Chemical fertilizer particle screening device

Abstract

The utility model relates to the technical field of chemical fertilizer screening, and discloses a chemical fertilizer particle screening device which comprises a screening box and a screening plate, one side of the screening box is fixedly connected with a servo motor through bolts, a motor shaft of the servo motor is fixedly connected with a threaded rod, and the threaded rod is rotationally connected with the inner walls of the two sides of the screening box through bearings. Chemical fertilizer particles in the screening box can be screened through the horizontal screening plate, a servo motor is controlled to work, and through combination of a threaded rod, a push plate and a threaded groove, a shifting rod can be driven to reciprocate left and right on the upper surface of the screening plate and turn over the chemical fertilizer particles on the upper surface of the screening plate, so that the chemical fertilizer particles are prevented from being stacked on the upper surface of the screening plate; and an electric-hydraulic push rod is controlled to work, one end of the screening plate can be driven to rotate and incline downwards, and large-size chemical fertilizer particles screened out from the upper surface of the screening plate are conveniently collected through a first collecting opening.

Description

Technical Field

[0001] The utility model relates to the technical field of fertilizer screening, in particular to a fertilizer particle screening device. Background Art

[0002] Fertilizers of different particle sizes are suitable for different fertilization environments. Fertilizers with larger particles dissolve more slowly and have a longer fertility effect. Fertilizer production usually requires screening.

[0003] After searching, the publication number is CN219785574U, which discloses a fertilizer particle screening device, including a box body, characterized in that: a plurality of shock-absorbing components are arranged at the bottom of the box body, the shock-absorbing components include a support column fixedly connected to the box body, a fixed sleeve is sleeved on the outer side of the lower part of the support column, a fixed plate is arranged at the bottom of the fixed sleeve, the support column and the fixed sleeve are connected by a damping rod and a shock-absorbing spring, and a feed port is connected to the top of the box body.

[0004] In the process of realizing the utility model, the inventors found that at least the following problems in the prior art have not been solved: the fertilizer particles are screened by combining structures such as a driving motor, a rotating rod, a stirring rod, a screening plate and a vibration motor. However, during the operation, the screening plate is inclined, and the fertilizer particles are piled on the inclined end of the screening plate under the action of gravity. Although a stirring and vibration device is provided, it still affects the screening efficiency of the fertilizer particles.

[0005] Therefore, we propose a fertilizer particle screening device that can solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a fertilizer particle screening device, which solves the problems raised in the background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fertilizer particle screening device, comprising a screening box and a screen plate, one side of the screening box is fixedly connected to a servo motor by bolts, the motor shaft of the servo motor is fixedly connected to a threaded rod, the threaded rod is rotatably connected to the inner walls on both sides of the screening box through bearings, the inside of the screening box is slidably connected to a push plate, the bottom side of the push plate is fixedly connected to a lever, a threaded groove is horizontally penetrated through the middle part below the push plate, the threaded rod is threadedly connected to the threaded groove, one end of the screen plate is rotatably connected to the inner wall of one side of the screening box through a rotating shaft, a first collecting port is penetrated through the lower part of the inner wall on the other side of the screening box, and an electro-hydraulic push rod is hinged at the lower part of the other side of the screening box.

[0008] As an optional solution of the technical solution of the present application, the shifting rods are evenly distributed vertically on the bottom side of the push plate, and the shifting rods are placed above the screen plate.

[0009] As an optional solution of the technical solution of the present application, a guide groove is horizontally opened on the front and rear sides above the push plate, and a guide rod is slidably connected to the inner side of the guide groove, and both ends of the guide rod are fixedly connected to the inner walls of both sides of the screening box.

[0010] As an optional solution of the technical solution of the present application, the other end of the sieve plate is movably connected to the first collecting port, and the telescopic end of the electro-hydraulic push rod is hinged to the bottom side of the sieve plate.

[0011] As an optional solution of the technical solution of the present application, a feed funnel is installed through the top inner wall of the screening box, a second collecting port is opened through the bottom end of the inner wall of one side of the screening box, and the bottom inner wall of the screening box forms an angle of 30 degrees with the horizontal direction.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: the fertilizer particles in the screening box can be screened through a horizontal screen plate, and the servo motor can be controlled to work. Through the combination of the threaded rod, the push plate and the threaded groove, the lever can be driven to move back and forth left and right on the upper surface of the screen plate, and the fertilizer particles on the upper surface of the screen plate can be turned over to avoid the fertilizer particles being piled up on the upper surface of the screen plate and affecting the screening efficiency. The electro-hydraulic push rod can be controlled to drive one end of the screen plate to rotate and tilt downward, so that large-sized fertilizer particles screened out on the upper surface of the screen plate can be conveniently collected through the first collecting port. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0014] Figure 1 This is a front view of a fertilizer particle screening device of the utility model;

[0015] Figure 2 The utility model is a side view of a push plate of a fertilizer particle screening device.

[0016] In the figure: screening box 1, sieve plate 11, servo motor 12, threaded rod 13, push plate 14, lever 15, threaded groove 16, guide groove 17, guide rod 18, first collecting port 2, electro-hydraulic push rod 21, feed funnel 3, second collecting port 31. DETAILED DESCRIPTION

[0017] See also Figure 1-Figure 2The utility model provides a technical solution: a fertilizer particle screening device, comprising a screening box 1 and a screening plate 11, one side of the screening box 1 is fixedly connected with a servo motor 12 by bolts, the motor shaft of the servo motor 12 is fixedly connected with a threaded rod 13, the threaded rod 13 is rotatably connected to the inner walls of both sides of the screening box 1 through bearings, the inside of the screening box 1 is slidably connected with a push plate 14, the bottom side of the push plate 14 is fixedly connected with a lever 15, the lever 15 is vertically and evenly distributed on the bottom side of the push plate 14, and the lever 15 is placed above the screening plate 11, a threaded groove 16 is horizontally penetrated through the middle part below the push plate 14, the threaded rod 13 is threadedly connected with the threaded groove 16, a guide groove 17 is horizontally penetrated through the front and rear sides above the push plate 14, a guide rod 18 is slidably connected to the inner side of the guide groove 17, both ends of the guide rod 18 are fixedly connected to the inner walls of both sides of the screening box 1, and one end of the sieve plate 11 is rotatably connected to the inner wall of one side of the screening box 1 through a rotating shaft.

[0018] In this technical solution, the fertilizer particles in the screening box 1 can be screened through the horizontal screen plate 11, and the servo motor 12 is controlled to work, which can drive the threaded rod 13 to rotate. The threaded rod 13 is threadedly connected to the threaded groove 16, and the guide rod 18 is slidably connected to the guide groove 17. During the rotation of the threaded rod 13, the push plate 14 can be driven to move left and right in the screening box 1, thereby driving the lever 15 to move back and forth left and right on the upper surface of the screen plate 11, and turning over the fertilizer particles on the upper surface of the screen plate 11, so as to prevent the fertilizer particles from piling up on the upper surface of the screen plate 11 and affecting the screening efficiency.

[0019] In this embodiment, a first collecting port 2 is opened through the lower part of the inner wall on the other side of the screening box 1, and the other end of the screen plate 11 is movably connected to the first collecting port 2. An electro-hydraulic push rod 21 is hinged at the lower part of the other side of the screening box 1, and the telescopic end of the electro-hydraulic push rod 21 is hinged to the bottom side of the screen plate 11.

[0020] In this technical solution, the electro-hydraulic push rod 21 is controlled to work, which can drive one end of the sieve plate 11 to rotate and tilt downward, open the first collecting port 2, and facilitate the collection of large-sized fertilizer particles screened out from the upper surface of the sieve plate 11.

[0021] In this embodiment, a feed funnel 3 is installed through the top inner wall of the screening box 1, a second collecting port 31 is opened through the bottom end of the inner wall of one side of the screening box 1, and the bottom inner wall of the screening box 1 forms an angle of 30 degrees with the horizontal direction.

[0022] In this technical solution, the fertilizer particles are conveniently introduced into the screening box 1 through the feed funnel 3 and fall on the upper surface of the sieve plate 11. The fertilizer particles screened by the sieve plate 11 are automatically discharged from the screening box 1 through the second collecting port 31, which is convenient for the staff to collect.

[0023] When a fertilizer particle screening device is used, the fertilizer particles are conveniently introduced into the screening box 1 through the feed funnel 3 and fall on the upper surface of the sieve plate 11. The fertilizer particles in the screening box 1 can be screened through the horizontal sieve plate 11. The servo motor 12 is controlled to work, which can drive the threaded rod 13 to rotate. The threaded rod 13 is threadedly connected with the thread groove 16, and the guide rod 18 is slidably connected with the guide groove 17. During the rotation of the threaded rod 13, the push plate 14 can be driven to move left and right in the screening box 1, thereby driving the lever 15 to move back and forth left and right on the upper surface of the sieve plate 11, and turning over the fertilizer particles on the upper surface of the sieve plate 11 to avoid the fertilizer particles being piled on the upper surface of the sieve plate 11 to affect the screening efficiency. The fertilizer particles screened by the sieve plate 11 are automatically discharged from the screening box 1 through the second collecting port 31. The electro-hydraulic push rod 21 is controlled to work, which can drive one end of the sieve plate 11 to rotate and tilt downward, open the first collecting port 2, and conveniently collect the large-sized fertilizer particles screened out from the upper surface of the sieve plate 11.

Claims

1. A fertilizer particle screening device, characterized in that: The invention comprises a screening box (1) and a screening plate (11), one side of the screening box (1) is fixedly connected to a servo motor (12) by bolts, the motor shaft of the servo motor (12) is fixedly connected to a threaded rod (13), the threaded rod (13) is rotatably connected to the inner walls on both sides of the screening box (1) by bearings, the inside of the screening box (1) is slidably connected to a push plate (14), the bottom side of the push plate (14) is fixedly connected to a lever (15), a threaded groove (16) is horizontally penetrated through the middle part below the push plate (14), the threaded rod (13) is threadedly connected to the threaded groove (16), one end of the screening plate (11) is rotatably connected to the inner wall of one side of the screening box (1) by a rotating shaft, a first collecting port (2) is penetrated through the lower part of the inner wall on the other side of the screening box (1), and an electro-hydraulic push rod (21) is hingedly connected to the lower part of the other side of the screening box (1).

2. A fertilizer particle screening device according to claim 1, characterized in that: The shifting rods (15) are evenly distributed vertically on the bottom side of the push plate (14), and the shifting rods (15) are placed above the screen plate (11).

3. A fertilizer particle screening device according to claim 1, characterized in that: A guide groove (17) is horizontally provided on the front and rear sides above the push plate (14), and a guide rod (18) is slidably connected to the inner side of the guide groove (17). The two ends of the guide rod (18) are fixedly connected to the inner walls of the screening box (1) on both sides.

4. A fertilizer particle screening device according to claim 1, characterized in that: The other end of the sieve plate (11) is movably connected to the first collecting port (2), and the telescopic end of the electro-hydraulic push rod (21) is hinged to the bottom side of the sieve plate (11).

5. A fertilizer particle screening device according to claim 1, characterized in that: A feeding funnel (3) is installed through the top inner wall of the screening box (1), a second collecting port (31) is opened through the bottom end of the inner wall of one side of the screening box (1), and the bottom inner wall of the screening box (1) forms an angle of 30 degrees with the horizontal direction.

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