Granular organic fertilizer granulator

Abstract

The invention relates to the technical field of organic fertilizer granulation cutting, in particular to a granular organic fertilizer granulator which comprises a granulator base, an extrusion disc is fixedly connected to the end of the granulator base, and a spiral cooling disc is fixedly connected to the interior of the extrusion disc; a circulating cooling device; the screening device is used for screening and discharging the organic fertilizer particles; and the cutter disc is driven by the screening device to perform rotary cutting. The organic fertilizer in the extrusion disc is rapidly cooled through cold air circulating in the spiral cooling disc, the overall width of the extrusion disc is increased, the organic fertilizer can be cooled in the extrusion disc in a long way, and then the problem that the soft organic fertilizer deforms in the cutting period due to the fact that the organic fertilizer is not completely cooled and formed is solved; the screening device drives the cutter disc to cut the strip-shaped organic fertilizer while screening and discharging organic fertilizer particles, and the circulating cooling device is controlled to achieve the effect of circulating refrigeration of cold air in the spiral cooling disc.

Description

Technical Field

[0001] The invention relates to the technical field of organic fertilizer granulation and cutting, in particular to a granular organic fertilizer granulator. Background Art

[0002] Bio-organic fertilizer is a kind of fertilizer that has both microbial fertilizer and organic fertilizer effects. After entering the soil, the beneficial microorganisms in the bio-organic fertilizer form a symbiotic proliferation relationship with the microorganisms in the soil, inhibit the growth of harmful bacteria and transform them into beneficial bacteria. They interact and promote each other, playing a synergistic role in the group. Beneficial bacteria produce a large number of metabolites during the growth and reproduction process. It promotes the decomposition and transformation of organic matter, can directly or indirectly provide crops with a variety of nutrients and irritants, and promote and regulate crop growth. The processed organic fertilizer is extruded through the extrusion disk in the granulator. The extruded organic fertilizer is cut into strips by a cutter, and then the organic fertilizer is processed into granules.

[0003] During the granulation of existing organic fertilizers, some organic fertilizers are processed into a viscous state in advance and then extruded onto an extrusion disk through a screw machine. The viscous organic fertilizers are not completely cooled and formed when passing through the mesh. At this time, the cutter cuts the strip-shaped extruded organic fertilizer, which will cause the organic fertilizer particles to be deformed. At the same time, after the cutter at the tail end of the granulator cuts the organic fertilizer into particles, there is a problem of uneven particle size. The existing granulator cannot screen and discharge the cut particles, resulting in problems such as uneven particle quality after the organic fertilizer is granulated. In view of this, we propose a granular organic fertilizer granulator. Summary of the invention

[0004] In view of the shortcomings of the prior art, the present invention provides a granular organic fertilizer granulator, which solves the problems raised in the above background technology. To achieve the above purpose, the present invention is implemented by the following technical scheme: a granular organic fertilizer granulator, including a granulator base, the end of the granulator base is fixedly connected with an extrusion disk, the inside of the extrusion disk is fixedly connected with a spiral cooling disk, the inside of the extrusion disk is provided with a mesh, and the mesh is in the shape of the spiral cooling disk as a trajectory, and the spiral array is distributed on the extrusion disk, the spiral cooling disk is used to cool the organic fertilizer in the mesh, and the spiral cooling disk is provided with a circulating cooling device, and the circulating cooling device is used to circulate and cool the gas in the spiral cooling disk; a screening device, the screening device is arranged at one end of the extrusion disk away from the granulator base, and is used to screen and discharge the organic fertilizer particles; a cutting disc, one end of the cutting disc is rotatably connected to the end of the spiral cooling disc, the other end of the cutting disc is connected to the screening device, and the cutting disc is driven by the screening device to rotate and cut.

[0005] Preferably, the circulating cooling device includes an air outlet seat, the end of the air outlet seat is fixedly connected to the spiral cooling plate, a semiconductor refrigerator is fixedly installed on the air outlet seat, a cooling pipe is installed at the bottom of the semiconductor refrigerator, an insulation pipe is fixedly connected to the bottom of the air outlet seat, and the interior of the air outlet seat is respectively connected to the interior of the spiral cooling plate and the interior of the insulation pipe.

[0006] Preferably, the screening device includes a fixed sleeve, one end of the fixed sleeve is fixedly connected to the end of the extrusion disk, the other end of the fixed sleeve is fixedly connected to a sealing seat, an active motor is installed at the end of the sealing seat, the output shaft of the active motor is clamped with a connecting component, the end of the connecting component is fixedly connected to a connecting shaft, the surface of the connecting shaft is fixedly connected to a feeding spiral blade, the interior of the fixed sleeve is rotatably connected to a filter mesh cylinder, a feeding hopper and a screening hopper are respectively provided at the bottom of the fixed sleeve, and a secondary screening device is provided inside the feeding hopper.

[0007] Preferably, the end of the connecting shaft is fixedly connected to the end of the cutting disc, and the connecting shaft is connected to the interior of the spiral cooling disc through the cutting disc.

[0008] Preferably, the connecting component includes a spiral conveying rod and a pressure-compensating plate, one end of the spiral conveying rod is clamped on the output shaft of the active motor, and the other end of the spiral conveying rod is fixedly connected to the connecting plate, the end of the connecting plate is fixedly connected to the end of the connecting shaft, and the interior of the connecting plate is connected to the interior of the connecting shaft, one side of the pressure-compensating plate is fixedly connected to the inner wall of the sealing seat through a spring, and the inner and outer ring surfaces of the pressure-compensating plate are respectively connected to the inner wall piston of the sealing seat, and the two sides of the connecting plate are respectively rotatably connected at the end of the fixed sleeve and the interior of the sealing seat.

[0009] Preferably, the screening device also includes a connecting gear, the end of which is rotatably connected to the fixed sleeve, the surface of the connecting gear is meshed with a magnetic gear ring, and the surface of the connecting gear is meshed with the surface of the connecting disk, the end of the magnetic gear ring is rotatably connected to the end of the fixed sleeve, and the end of the magnetic gear ring close to the filter mesh cylinder is magnetically connected to the filter mesh cylinder.

[0010] Preferably, the filter screen cylinder is respectively provided with sieve holes and feed holes, the end of the filter screen cylinder and the inside of the magnetic gear ring are provided with a plurality of magnets distributed in a circular array, and the positive and negative poles of the plurality of magnets are distributed in a staggered state, and a cam is fixedly connected to the filter screen cylinder.

[0011] Preferably, the inner wall of the fixed sleeve is elastically connected to a striking bar via a spring, and a guide rod and a protective sleeve are respectively provided between the surface of the striking bar and the fixed sleeve.

[0012] Preferably, the secondary screening device includes a material guide plate and a material guide seat, the two sides of the material guide plate are fixedly connected to the inner wall of the lower hopper through rubber strips, a pressure ball is fixedly connected to the material guide plate, and the bottom of the material guide plate is fixedly connected to the screen plate through a connecting rod.

[0013] Preferably, both sides of the sieve plate are fixedly connected to the inner wall of the lower hopper via rubber strips, and the material guiding seat is fixedly connected to the inside of the lower hopper.

[0014] It can be seen from the above technical solutions that the granular organic fertilizer granulator provided in the embodiment of this specification has at least the following beneficial effects:

[0015] (1) The present invention rapidly cools the organic fertilizer in the extrusion disk by the cold air circulating in the spiral cooling disk. The overall width of the extrusion disk is increased, and the organic fertilizer can be cooled over a long path in the extrusion disk, thereby avoiding the problem that the soft organic fertilizer is deformed during cutting due to the organic fertilizer not being completely cooled and formed. The screening device drives the cutting disk to cut the strip-shaped organic fertilizer while screening the organic fertilizer particles, and controls the circulating cooling device to achieve the effect of circulating the cold air in the spiral cooling disk.

[0016] (2) The present invention drives the connecting component through an active motor to drive the feeding spiral blade on the connecting shaft and the cutting disc to rotate simultaneously. The cutting disc cuts the organic fertilizer during the rotation, and then completes the work of cutting the strip organic fertilizer into granules. The granular organic fertilizer falls into the filter screen cylinder after cutting, and the filter screen cylinder filters the large particles in the particles. During the filtering period, the feeding spiral blade can transport the large particles in the direction of the screening hopper. After the large particles are transported to the screening hopper, they are discharged into the screening hopper for separate discharge, thereby achieving the effect of screening and discharging the granular organic fertilizer after granulation.

[0017] (3) The present invention drives the spiral conveying rod and the connecting disk to rotate through an active motor. When the spiral conveying rod rotates, it conveys the gas in the sealed cavity to the connecting disk. The gas flows into the connecting shaft through the through hole on the connecting disk, and is conveyed to the axis of the spiral cooling disk through the connecting shaft and the cutting disk. Cold air is continuously squeezed in from the axis to squeeze out the original gas in the spiral cooling disk. The squeezed gas is discharged into the insulation pipe through the air outlet seat and is cooled by the cooling pipe. It flows into the sealed cavity through the insulation pipe again and is then conveyed again by the spiral conveying rod. The gas is continuously circulated and cooled, so as to achieve the effect of quickly cooling the organic fertilizer in the extrusion disk on the spiral cooling disk, thereby avoiding the deformation of the soft organic fertilizer during cutting due to the organic fertilizer not being completely cooled and formed.

[0018] (4) The present invention uses a connecting gear that meshes with a connecting disk to drive a magnetic gear ring. When the magnetic gear ring rotates, it uses magnetic force to drive the filter screen cylinder. During the rotation of the filter screen cylinder, an auxiliary screening of internal particles can be achieved. The cam contacts the impact bar as the filter screen cylinder rotates. The cam squeezes and collides the impact bar, causing the impact bar to move. During the movement, the elastic force is combined to achieve impact on the filter screen cylinder. The impact generates vibration, which further promotes the discharge of particles in the filter screen cylinder, thereby avoiding the problem of clogging of the filter screen cylinder.

[0019] (5) The present invention guides small and medium-sized particles to the sieve plate through the guide plate, and the sieve plate filters the small and medium-sized particles again. The small-sized organic fertilizer particles are discharged to the right area of ​​the guide seat through the sieve plate. The guide seat isolates the small particles and discharges the small particles separately from the right area of ​​the guide seat, while the medium-sized particles are discharged to the left area of ​​the guide seat through the guide plate, thereby realizing the separate discharge of three sizes of organic fertilizer particles after granulation. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application:

[0021] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0022] Figure 2 It is a schematic diagram of the internal structure of the fixed sleeve in the present invention;

[0023] Figure 3 It is a schematic diagram of the structure of the circulating cooling device in the present invention;

[0024] Figure 4 It is a structural schematic diagram of the filter screen cylinder in the present invention;

[0025] Figure 5 It is a schematic diagram of the structure of the connecting shaft in the present invention;

[0026] Figure 6 It is a schematic diagram of the structure of the connecting gear in the present invention;

[0027] Figure 7 It is a structural schematic diagram of the spiral cooling plate in the present invention;

[0028] Figure 8 It is a schematic diagram of the cross-sectional structure of the connecting disk in the present invention;

[0029] Fig. 9 It is a structural schematic diagram of the pressure compensation plate in the present invention;

[0030] Fig.10 It is a structural schematic diagram of the spiral conveying rod in the present invention;

[0031] Fig.11 It is a schematic diagram of the structure of the magnetic gear ring in the present invention;

[0032] Fig.12 It is a schematic diagram of the structure of the filter screen cylinder in the present invention;

[0033] Fig.13 It is a schematic diagram of the structure of the impact strip in the present invention;

[0034] Fig.14 It is a schematic diagram of the structure of the secondary screening device in the present invention;

[0035] Fig.15 It is the front view of the fixing sleeve in the present invention.

[0036] In the figure: 1. granulator base; 2. extrusion plate; 3. spiral cooling plate; 4. screening device; 41. fixed sleeve; 42. sealing seat; 43. active motor; 44. connecting component; 441. spiral conveying rod; 442. connecting plate; 443. pressure compensation plate; 45. connecting shaft; 46. feeding spiral blade; 47. filter screen cylinder; 471. sieve hole; 472. feeding hole; 473. cam; 48. feeding hopper; 49. screening hopper; 410. connecting gear; 411. magnetic gear ring; 412. impact bar; 5. circulating cooling device; 51. air outlet seat; 52. semiconductor refrigerator; 53. cooling pipe; 54. insulation pipe; 6. cutting plate; 7. secondary screening device; 71. guide plate; 72. pressure ball; 73. connecting rod; 74. sieve plate; 75. guiding seat. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0038] Example

[0039] See also Figure 1 - Fig.15As shown, a granular organic fertilizer granulator comprises a granulator base 1, an extrusion disc 2 is fixedly connected to the end of the granulator base 1, a spiral cooling disc 3 is fixedly connected to the inside of the extrusion disc 2, a mesh is provided inside the extrusion disc 2, and the mesh is spirally arrayed on the extrusion disc 2 with the shape of the spiral cooling disc 3 as a trajectory, and the spiral cooling disc 3 is used to cool the organic fertilizer in the mesh, and a spiral rod is arranged in the granulator base 1 to extrude the organic fertilizer into the extrusion disc 2, and the organic fertilizer is extruded in a strip state under the influence of the mesh in the extrusion disc 2. When extruded in the extrusion disc 2, the cold air flowing in the spiral cooling disc 3 quickly cools the organic fertilizer in the extrusion disc 2, and the mesh is in the same shape as the spiral cooling disc 3. The spiral state is distributed, and then the organic fertilizer in each mesh can be uniformly contacted and cooled with the spiral cooling disk 3, so as to achieve the effect of fully cooling and forming the organic fertilizer. At the same time, the overall width of the extrusion disk 2 is increased, and the organic fertilizer can be cooled in the extrusion disk 2 for a long way, thereby avoiding the deformation of the soft organic fertilizer during cutting due to the incomplete cooling and forming of the organic fertilizer. The spiral cooling disk 3 is provided with a circulating cooling device 5, and the circulating cooling device 5 is used for circulating cooling the gas in the spiral cooling disk 3; the screening device 4 is arranged at one end of the extrusion disk 2 away from the granulator base 1, and is used for screening and discharging the organic fertilizer particles; the cutting disk 6 (such as Figure 5 As shown in the figure, one end of the cutting disc 6 is rotatably connected to the end of the spiral cooling disc 3, and the other end of the cutting disc 6 is connected to the screening device 4, and the cutting disc 6 is driven by the screening device 4 to rotate and cut. After the formed organic fertilizer is squeezed out of the extrusion disc 2, it is cut by the rotating cutting disc 6, thereby completing the purpose of cutting the strip organic fertilizer into granules.

[0040] In this embodiment, the circulating cooling device 5 includes an air outlet seat 51, the end of the air outlet seat 51 is fixedly connected to the spiral cooling plate 3, a semiconductor refrigerator 52 is fixedly installed on the air outlet seat 51, a cooling pipe 53 is installed at the bottom of the semiconductor refrigerator 52, and an insulation pipe 54 is fixedly connected to the bottom of the air outlet seat 51. The interior of the air outlet seat 51 is respectively connected to the interior of the spiral cooling plate 3 and the interior of the insulation pipe 54, the cooling end of the semiconductor refrigerator 52 is connected to the cooling pipe 53, and the cooling pipe 53 quickly transfers the low temperature to the insulation pipe 54, thereby achieving the effect of quickly cooling the gas in the insulation pipe 54.

[0041] Furthermore, the screening device 4 includes a fixed sleeve 41, one end of which is fixedly connected to the end of the extrusion disc 2, and the other end of the fixed sleeve 41 is fixedly connected to a sealing seat 42, and an active motor 43 is installed at the end of the sealing seat 42. The output shaft of the active motor 43 is clamped with a connecting component 44, and the end of the connecting component 44 is fixedly connected to a connecting shaft 45. The surface of the connecting shaft 45 is fixedly connected to a feeding spiral blade 46. The internal rotation of the fixed sleeve 41 is connected to a filter screen cylinder 47. The bottom of the fixed sleeve 41 is respectively provided with a feeding hopper 48 and a screening hopper 49. The output shaft of the active motor 43 drives the connecting component 44 to rotate. The feeding spiral blade 46 on the through shaft 45 rotates simultaneously with the cutting disc 6. The cutting disc 6 cuts the strip-shaped organic fertilizer during the rotation, and then completes the work of cutting the strip-shaped organic fertilizer into granules. After cutting, the granular organic fertilizer falls into the filter screen cylinder 47, and the filter screen cylinder 47 filters the large particles in the particles. During the filtering period, the feeding spiral blade 46 can transport the large particles to the screening hopper 49. After the large particles are transported to the screening hopper 49, they are fed into the screening hopper 49 for separate feeding, thereby achieving the effect of screening and feeding the granular organic fertilizer after granulation. The interior of the feeding hopper 48 is provided with a secondary screening device 7. The end of the connecting shaft 45 is fixedly connected to the end of the cutting disc 6, and the connecting shaft 45 is connected to the interior of the spiral cooling disc 3 through the cutting disc 6.

[0042] The end of the connecting disk 442 is fixedly connected to the end of the connecting shaft 45, and the interior of the connecting disk 442 is connected to the interior of the connecting shaft 45. The sealing seat 42 is provided with a sealed cavity at the rotation position of the screw conveying rod 441. The sealed cavity is connected to the air outlet seat 51 through the insulation tube 54. The output shaft of the active motor 43 drives the screw conveying rod 441 and the connecting disk 442 to rotate. The screw conveying rod 441 can transport the gas in the sealed cavity to the connecting disk 442 when rotating. The gas can only be transported in one direction. During the transportation, the excess gas flows into the connecting shaft 45 through the through hole on the connecting disk 442, and is transported to the axis of the spiral cooling disk 3 through the connecting shaft 45 and the cutting disk 6. Since the spiral cooling disk 3 is in a state of spirally extending outward from the axis, when the cold air is not When the cold air is squeezed in from the axis, the cold air will squeeze out the original gas in the spiral cooling plate 3, and the original gas is continuously squeezed out until it is discharged from the air outlet seat 51 to the insulation pipe 54 and cooled by the cooling pipe 53. The cooled gas continues to be squeezed and flows from the insulation pipe 54 to the sealed cavity, and then is unidirectionally transported by the subsequent spiral conveying rod 441, so that the gas is continuously circulated and cooled, so as to fully and quickly cool the organic fertilizer in the extrusion plate 2 on the spiral cooling plate 3, and the pressure plate One side of 443 is fixedly connected to the inner wall of the sealing seat 42 through a spring, and the inner and outer ring surfaces of the pressure-compensating plate 443 are respectively connected to the inner wall piston of the sealing seat 42. During the continuous circulation of the cold air, the elastically positioned pressure-compensating plate 443 can achieve the effects of automatic pressure release and automatic pressure compensation according to the air pressure, thereby avoiding the problem of excessive air pressure or excessive air pressure caused by the spiral conveying rod 441 when rigidly conveying gas. The two sides of the connecting plate 442 are respectively rotatably connected at the end of the fixed sleeve 41 and the inside of the sealing seat 42.

[0043] In addition, the screening device 4 also includes a connecting gear 410, the end of the connecting gear 410 is rotatably connected to the fixed sleeve 41, the surface of the connecting gear 410 is meshed with a magnetic gear ring 411, and the surface of the connecting gear 410 is meshed with the surface of the connecting disk 442, the end of the magnetic gear ring 411 is rotatably connected to the end of the fixed sleeve 41, and the end of the magnetic gear ring 411 close to the filter screen cylinder 47 is magnetically connected to the filter screen cylinder 47, when the connecting disk 442 rotates, the teeth on its surface will drive the magnetic gear ring 411 to rotate through the meshing connecting gear 410, and when the magnetic gear ring 411 rotates, the filter screen cylinder 47 is driven by magnetic force, and an auxiliary screening of internal particles can be achieved during the rotation of the filter screen cylinder 47.

[0044] In addition, the filter screen cylinder 47 is provided with a sieve hole 471 and a feed hole 472 (such as Fig.12As shown, the end of the filter screen cylinder 47 and the inside of the magnetic gear ring 411 are both provided with a plurality of magnets distributed in a circular array, and the positive and negative poles of the plurality of magnets are distributed in a staggered state, and a cam 473 is fixedly connected to the filter screen cylinder 47. The inner wall of the fixed sleeve 41 is elastically connected to the impact bar 412 through a spring, and the cam 473 provided on the filter screen cylinder 47 will contact the impact bar 412 as it rotates, and the impact bar 412 is squeezed and collided by the cam 473, so that the impact bar 412 moves, and during the movement, the elastic force is combined to realize the impact on the filter screen cylinder 47, and the impact is used to generate vibration, which further promotes the feeding of particles in the filter screen cylinder 47, thereby avoiding the problem of clogging of the filter screen cylinder 47, and a guide rod and a protective sleeve are respectively provided between the surface of the impact bar 412 and the fixed sleeve 41, and the guide rod is used to linearly limit the impact bar 412, and the protective sleeve is used to seal and protect the spring on the impact bar 412.

[0045] It is worth noting that the secondary screening device 7 includes a guide plate 71 and a guide seat 75. The two sides of the guide plate 71 are fixedly connected to the inner wall of the lower hopper 48 through rubber strips. A pressure ball 72 is fixedly connected to the guide plate 71. The bottom of the guide plate 71 is fixedly connected to the sieve plate 74 through a connecting rod 73. The two sides of the sieve plate 74 are also fixedly connected to the inner wall of the lower hopper 48 through rubber strips. The cam 473 will contact and squeeze the pressure ball 72 during rotation, and drive the guide plate 71 on the pressure ball 72 to vibrate through the squeezing effect. The guide plate 71 realizes the shaking work in the lower hopper 48 through the rubber strips on both sides. At the same time, the guide plate 71 transmits the vibration effect to the sieve plate 74 through the connecting rod 73, thereby realizing the effect of vibrating and discharging the material particles on the sieve plate 74. The guide seat 75 is fixedly connected to the inside of the lower hopper 48, and small and medium-sized particles pass through the sieve holes 47. The particles are discharged into the fixed sleeve 41 and discharged from the discharge hopper 48. During the discharge, the guide plate 71 guides the particles to the sieve plate 74. The sieve plate 74 filters the small and medium-sized particles again. The small-sized particles of organic fertilizer are discharged to the right area of ​​the guide seat 75 through the sieve plate 74. The guide seat 75 isolates the small particles and discharges the small particles separately from the right area of ​​the guide seat 75. The medium-sized particles are discharged to the left area of ​​the guide seat 75 through the guide of the sieve plate 74, thereby realizing the three-size separate discharge of the granulated organic fertilizer particles.

[0046] When the granular organic fertilizer granulator of the present invention is in use, a spiral rod is arranged in a granulator base 1 to extrude the organic fertilizer into an extrusion disk 2. The organic fertilizer is extruded in a strip state under the influence of the mesh in the extrusion disk 2. When extruded in the extrusion disk 2, the cold air flowing in the spiral cooling disk 3 quickly cools the organic fertilizer in the extrusion disk 2. After the formed organic fertilizer is extruded out of the extrusion disk 2, it is cut by a rotating cutting disk 6, thereby completing the purpose of cutting the strip organic fertilizer into granules.

[0047] When in use, the cooling end of the semiconductor refrigerator 52 is connected to the cooling tube 53, and the cooling tube 53 quickly transfers the low temperature to the insulation tube 54, so as to achieve the effect of quickly cooling the gas in the insulation tube 54. By starting the active motor 43, the output shaft of the active motor 43 drives the spiral conveying rod 441 and the connecting disk 442 to rotate. The sealing seat 42 is provided with a sealed cavity at the rotating position of the spiral conveying rod 441. The sealed cavity is connected with the gas outlet seat 51 through the insulation tube 54. The spiral conveying rod 441 can convey the gas in the sealed cavity to the connecting disk 442 when rotating. The gas can only be transported in one direction. During the transportation, the excess gas flows out through the through hole on the connecting disk 442 It passes through the connecting shaft 45, and is transported to the axis of the spiral cooling disk 3 through the connecting shaft 45 and the cutting disk 6. Since the spiral cooling disk 3 is in a state of spirally extending from the axis to the outside, when the cold air is continuously squeezed in from the axis, the cold air will squeeze out the original gas in the spiral cooling disk 3. The original gas is continuously squeezed out until it is discharged from the air outlet seat 51 to the insulation tube 54 and cooled by the cooling tube 53. The cooled gas continues to be squeezed, flows from the insulation tube 54 to the sealed cavity, and is then unidirectionally transported by the subsequent spiral conveying rod 441, so that the gas is continuously circulated and cooled, achieving the effect of fully and quickly cooling the organic fertilizer in the extrusion disk 2 on the spiral cooling disk 3. During the continuous circulation of the cold air, the elastically positioned pressure-compensating disk 443 can achieve the effects of automatic pressure relief and automatic pressure compensation according to the air pressure, thereby avoiding the problem of excessive or low air pressure caused by the spiral conveying rod 441 when rigidly conveying gas. During the rotation, the spiral conveying rod 441 drives the feeding spiral blade 46 on the connecting shaft 45 and the cutting disc 6 to rotate simultaneously through the connecting disc 442. The cutting disc 6 cuts the strip-shaped organic fertilizer during the rotation, and then completes the work of cutting the strip-shaped organic fertilizer into granules. After cutting, the granular organic fertilizer falls into the filter mesh cylinder 47, and the filter mesh cylinder 47 filters the large particles in the particles. During the filtering period, the feeding spiral blade 46 can convey the large particles in the direction of the screening hopper 49. After the large particles are conveyed to the screening hopper 49, they are discharged into the screening hopper 49 through the feeding hole 472 for separate feeding. The small and medium-sized particles are discharged into the fixed sleeve 41 through the sieve hole 471 and discharged from the discharge hopper 48. During the discharge, the guide plate 71 guides the particles to the sieve plate 74, and the sieve plate 74 filters the small and medium-sized particles again. The small-sized organic fertilizer particles are discharged to the right area of ​​the guide seat 75 through the sieve plate 74. The guide seat 75 isolates the small particles and discharges the small particles separately from the right area of ​​the guide seat 75, while the medium-sized particles are discharged to the left area of ​​the guide seat 75 through the guide of the sieve plate 74, thereby realizing the separate discharge of three sizes of organic fertilizer particles after granulation.

[0048] At the same time, since the connecting disk 442 is in a rotating state, the teeth on its surface will drive the magnetic gear ring 411 to rotate through the meshing connecting gear 410. When the magnetic gear ring 411 rotates, the filter screen cylinder 47 is driven by magnetic force. During the rotation of the filter screen cylinder 47, an auxiliary screening of internal particles can be achieved. At the same time, the cam 473 provided on the filter screen cylinder 47 will contact the impact bar 412 as it rotates. The cam 473 squeezes and collides with the impact bar 412, causing the impact bar 412 to move. During the movement, the elastic force is combined to achieve the impact on the filter screen cylinder 47, and the impact is used to generate vibration, which further promotes the discharge of particles in the filter screen cylinder 47, thereby avoiding the problem of clogging of the filter screen cylinder 47. In addition, the cam 473 will contact and squeeze the compressed ball 72 during rotation, and drive the guide plate 71 on the compressed ball 72 to vibrate through the squeezing effect. The guide plate 71 realizes shaking work in the discharge hopper 48 through the rubber strips on both sides. At the same time, the guide plate 71 transmits the vibration effect to the screen plate 74 through the connecting rod 73, thereby achieving the effect of vibrating and discharging the discharge particles on the screen plate 74.

[0049] The above implementation methods are only used to illustrate the embodiments of the present invention, and are not limitations of the embodiments of the present invention. Ordinary technicians in the relevant technical field may make various changes and modifications without departing from the spirit and scope of the embodiments of the present invention. Therefore, all equivalent technical solutions also belong to the scope of the embodiments of the present invention. The patent protection scope of the embodiments of the present invention should be defined by the claims.

Claims

1. A granular organic fertilizer granulator, characterized in that: include A granulator base (1), wherein an end of the granulator base (1) is fixedly connected to an extrusion disk (2), a spiral cooling disk (3) is fixedly connected inside the extrusion disk (2), meshes are provided inside the extrusion disk (2), and the meshes are arranged in a spiral array on the extrusion disk (2) in the shape of the spiral cooling disk (3), the spiral cooling disk (3) is used to cool organic fertilizer in the meshes, and a circulating cooling device (5) is provided on the spiral cooling disk (3), and the circulating cooling device (5) is used to circulate and cool the gas in the spiral cooling disk (3); A sieving device (4), the sieving device (4) being arranged at one end of the extrusion disc (2) away from the granulator base (1) and being used for sieving and discharging the organic fertilizer particles; A cutting disc (6), one end of which is rotatably connected to the end of the spiral cooling disc (3), and the other end of which is connected to the screening device (4), and the cutting disc (6) is driven by the screening device (4) to rotate and cut.

2. A granular organic fertilizer granulator according to claim 1, characterized in that: The circulating cooling device (5) comprises an air outlet seat (51), the end of which is fixedly connected to the spiral cooling plate (3), a semiconductor refrigerator (52) is fixedly installed on the air outlet seat (51), a cooling pipe (53) is installed at the bottom of the semiconductor refrigerator (52), and a thermal insulation pipe (54) is fixedly connected to the bottom of the air outlet seat (51), and the interior of the air outlet seat (51) is respectively connected to the interior of the spiral cooling plate (3) and the interior of the thermal insulation pipe (54).

3. A granular organic fertilizer granulator according to claim 1, characterized in that: The screening device (4) comprises a fixed sleeve (41), one end of which is fixedly connected to the end of the extrusion disc (2), the other end of which is fixedly connected to a sealing seat (42), an active motor (43) is installed at the end of the sealing seat (42), the output shaft of the active motor (43) is clamped with a connecting component (44), the end of the connecting component (44) is fixedly connected to a connecting shaft (45), the surface of the connecting shaft (45) is fixedly connected to a material discharge spiral blade (46), the interior of the fixed sleeve (41) is rotatably connected to a filter screen cylinder (47), a material discharge hopper (48) and a screening hopper (49) are respectively arranged at the bottom of the fixed sleeve (41), and a secondary screening device (7) is arranged inside the material discharge hopper (48).

4. A granular organic fertilizer granulator according to claim 3, characterized in that: The end of the communication shaft (45) is fixedly connected to the end of the cutting disc (6), and the communication shaft (45) is connected to the interior of the spiral cooling disc (3) through the cutting disc (6).

5. A granular organic fertilizer granulator according to claim 3, characterized in that: The connecting component (44) includes a screw conveying rod (441) and a pressure compensation plate (443), one end of the screw conveying rod (441) is clamped on the output shaft of the active motor (43), and the other end of the screw conveying rod (441) is fixedly connected to the connecting plate (442), the end of the connecting plate (442) is fixedly connected to the end of the connecting shaft (45), and the interior of the connecting plate (442) is connected to the interior of the connecting shaft (45), one side of the pressure compensation plate (443) is fixedly connected to the inner wall of the sealing seat (42) through a spring, and the inner and outer ring surfaces of the pressure compensation plate (443) are respectively connected to the inner wall piston of the sealing seat (42), and the two sides of the connecting plate (442) are respectively rotatably connected to the end of the fixed sleeve (41) and the interior of the sealing seat (42).

6. A granular organic fertilizer granulator according to claim 5, characterized in that: The screening device (4) further comprises a connecting gear (410), the end of which is rotatably connected to the fixed sleeve (41), the surface of which is meshed with a magnetic gear ring (411), and the surface of which is meshed with the surface of the connecting disk (442), the end of which is rotatably connected to the end of the fixed sleeve (41), and the end of which is magnetically connected to the filter screen cylinder (47) at a position close to the filter screen cylinder (47).

7. A granular organic fertilizer granulator according to claim 6, characterized in that: The filter screen cylinder (47) is provided with a sieve hole (471) and a feed hole (472), respectively. The end of the filter screen cylinder (47) and the interior of the magnetic gear ring (411) are provided with a plurality of magnets distributed in a circular array, and the positive and negative poles of the plurality of magnets are distributed in a staggered state. The filter screen cylinder (47) is fixedly connected with a cam (473).

8. A granular organic fertilizer granulator according to claim 3, characterized in that: The inner wall of the fixed sleeve (41) is elastically connected to a striking strip (412) via a spring, and a guide rod and a protective sleeve are respectively arranged between the surface of the striking strip (412) and the fixed sleeve (41).

9. A granular organic fertilizer granulator according to claim 3, characterized in that: The secondary screening device (7) comprises a material guide plate (71) and a material guide seat (75), the two sides of the material guide plate (71) are fixedly connected to the inner wall of the lower hopper (48) through rubber strips, a pressure ball (72) is fixedly connected to the material guide plate (71), and the bottom of the material guide plate (71) is fixedly connected to a screen plate (74) through a connecting rod (73).

10. The granular organic fertilizer granulator according to claim 9, characterized in that: Both sides of the sieve plate (74) are fixedly connected to the inner wall of the lower hopper (48) via rubber strips, and the material guide seat (75) is fixedly connected to the inside of the lower hopper (48).

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