be suitable for providing good buffering effect for fertilizers with different weights.

[0031] As Figure 3 and Figure 4 The upper end of the adjusting rod 36 is hingedly connected to the linkage slider 352, the lower end of the adjusting rod 36 is movably connected to the connecting ring 34, and the adjusting rod 36 is a threaded telescopic sleeve rod, and the angle of the lower end of any buffer cloth bag 33 can be individually adjusted by the adjusting rod 36 to adapt to the situation that the fertilizer in the two end leakage holes 313 is less than the fertilizer in the middle leakage hole 313.

[0032] The working principle and use process of the utility model are as follows:

[0033] The fertilizer to be screened is poured into the feeding hopper 2, and under the action of gravity, it falls into the receiving groove 312 through the feeding hopper 2, and under the action of the dispersion filter plate 314, it is dispersedly falls into the plurality of leakage holes 313, and finally under the action of gravity, it enters the buffer cloth bag 33 through the respective corresponding dispersion hopper 32;

[0034] The fertilizer entering the buffer cloth bag 33 can effectively reduce the falling speed of the fertilizer under the action of the friction force between the fertilizer and the buffer cloth bag 33 and the blocking action of the buffer cloth bag 33 itself, and when the fertilizer flows out from the connecting ring 34, it can relatively slowly fall onto the screening frame 1;

[0035] Due to the influence of different components and processing amounts, the amount of fertilizer entering the buffer cloth bag 33 per unit time is different, so under the action of gravity and inertia, the lower end of the buffer cloth bag 33 is pushed and the buffer spring 37 is pulled to increase the elastic recovery performance, thereby further increasing the buffering strength, and the height of the connecting ring 34 can be adjusted by the adjusting assembly 35 and the adjusting rod 36, so as to provide suitable buffering effect for the fertilizer with different gravity through the buffer cloth bag 33.

[0036] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0037] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A screening device for compound fertilizer production, comprising a screening frame (1) and a feeding hopper (2), characterized in that: The feeding hopper (2) is located above the screening frame (1), and a buffer assembly (3) is provided between the feeding hopper (2) and the screening frame (1). The feeding hopper (2) is located directly above the buffer assembly (3). The buffer assembly (3) includes a receiving assembly (31) disposed between the screening frame (1) and the feeding hopper (2). The bottom of the receiving assembly (31) is fixedly connected to a plurality of dispersing hoppers (32). The bottom of the dispersing hoppers (32) is fixedly connected to a buffer bag (33). The lower end of the buffer bag (33) is fixedly connected to a connecting ring (34). The lower end of the connecting ring (34) is inclined. The top of the lower end of the connecting ring (34) is connected to a buffer spring (37). The upper end of the buffer spring (37) is connected to an adjusting rod (36). The upper end of the adjusting rod (36) is connected to an adjusting assembly (35). The adjusting assembly (35) is disposed on the side of the receiving assembly (31).

2. The screening device for compound fertilizer production according to claim 1, characterized in that: The front and rear sides of the feeding hopper (2) are fixedly connected to the brackets (4), and the two ends of the receiving assembly (31) are fixedly connected to the front and rear brackets (4). The lower end of the brackets (4) is fixedly connected to the top of the screening frame (1).

3. A screening device for compound fertilizer production according to claim 2, characterized in that: The receiving assembly (31) includes a receiving box (311) fixedly connected between two supports (4). The top of the receiving box (311) is provided with a receiving groove (312), and the bottom of the receiving box (311) is provided with a plurality of material leakage ports (313) located at the bottom of the receiving groove (312). The plurality of material leakage ports (313) correspond one-to-one with the dispersing hopper (32) and are interconnected.

4. A screening device for compound fertilizer production according to claim 3, characterized in that: The receiving trough (312) is fixedly installed with a dispersion filter plate (314) located above a plurality of discharge ports (313). The outer surface of the dispersion filter plate (314) is a smooth arc shape, and the horizontal plane at the middle of the dispersion filter plate (314) is located above the horizontal planes at both ends.

5. A screening device for compound fertilizer production according to claim 3, characterized in that: The adjustment component (35) includes a limiting slide groove (351) opened on the side of the receiving box (311), and a linkage slider (352) is slidably engaged inside the limiting slide groove (351).

6. A screening device for compound fertilizer production according to claim 5, characterized in that: A connecting sleeve (353) is fixedly connected to the outer surface of the linkage slider (352) and the top of the receiving box (311). An adjusting screw (354) is inserted inside the connecting sleeve (353). The adjusting screw (354) is threaded into the lower connecting sleeve (353) and movably connected to the upper connecting sleeve (353). The upper end of the adjusting screw (354) passes through the connecting sleeve (353) and extends to the top of the receiving box (311) and is fixedly connected to an adjusting knob (355).

7. A screening device for compound fertilizer production according to claim 5, characterized in that: The upper end of the adjusting rod (36) is hinged to the linkage slider (352), and the lower end of the adjusting rod (36) is movably connected to the connecting ring (34). The adjusting rod (36) is a threaded telescopic sleeve rod.