Fertilizer screening machine

Abstract

The utility model discloses a fertilizer screening machine which comprises a shell, a feeding port is fixedly connected to one side of the shell, a coarse fertilizer outlet is formed in the bottom of the shell, a supporting rod is fixedly connected to the bottom of the shell, a base is fixedly connected to the bottom of the supporting rod, and a screening device is arranged in the shell. And the screening device comprises a supporting rod, a motor is fixedly connected to the bottom of the supporting rod, a first rotating frame is fixedly connected to the outer surface of an output shaft of the motor, and a first stirring rod is fixedly connected to the inner wall of the first rotating frame. Through the arrangement of the screening device, the supporting rod, the motor, the first rotating frame, the first stirring rod, a medium-sized screen, a second rotating frame, a second rotating rod, a small-sized screen, a small-sized fertilizer outlet, a first valve and a medium-sized fertilizer outlet, various screening meshes of the device are increased, the screening device does not need to be replaced many times, and the screening efficiency is improved.

Description

Technical Field

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

[0002] After the compost raw materials are composted and fermented, most of the powdered fertilizers need to be post-processed before they can be applied to farmland as fertilizer or sold as commodities. Common composting post-processing processes include crushing, screening, granulation, drying and packaging. In the post-processing process, the purpose of the screening operation is to remove impurities and larger block materials in the material to obtain materials with a particle size suitable for subsequent processing steps. In addition, since the composting process of the material usually requires the addition of fillers to promote the smooth progress of the composting, by screening the composted material, the filler can be effectively recovered for recycling.

[0003] According to a publicly disclosed fertilizer screening machine, it includes a base, a screening device installed on the base and a casing sleeved on the outside of the screening device, the casing includes a front section, a rear section and a screen cylinder connected between the front and rear sections of the casing, the front section of the casing is placed on the casing seat, the rear section of the casing is rotatably connected to the casing, the driving device includes a motor, a reducer connected to the motor and a sprocket installed on the reducer, the surface of the front section of the casing is sleeved with a circle of chain meshing with the sprocket, and the chain is fixedly connected to the surface of the casing (publication number: CN210253026U). In the above application, the fertilizer screening machine can only screen the fertilizer more finely through the setting of the screening device, and may be difficult to adapt to the situation where fertilizers of different coarseness and fineness are required in different situations. It may be necessary to purchase multiple screening machines, increasing the working cost. Utility Model Content

[0004] In view of the shortcomings of the prior art, the utility model provides a fertilizer screening machine, which solves the problems raised in the above background technology. To achieve the above purpose, the utility model is implemented through the following technical solutions: a fertilizer screening machine, including a shell, a feed inlet is fixedly connected to one side of the shell, a coarse fertilizer outlet is opened at the bottom of the shell, a support rod is fixedly connected to the bottom of the shell, a base is fixedly connected to the bottom of the support rod, and a screening device is arranged inside the shell;

[0005] The screening device includes a second support rod, a motor is fixedly connected to the bottom of the second support rod, a first rotating frame is fixedly connected to the outer surface of the output shaft of the motor, a first stirring rod is fixedly connected to the inner wall of the first rotating frame, a medium-sized screen is penetrated and rotatably connected to the output shaft of the motor, a second rotating frame is fixedly connected to the outer surface of the output shaft of the motor, a second stirring rod is fixedly connected to the inner wall of the second rotating frame, a small-sized screen is penetrated and rotatably connected to the output shaft of the motor, a small-sized fertilizer outlet is opened on the other side of the shell, a medium-sized fertilizer outlet is opened on the other side of the shell, and a first valve is fixedly connected to the outer surface of the medium-sized fertilizer outlet.

[0006] Preferably, the second support rod is fixedly connected to the inner wall of the housing, and the end of the medium-sized screen away from the motor output shaft is fixedly connected to the end of the housing away from the feed inlet. The housing provides support for the medium-sized screen.

[0007] Preferably, the end of the small screen away from the motor output shaft is fixedly connected to the end of the shell away from the feed inlet. The shell provides support for the small screen, and the small fertilizer outlet is correspondingly arranged on the outer surface of the shell.

[0008] Preferably, a material receiving box fixing device is provided at the bottom of the housing, the material receiving box fixing device includes a material receiving box, a fixing groove is provided on the outer surface of the material receiving box, a second valve is fixed on the outer surface of the crude fertilizer outlet, a support rod is fixedly connected to the outer surface of the crude fertilizer outlet, a rotating shaft is rotatably connected to the outer surface of the support rod, and a locking block is hingedly connected to the top of the rotating shaft. The material receiving box fixing device is provided to prevent the material receiving box from moving.

[0009] Preferably, the support rod is smaller than the fixing groove, there are two locking blocks, and the length of the two locking blocks is greater than the diameter of the fixing groove. The locking block opens around the rotating shaft to clamp the fixing groove to prevent the receiving box from moving.

[0010] Preferably, the upper half of the medium-sized screen is a screen, and the lower half is a complete integrated type, and the upper half of the small-sized screen is a screen, and the lower half is a complete integrated type.

[0011] The utility model provides a fertilizer screening machine, which has the following beneficial effects:

[0012] (1) The fertilizer screening machine, through the arrangement of the screening device, the second support rod, the motor, the first rotating frame, the first stirring rod, the medium-sized screen, the second rotating frame, the second rotating rod, the small screen, the small fertilizer outlet, the first valve and the medium-sized fertilizer outlet, enables the device to increase multiple screening meshes, without the need to replace the screening device multiple times, thereby increasing the screening efficiency.

[0013] (2) The fertilizer screening machine, through the arrangement of the receiving box fixing device, the coarse fertilizer outlet, the second valve, the receiving box, the fixing groove, the support rod, the rotating shaft and the locking block, enables the device to stabilize the connection between the receiving box and the discharge port during the discharge process, thereby reducing the waste of fertilizer. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the three-dimensional appearance structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the cross-sectional structure of the fertilizer screening machine of the utility model;

[0016] Figure 3 This is a partial structural diagram of the fertilizer screening device of the utility model;

[0017] Figure 4 It is a partial structural schematic diagram of the discharge port fixing device of the utility model.

[0018] In the figure: 1. shell; 2. feed inlet; 3. base; 4. first support rod; 5. screening device; 51. second support rod; 52. motor; 53. first rotating frame; 54. first stirring rod; 55. medium-sized screen; 56. second rotating frame; 57. second stirring rod; 58. small screen; 59. small fertilizer outlet; 510. first valve; 511. medium-sized fertilizer outlet; 6. material receiving box fixing device; 61. coarse fertilizer outlet; 62. second valve; 63. material receiving box; 64. fixing groove; 65. support rod; 66. rotating shaft; 67. locking block. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] Embodiment 1

[0021] See also Figure 1-3 A fertilizer screening machine comprises a shell 1, a feeding port 2 is fixedly connected to one side of the shell 1, a coarse fertilizer outlet 61 is provided at the bottom of the shell 1, a first support rod 4 is fixedly connected to the bottom of the shell 1, a base 3 is fixedly connected to the bottom of the first support rod 4, and a screening device 5 is arranged inside the shell 1;

[0022] The screening device 5 includes a second support rod 51, which is fixedly connected to the inner wall of the shell 1, and a motor 52 is fixedly connected to the bottom of the second support rod 51. The outer surface of the output shaft of the motor 52 is fixedly connected to a first rotating frame 53, and the inner wall of the first rotating frame 53 is fixedly connected to a first stirring rod 54. The output shaft of the motor 52 passes through and is rotatably connected to a medium-sized screen 55. The end of the medium-sized screen 55 away from the output shaft of the motor 52 is fixedly connected to the end of the shell 1 away from the feed port 2. The shell 1 provides support for the medium-sized screen 55. The upper half of the medium-sized screen 55 is a screen, and the lower half is a complete integrated type to prevent fertilizer from entering the medium-sized screen 55 and falling back into the shell 1 for repeated screening. A rotating frame 56, an inner wall of the second rotating frame 56 is fixedly connected with a second stirring rod 57, an output shaft of the motor 52 passes through and is rotatably connected with a small screen 58, an end of the small screen 58 away from the output shaft of the motor 52 is fixedly connected to an end of the shell 1 away from the feed port 2, the upper half of the small screen 58 is a screen, and the lower half is a complete integrated type, a small fertilizer outlet 59 is provided on the other side of the shell 1, the shell 1 provides support for the small screen 58, and the small fertilizer outlet 59 is correspondingly arranged on the outer surface of the shell 1, a medium-sized fertilizer outlet 511 is provided on the other side of the shell 1, and the medium-sized fertilizer outlet 59 corresponds to the medium-sized screen 55 arranged on the outer surface of the shell 1, and the outer surface of the medium fertilizer outlet 511 is fixedly connected with a first valve 510.

[0023] When in use, the fertilizer is poured into the shell 1 through the feed port 2, and the motor 52 is turned on. The motor 52 rotates to drive the first rotating frame 53 to rotate, and the first rotating frame 53 rotates to drive the first stirring rod 54 to move. The fertilizer is lifted up by the first rotating frame 53 in the shell 1, and the first stirring rod 54 increases the stirring amplitude. The fertilizer passes through the sieve holes of the medium-sized sieve 55 and falls into the medium-sized sieve 55. The motor 52 rotates to drive the second rotating frame 56 to rotate, and the second rotating frame 56 rotates to drive the second stirring rod 57 to move. The second rotating frame 56 and the second stirring rod 57 move, driving the fertilizer fallen into the medium-sized sieve 55 to rotate, and the fertilizer passes through the sieve holes of the small sieve 58 and falls into the small sieve 58 during the rotation.

[0024] Embodiment 2

[0025] See also Figure 1-4On the basis of the first embodiment, a material receiving box fixing device 6 is provided at the bottom of the shell 1, and the material receiving box fixing device 6 includes a material receiving box 63, and a fixing groove 64 is provided on the outer surface of the material receiving box 63. A second valve 62 is fixed to the outer surface of the crude fertilizer outlet 61, and a support rod 65 is fixedly connected to the outer surface of the crude fertilizer outlet 61. The size of the support rod 65 is smaller than the fixing groove 64, and the support rod 65 can be inserted into the fixing groove 64. The outer surface of the support rod 65 is rotatably connected with a rotating shaft 66, and the top of the rotating shaft 66 is hingedly connected with a locking block 67. The setting of the material receiving box fixing device 6 prevents the material receiving box 63 from moving. There are two locking blocks 67, and the length of the two locking blocks 67 is greater than the diameter of the fixing groove 64. The locking block 67 is opened around the rotating shaft 66 to clamp the fixing groove 64.

[0026] When in use, on the basis of Example 1, after the fertilizer screening is completed, the receiving box 63 is placed under the coarse fertilizer outlet 61, the fixed groove 64 is aligned with the support rod 65, the receiving box 63 is pushed to make the support rod 65 insert into the fixed groove 64, the locking block 67 is bendable, and the locking block 67 is rotated and opened with the rotating shaft 66 as the center axis, the locking block 67 is stuck in the fixed groove 64, the second valve 62 is opened, and the coarse granular fertilizer falls into the receiving box 63 through the coarse fertilizer outlet 61.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A fertilizer screening machine, comprising a housing (1), characterized in that: A feed inlet (2) is fixedly connected to one side of the shell (1), a coarse fertilizer outlet (61) is provided at the bottom of the shell (1), a first support rod (4) is fixedly connected to the bottom of the shell (1), a base (3) is fixedly connected to the bottom of the first support rod (4), and a screening device (5) is provided inside the shell (1); The screening device (5) comprises a second support rod (51), the bottom of the second support rod (51) is fixedly connected to a motor (52), the outer surface of the output shaft of the motor (52) is fixedly connected to a first rotating frame (53), the inner wall of the first rotating frame (53) is fixedly connected to a first stirring rod (54), the output shaft of the motor (52) penetrates and is rotatably connected to a medium-sized screen (55), the outer surface of the output shaft of the motor (52) is fixedly connected to a second rotating frame (56), the inner wall of the second rotating frame (56) is fixedly connected to a second stirring rod (57), the output shaft of the motor (52) penetrates and is rotatably connected to a small-sized screen (58), the other side of the housing (1) is provided with a small-sized fertilizer outlet (59), the other side of the housing (1) is provided with a medium-sized fertilizer outlet (511), the outer surface of the medium-sized fertilizer outlet (511) is fixedly connected to a first valve (510).

2. A fertilizer screening machine according to claim 1, characterized in that: The second support rod (51) is fixedly connected to the inner wall of the outer shell (1), and the end of the medium-sized screen (55) away from the output shaft of the motor (52) is fixedly connected to the end of the outer shell (1) away from the feed port (2).

3. A fertilizer screening machine according to claim 1, characterized in that: One end of the small screen (58) away from the output shaft of the motor (52) is fixedly connected to one end of the housing (1) away from the feed port (2).

4. A fertilizer screening machine according to claim 1, characterized in that: A material receiving box fixing device (6) is provided at the bottom of the housing (1), and the material receiving box fixing device (6) comprises a material receiving box (63). A fixing groove (64) is provided on the outer surface of the material receiving box (63). A second valve (62) is fixed on the outer surface of the crude fertilizer outlet (61). A support rod (65) is fixedly connected to the outer surface of the crude fertilizer outlet (61). A rotating shaft (66) is rotatably connected to the outer surface of the support rod (65), and a locking block (67) is hingedly connected to the top of the rotating shaft (66).

5. A fertilizer screening machine according to claim 4, characterized in that: The size of the support rod (65) is smaller than the fixing groove (64), there are two locking blocks (67), and the total length of the two locking blocks (67) is greater than the diameter of the fixing groove (64).

6. A fertilizer screening machine according to claim 1, characterized in that: The upper part of the medium-sized screen (55) is a screen, and the lower part is a complete integrated type. The upper part of the small-sized screen (58) is a screen, and the lower part is a complete integrated type.

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