Continuous screening device for fertilizer

Abstract

The utility model provides a continuous fertilizer screening device, which relates to the technical field of fertilizer screening devices and comprises a screening drum, the screening drum is fixedly and horizontally arranged, an arc-shaped screening plate is obliquely arranged in the screening drum, a plurality of screening holes are uniformly formed in the arc-shaped screening plate, and the concave surface of the arc-shaped screening plate faces inwards and is elastically arranged on the inner wall of the lower side of the screening drum. A material shaking mechanism is fixedly arranged on one side of the arc-shaped sieve plate and is used for driving the arc-shaped sieve plate to vibrate, a dust collecting mechanism is fixedly arranged at the bottom of the screen drum, and the dust collecting mechanism comprises a dust removing fan and is located below the arc-shaped sieve plate; by obliquely arranging the arc-shaped sieve plate and arranging the material shaking mechanism on the arc-shaped sieve plate, impurities and bad particles can fall off from sieve holes and are collected by the dust collecting mechanism, large-particle fertilizer moves downwards along the arc-shaped sieve plate and falls out from the discharge port, screening is completed, continuous feeding and screening can be conducted through the arc-shaped sieve plate, and the production efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to fertilizer screening device technical field especially relates to a fertilizer continuous screening device. BACKGROUND

[0002] Fertilizer plays an important role in agricultural production, reasonable application of fertilizer can effectively supplement the nutrients such as nitrogen, phosphorus, potassium and other key elements in soil absorbed and consumed by crops, greatly improve the yield of crops, meet the food demand of human survival and development, at the same time, fertilizer can also improve the quality of agricultural products, make fruits and vegetables more delicious, grains more full, fertilizer is also crucial to improve soil structure and enhance the soil water and fertilizer conservation capacity, which helps to maintain soil ecological balance, and in the production process of fertilizer, a plurality of different solid raw materials and fertilizer additives need to be crushed and mixed, there are a large amount of powdery particles and impurities in the mixed raw materials, these particles and impurities can easily affect the quality of fertilizer in subsequent production, so the mixed raw materials need to be screened to remove impurities and undesirable particles, and the existing vibrating screen can easily cause raw material powder to fly in the screening process, which not only pollutes the production environment, but also easily causes waste of raw material resources.

[0003] The Chinese utility model patent with the authorization announcement number CN218610778U proposes a kind of new fertilizer solid raw material screening device of dust prevention, it includes screening pedestal, dust suppression screening cabin is fixedly installed on the top of screening pedestal, dust suppression screening cabin left side wall is installed with feeding hopper, dust suppression screening cabin's inner chamber is fixedly installed with high-frequency vibrator below the discharge port of feeding hopper, dust suppression screening cabin right side wall is installed with suction dust filter, the bottom of dust suppression screening cabin inner chamber is detachably installed with receiving box, the above-mentioned scheme, control box and two suction fans are electrically connected, two suction fans are connected with the inner chamber of screening cabin body by electrostatic dust filter air box, and suction air pipe on the side of electrostatic dust filter air box penetrates the right side wall of screening cabin body and is suspended above pull-out screen, when high-frequency vibrator cooperates with two stacked pull-out screen layers of fertilizer processing raw materials, two suction fans cooperate with the electrostatic adsorption filter plate in the inner chamber of electrostatic dust filter air box to suck, filter and concentrate the dust generated by raw material screening.

[0004] But in the above structure, fertilizer raw materials need to be discharged after being screened by pull-out screen, and then the screen can be installed again for re-feeding and screening, which is relatively troublesome, cannot continuously discharge, and has low production efficiency. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies in the prior art, the utility model provides a fertilizer continuous screening device, which solves the problem of low production efficiency and inability to continuously discharge in the prior art.

[0006] According to the embodiment of the utility model, a kind of fertilizer continuous screening device, it includes screen cylinder, the screen cylinder fixedly lies, the screen cylinder is in inclinedly provided with arc screen plate, several screen holes are uniformly provided on the arc screen plate, the concave surface of the arc screen plate is inward and is elastically arranged on the screen cylinder lower side inner wall by elastic element, the screen cylinder is connected with the higher end of the arc screen plate and is provided with feed inlet, the screen cylinder is connected with the lower end of the arc screen plate and is provided with discharge outlet;

[0007] The material shaking mechanism is fixedly arranged on one side of the arc screen plate, and is used for driving the arc screen plate to vibrate.

[0008] The dust collecting mechanism is fixedly arranged at the bottom of the screen cylinder, and the dust collecting mechanism comprises a dust removal fan.

[0009] The technical principle of the utility model is as follows: when used, the material shaking mechanism and the dust collecting mechanism are turned on, and then the mixed raw materials are put into the feed inlet, the raw materials fall on the upper part of the arc screen plate, the large-particle raw materials move downward under the vibration of the material shaking mechanism, impurities and bad particles fall from the screen holes and are collected by the dust collecting mechanism, the large-particle raw materials move downward along the inner wall of the arc screen plate, and finally drop out of the discharge outlet, so that the screening is completed.

[0010] Further, the higher end and the lower end of the arc-shaped plate are fixedly connected with mounting plates, respectively, mounting ears are fixedly connected to the two ends of the two mounting plates, respectively, the elastic element comprises a spring, one end of the spring is fixedly connected with the mounting ear, and the other end of the spring is fixedly connected with the inner wall of the screen cylinder.

[0011] Further, the mounting ear is fixedly connected with a limiting column on one side of the spring, and the limiting column is surrounded by the spring.

[0012] Further, the material shaking mechanism comprises a vibration motor.

[0013] Further, the screen cylinder is cylindrical, a pushing plate is rotatably arranged in the screen cylinder, one end of the pushing plate is fixedly connected with a rotating shaft, the rotating shaft is concentrically arranged with the screen cylinder, the end of the pushing plate, away from the rotating shaft, is separated from the inner wall of the screen cylinder, and the pushing plate can be rotated to abut against or separate from the concave surface of the arc screen plate.

[0014] Further, a plurality of pushing plates are provided, the plurality of pushing plates are fixedly connected around the rotating shaft, a motor is fixedly connected to one side of the screen cylinder, and the output end of the motor is fixedly connected with the rotating shaft.

[0015] Further, a plurality of bristles are fixedly connected to the end of the pushing plate.

[0016] Further, the material shaking mechanism comprises a convex ball and a rotating disc, the convex ball is fixedly arranged on one side of the concave surface of the arc-shaped sieve plate, the rotating disc is fixedly connected with the side surface of the pushing plate and coaxially arranged with the rotating shaft, and the arc surface of the rotating disc is uniformly and fixedly provided with a plurality of material lifting blocks.

[0017] Further, the dust collecting mechanism comprises a dust collecting cavity, the dust collecting cavity is fixedly arranged at the bottom of the sieve cylinder, and the dust removal fan is fixedly arranged on one side of the dust collecting cavity.

[0018] Further, a slag receiving box is detachably arranged in the dust collecting cavity.

[0019] Compared with the prior art, the utility model has the advantages that: by arranging the arc-shaped sieve plate in an inclined manner and arranging the material shaking mechanism on the arc-shaped sieve plate, the fertilizer falling from the feeding port to the arc-shaped sieve plate can move downward during the vibration process, impurities and bad particles can fall from the sieve holes and be collected by the dust collecting mechanism, and large-particle fertilizer can move downward along the inner wall of the arc-shaped sieve plate and finally fall out of the discharging port, so that the screening is completed, the arc-shaped sieve plate can continuously screen the material entering the sieve cylinder, and the production efficiency is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a whole structure schematic view of the utility model embodiment.

[0021] Figure 2 It is a whole structure schematic view of the utility model embodiment.

[0022] Figure 3 It is Figure 2 It is a structure enlarged schematic view of A in the middle.

[0023] Figure 4 It is a pushing plate and rotating disc assembly schematic view of the utility model embodiment.

[0024] Figure 5 It is an arc-shaped sieve plate structure schematic view of the utility model embodiment

[0025] In the above drawings: 1, sieve cylinder; 11, feeding port; 12, discharging port; 13, supporting leg; 2, arc-shaped sieve plate; 21, sieve hole; 22, mounting plate; 23, mounting lug; 24, spring; 25, limiting column; 26, convex ball; 3, pushing plate; 31, motor; 32, brush; 33, rotating shaft; 4, rotating disc; 41, material lifting block; 5, dust collecting cavity; 51, dust removal fan; 52, slag receiving box; 6, vibration motor. DETAILED DESCRIPTION

[0026] Embodiment 1:

[0027] AsFigure 1 , Figure 2 and Figure 4 As shown in the figure, this embodiment proposes a continuous fertilizer screening device, including a screen cylinder 1, which is cylindrical and fixed horizontally. A support leg 13 is provided at the bottom of the screen cylinder 1 for horizontal fixation. The screen cylinder 1 is hollow, and an arc-shaped screen plate 2 is inclinedly arranged inside the screen cylinder 1. A plurality of screen holes 21 are evenly arranged on the arc-shaped screen plate 2. The concave surface of the arc-shaped screen plate 2 faces inward, and preferably its arc surface is coaxial with the screen cylinder 1. The arc-shaped screen plate 2 is elastically disposed on the lower inner wall of the screen cylinder 1 by an elastic element, including but not limited to a spring 24, an elastic diaphragm, or an elastic connecting rod. In this embodiment, the elastic element is a spring 24. The arc-shaped plate is horizontally fixedly connected to the end faces of the higher and lower ends of the plate. The two ends of the two mounting plates 22 are fixedly connected to the mounting ears 23. One end of the spring 24 is fixedly connected to the mounting ear 23, and the other end of the spring 24 is fixedly connected to the inner wall of the screen cylinder 1. Furthermore, the mounting ear 23 is fixedly connected to a limiting post 25 on one side of the spring 24. The limiting post 25 is surrounded by the spring 24 to prevent the spring 24 from shifting or deviating when it extends or retracts.

[0028] like Figure 1 and Figure 2 As shown, the screen cylinder 1 is connected to the higher end of the arc-shaped screen plate 2 with a feed inlet 11. The feed inlet 11 extends upward with a horizontal feed surface, and the discharge surface of the feed inlet 11 is arc-shaped to facilitate the entry of fertilizer into the screen cylinder 1. Furthermore, the screen cylinder 1 is connected to the lower end of the arc-shaped screen plate 2 with a discharge outlet 12. The discharge outlet 12 also extends outward with an arc-shaped discharge surface to facilitate the discharge of fertilizer.

[0029] like Figure 1 and Figure 2 As shown, the continuous fertilizer screening device further includes a shaking mechanism, which is fixedly disposed on one side of the arc-shaped screen plate 2 and is used to drive the arc-shaped screen plate 2 to vibrate. The shaking mechanism includes, but is not limited to, a vibration motor 6, a pneumatic vibrator, a hydraulic vibrator, or an electromagnetic vibrator, etc., which have vibration functions. In this embodiment, the shaking mechanism is a vibration motor 6, which is fixedly disposed on the side of the arc-shaped screen plate 2. The vibration motor 6 and the arc-shaped screen plate 2 cooperate to vibrate and screen the fertilizer raw materials entering the screen cylinder 1.

[0030] like Figure 1 and Figure 2As shown, the fertilizer continuous screening device further comprises a dust collecting mechanism fixedly arranged at the bottom of the screen cylinder 1 for dust collection, the dust collecting mechanism comprises a dust collecting cavity 5 and a dust removal fan 51, the dust collecting cavity 5 is located below the arc-shaped sieve plate 2 for collecting the impurities and the bad particles falling from the arc-shaped sieve plate 2, for the convenience of secondary treatment of the impurities and the bad particles after collection, further, the dust collecting cavity 5 is connected with the outside at the bottom, and a slag receiving box 52 is detachably arranged in the dust collecting cavity 5, the slag receiving box 52 is fixedly connected in the dust collecting cavity 5 through bolts, threads or buckles or other connecting means, and the dust removal fan 51 is fixedly arranged at one side of the dust collecting cavity 5, and the dust removal fan 51 can collect dust and particles.

[0031] The technical principle of the utility model is as follows: in use, the vibration motor 6 and the dust removal fan 51 are started, and then the mixed raw materials are put into the feeding port 11, the raw materials fall on the upper part of the arc-shaped sieve plate 2 along the arc-shaped feeding surface, the large particle raw materials move downwards under the vibration of the vibration motor 6, the impurities and the bad particles fall from the sieve hole 21 and are collected by the slag receiving box 52, the dust and the particles are collected by the dust removal fan 51, the large particle raw materials continue to move downwards along the inner wall of the arc-shaped sieve plate 2, and finally fall out of the discharging port 12, so that the screening is completed.

[0032] The arc-shaped sieve plate 2 is arranged, and the vibration motor 6 is arranged on the arc-shaped sieve plate 2, the vibration motor 6 and the spring 24 cooperate to make the fertilizer falling on the arc-shaped sieve plate 2 continuously move downwards in the vibration process, the impurities and the bad particles fall from the sieve hole 21 and are collected by the slag receiving box 52, the dust and the particles are collected by the dust removal fan 51, the large particle fertilizer continues to move downwards along the inner wall of the arc-shaped sieve plate 2, and finally falls out of the discharging port 12, so that the screening is completed, the arc-shaped sieve plate 2 can continuously screen the materials entering the screen cylinder 1, and the production efficiency is greatly improved.

[0033] Example 2:

[0034] As Figures 2-4As shown in the utility model still provides another implementation, the kind of fertilizer continuous screening device, still bag push mechanism, the push mechanism includes push plate 3, push plate 3 coaxial rotation is arranged in the screen cylinder 1, push plate 3 one end is fixedly connected with rotating shaft 33, rotating shaft 33 is concentric with the screen cylinder 1, and push plate 3 is away from the one end of rotating shaft 33 and the inner wall of screen cylinder 1 is separated, push plate 3 can rotate to the concave surface of arc screen plate 2 is separated or separates, because arc screen plate 2 is provided with spring 24 at bottom, so its inner diameter width is less than the inner wall width of screen cylinder 1, when arc screen plate 2 is in non-vibration state, push plate 3 rotates to the arc screen plate 2 and will be in contact with arc screen plate 2, thereby the material jammed on arc screen plate 2 is cleaned up, when arc screen plate 2 is in vibration state, arc screen plate 2 will move up and down under the action of spring 24, thereby with push plate 3 generates slight collision, utilizes the inertia of collision and can shake out some impurities that cannot be scraped through push plate 3 transversely, in the embodiment, further, push plate 3 is provided with several, and several push plate 3 is fixedly connected around rotating shaft 33, forms fan blade structure, and one side of screen cylinder 1 is fixedly connected with motor 31, and the output end of motor 31 is fixedly connected with rotating shaft 33, to drive push plate 3 rotation, and the tail end of push plate 3 is also fixedly connected with several bristles 32, further increases the cleaning effect of push plate 3.

[0035] Based on the above further improvement, because rotatingly arranged push plate 3 can be in contact with arc screen plate 2, the material jammed on arc screen plate 2 can be scraped transversely when arc screen plate 2 is in non-vibration state, and when arc screen plate 2 is in vibration state, slight collision with push plate 3 can also be generated, and some impurities that cannot be scraped through push plate 3 transversely can be shaken out by utilizing the inertia of collision, avoiding the cumbersome operation of screen cleaning, greatly improving the practicability of the device.

[0036] Embodiment 3:

[0037] As Figures 2-4 shown, the utility model still provides another implementation, and the shaking mechanism includes convex ball 26 and rotating disc 4, convex ball 26 is fixedly arranged in arc screen plate 2 concave side, rotating disc 4 is fixedly connected with push plate 3 side surface, and is coaxially arranged with rotating shaft 33, arc surface of rotating disc 4 is uniformly fixedly provided with several material pushing blocks 41, material pushing block 41 is away from arc screen plate 2, material pushing block 41 is preferably half wheel shape, and material pushing block 41 can be in contact with convex ball 26 or separate when rotating disc 4 rotates.

[0038] Based on the above further improvement, the rotating disc 4 rotates with the pushing plate 3, and the top block 41 intermittently abuts against the convex ball 26 during rotation. Since the convex ball 26 and the edge of the top block 41 both have an arc, when the rotating disc 4 rotates to abut against the convex ball 26, the top block 41 presses the convex ball 26 downward, so that the arc-shaped sieve plate 2 moves downward, and the spring 24 is compressed. When the rotating disc 4 rotates to abut against the convex ball 26, the arc-shaped sieve plate 2 rebounds under the elastic force of the spring 24, so that the effect of up-and-down vibration of the arc-shaped sieve plate 2 is realized by rotating the rotating disc 4. Only one motor 31 is needed to rotate, so that the pushing mechanism and the vibrating mechanism can move simultaneously, and the controllability of the device is greatly increased.

[0039] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced equivalently without departing from the purpose and scope of the present application, and all should be covered in the scope of the claims of the present application.

Claims

1. A fertilizer continuous screening device characterized by, Include: Screen cylinder (1), the screen cylinder (1) is fixed lying, the screen cylinder (1) is inclinedly provided with arc-shaped screen plate (2) inside, the arc-shaped screen plate (2) is uniformly provided with a plurality of screen holes (21), the arc-shaped screen plate (2) concave face is inward and is elastically arranged on the lower side inner wall of the screen cylinder (1) by elastic element, the screen cylinder (1) is communicated with the higher end of the arc-shaped screen plate (2) and is provided with feed inlet (11), the screen cylinder (1) is communicated with the lower end of the arc-shaped screen plate (2) and is provided with discharge outlet (12); The shaking mechanism is fixedly arranged on one side of the arc-shaped screen plate (2), and is used for driving the arc-shaped screen plate (2) to vibrate; The dust collection mechanism is fixedly arranged at the bottom of the screen cylinder (1), and the dust collection mechanism comprises a dust removal fan (51), and the dust removal fan (51) is located below the arc-shaped screen plate (2).

2. A continuous fertilizer screening apparatus as claimed in claim 1 wherein: The higher end and the lower end of the arc-shaped screen plate are respectively fixedly connected with mounting plates (22), the two ends of the two mounting plates (22) are respectively fixedly connected with mounting ears (23), the elastic element comprises a spring (24), one end of the spring (24) is fixedly connected with the mounting ear (23), and the other end of the spring (24) is fixedly connected with the inner wall of the screen cylinder (1).

3. A continuous fertilizer screening apparatus as claimed in claim 2, wherein: The mounting ear (23) is fixedly connected with a limiting column (25) on one side of the spring (24), and the limiting column (25) is surrounded by the spring (24).

4. A fertilizer continuous screening apparatus as claimed in claim 1, wherein: The shaking mechanism comprises a vibration motor (6).

5. A fertilizer continuous screening apparatus as claimed in claim 1, wherein: The screen cylinder (1) is cylindrical, a pushing plate (3) is rotatably arranged in the screen cylinder (1), one end of the pushing plate (3) is fixedly connected with a rotating shaft (33), the rotating shaft (33) is coaxially arranged with the screen cylinder (1), and the end, away from the rotating shaft (33), of the pushing plate (3) is separated from the inner wall of the screen cylinder (1), and the pushing plate (3) can be rotated to abut against or separate from the concave surface of the arc-shaped screen plate (2).

6. A continuous fertilizer screening apparatus as claimed in claim 5 wherein: The pushing plate (3) is provided with a plurality of pushing plates (3), the plurality of pushing plates (3) are fixedly connected around the rotating shaft (33), one side of the screen cylinder (1) is fixedly connected with a motor (31), and the output end of the motor (31) is fixedly connected with the rotating shaft (33).

7. A continuous fertilizer screening apparatus as claimed in claim 6 wherein: The pushing plate (3) is fixedly connected with a plurality of bristles (32) at the end.

8. A continuous fertilizer screening apparatus as claimed in claim 7, wherein: The shaking mechanism comprises a convex ball (26) and a rotating disc (4), the convex ball (26) is fixedly arranged on one side of the concave surface of the arc-shaped screen plate (2), the rotating disc (4) is fixedly connected with the side surface of the pushing plate (3) and is coaxially arranged with the rotating shaft (33), the arc surface of the rotating disc (4) is uniformly fixedly provided with a plurality of material pushing blocks (41), and the material pushing blocks (41) can abut against or separate from the convex ball (26) when the rotating disc (4) rotates.

9. A fertilizer continuous screening apparatus as claimed in claim 1, wherein: The dust collection mechanism comprises a dust collection cavity (5), the dust collection cavity (5) is fixedly arranged at the bottom of the screen cylinder (1), and the dust removal fan (51) is fixedly arranged on one side of the dust collection cavity (5).

10. A continuous fertilizer screening apparatus as claimed in claim 9 wherein: The dust collection cavity (5) is detachably provided with a slag receiving box (52).

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