Organic fertilizer screening machine

By introducing drying and cleaning components into the organic fertilizer screening machine, the problems of screen cylinder blockage and clumping caused by the moisture content of organic fertilizer are solved, achieving efficient and convenient operation of the screening process.

CN223747989UActive Publication Date: 2026-01-02HUANGHUA DESHANG TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520054370.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-10
Publication Date
2026-01-02
Estimated Expiration
2035-01-10

AI Technical Summary

Technical Problem

Existing organic fertilizer screening machines are prone to clogging of the screening cylinder when the organic fertilizer is wet, and the clumping of organic fertilizer also causes the screening cylinder mesh to become clogged, making subsequent cleaning difficult.

Method used

An organic fertilizer screening machine was designed, comprising a drying component, a cleaning component, and a collection mechanism. The organic fertilizer is dried by heating rods and a fan, and the screening cylinder is cleaned by a motor-driven brush roller. The machine is equipped with a loading and unloading mechanism and a collection mechanism for easy operation.

Benefits of technology

It effectively avoids clogging of the screening cylinder, improves the screening efficiency and cleaning convenience of organic fertilizer, and ensures the continuity and efficiency of the screening process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an organic fertilizer screening machine, and belongs to the technical field of organic fertilizer processing. Comprising a base, supporting frames are fixedly arranged on the two sides of the upper portion of the base, a protecting box is fixedly arranged at the top ends of the supporting frames, a cover plate is installed on the upper portion of the protecting box, and movable rods are installed on the two sides of the interior of the protecting box. According to the organic fertilizer screening device, the cleaning mechanism and the screening cylinder are arranged, in the organic fertilizer screening process, a worker can start the heating rod and the draught fan in advance, hot air can be evenly blown to the screening cylinder under flow guiding of the wind scooper, on one hand, part of wet organic fertilizer can be dried, and on the other hand, the drying effect is good; and secondly, wet organic fertilizer adhering to meshes of the screening barrel can be dried, the separation effect of the organic fertilizer and the organic fertilizer is improved, the preliminary cleaning effect is achieved, and when a worker cleans the screening barrel later, a second motor can be started firstly to enable a transmission lead screw to rotate; and at the moment, the screw rod sliding sleeve acting with the screw rod can drive the connecting frame and the assembling frame to move back and forth in cooperation with the guide of the sliding rod.
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Description

TECHNICAL FIELD

[0001] The utility model relates to organic fertilizer processing technical field, especially a kind of organic fertilizer screening machine. BACKGROUND

[0002] Organic fertilizer is also called "farm fertilizer", and is called organic fertilizer for using organic matter as fertilizer, including human excrement and urine, manure, compost, green manure, cake fertilizer, biogas fertilizer and the like, with the characteristics of many types, wide sources, long fertilizer effect and the like, the nutrient elements contained in organic fertilizer are in organic state, and crops are difficult to directly utilize, slowly release a variety of nutrient elements by microorganism, and continuously supply nutrients to crops, and applying organic fertilizer can improve soil structure, coordinate water, fertilizer, gas and heat in soil, improve soil fertility and land productivity, and screening machine is needed in organic fertilizer processing operation.

[0003] For example, patent CN216500548U discloses an agricultural organic fertilizer screening device, which comprises a bottom plate, two support rods are fixedly connected to the top of the bottom plate, a protective cover is fixedly connected to the top of the support rod, a first motor is fixedly connected to the right side of the protective cover through a mounting plate, the output end of the first motor penetrates the protective cover and is fixedly connected with a screening net box, and the left side of the screening net box is fixedly connected with a movable rod.

[0004] The above-mentioned organic fertilizer screening device has the following problems in use: first, when the organic fertilizer is wet, it may cause the blockage of the screening cylinder; second, the partial caking of the organic fertilizer during screening processing may also cause the blockage of the screening cylinder mesh, thereby causing the difficulty of subsequent cleaning. Therefore, the present application provides an organic fertilizer screening machine to meet the needs. UTILITY MODEL CONTENTS

[0005] The technical problem to be solved by the utility model is to provide an organic fertilizer screening machine to solve the problems of the prior art that when the organic fertilizer is wet, it may cause the blockage of the screening cylinder, and the partial caking of the organic fertilizer during screening processing may also cause the blockage of the screening cylinder mesh, thereby causing the difficulty of subsequent cleaning.

[0006] To solve the above technical problems, the utility model provides the following technical scheme:

[0007] The utility model provides an organic fertilizer screening machine, including the base, the upper side of base is equipped with the support frame, and the top of support frame is equipped with the protective box, the top of protective box is installed the apron, and the inside two sides of protective box are installed the movable rod, the inside one end of two movable rods is connected with the screening cylinder, and the end of one movable rod is installed the first motor, one side of screening cylinder is installed the feeding and discharging mechanism, the lower side of protective box is equipped with the discharge chute, and the inside two sides of protective box are installed the cleaning mechanism, the upper middle part of base is installed the collection mechanism, the cleaning mechanism includes drying assembly, and drying assembly is installed one side of protective box, the inside one side of protective box is installed the cleaning assembly.

[0008] Optionally, the drying assembly includes an inner frame, and the inner frame is fixedly arranged on both sides of the inside of the protective box, the inner side of the two inner frames is separately provided with a heating rod, one side of the protective box is externally provided with a fan, and the end of the fan is provided with a wind deflector.

[0009] Optionally, the wind deflector is outwardly distributed, and the wind deflector is arranged at the end of the fan.

[0010] Optionally, the cleaning assembly includes two fixed blocks, and the two fixed blocks are separately arranged on both sides of the inside of the protective box, the inside of one of the fixed blocks is provided with a transmission screw rod, one end of the transmission screw rod is provided with a second motor, the periphery of one side of the transmission screw rod is screw-connected with a screw rod sleeve, the inside of the screw rod sleeve is fixedly provided with a connecting frame, the inside of the other fixed block is fixedly provided with a sliding rod, the inside of the connecting frame is fixedly provided with an assembly frame, the inside of the assembly frame is provided with a cleaning roller, and one end of the cleaning roller is connected with a third motor.

[0011] Optionally, the sliding rod and the connecting frame are movably and guideedly connected.

[0012] Optionally, the feeding and discharging mechanism includes a material port, and the material port is arranged on one side of the screening cylinder, one side of the material port is separately provided with a hinge, the inside of a plurality of hinges is jointly and fixedly provided with a screen plate, both sides of one end of the outside of the screen plate are fixedly provided with movable outer cylinders, and the respective ends of the two movable outer cylinders are connected with return springs, the inside of the movable outer cylinder and the return spring movably penetrates a limiting rod frame, the periphery of the proximal end of the limiting rod frame is fixedly provided with a pressing block, and both sides of the screening cylinder are provided with limiting grooves.

[0013] Optionally, the size of the pressing block is greater than the size of one end plate of the return spring, and the limiting rod frame fixedly provided with the pressing block and the movable outer cylinder are movably and guideedly connected.

[0014] Optionally, the size of the proximal end of the limiting rod frame matches the size of the limiting groove.

[0015] Optionally, the collecting mechanism comprises preset guide grooves, and the preset guide grooves are arranged on the upper sides of the base, and the upper side of the base is provided with a collecting box, and the lower sides of the collecting box are fixedly provided with guide blocks.

[0016] Optionally, the guide blocks arranged on the lower side of the collecting box and the corresponding preset guide grooves are movably connected.

[0017] Compared with the prior art, the utility model has at least the following beneficial effects:

[0018] In the above scheme, the cleaning mechanism is arranged, the heating rod and the fan can be started in advance during the screening process of the organic fertilizer in the screening cylinder, and the hot air can be uniformly blown to the screening cylinder under the guidance of the air baffle, which can dry part of the moist organic fertilizer, and the moist organic fertilizer adhered to the mesh of the screening cylinder can be dried, the separation effect of the two is improved, the preliminary cleaning effect is achieved, when the personnel clean the screening cylinder, the second motor can be started to rotate the transmission screw, at this time, the screw sleeve acting on the screw can cooperate with the connecting frame and the assembly frame to move forward and backward under the guidance of the slide rod, since the cleaning roller is installed in the middle of the assembly frame, the cleaning roller can be attached to the surface of the screening cylinder, then the first motor is started to rotate the screening cylinder at a constant speed, and the third motor is started to rotate the cleaning roller, so that the comprehensive cleaning operation of the screening cylinder can be achieved, and the plugging phenomenon of the mesh of the screening cylinder can be avoided.

[0019] By arranging the feeding and discharging mechanism, the personnel can open the upper cover plate of the protective box in advance, and put the organic fertilizer to be processed into the feeding port of the screening cylinder in the protective box, then the personnel use the hinge cover net plate, when the net plate covers the feeding port, the thumb and the index finger of one hand can pinch the hand-held blocks at the opposite ends of the two limiting rod frames, under the guidance of the movable outer cylinder, the pressing blocks fixedly arranged on the two limiting rod frames will compress the reset spring, in this state, the net plate can close the feeding port, then the personnel release the two limiting rod frames, under the reset of the reset spring, the top ends of the two limiting rod frames will be inserted into the limiting grooves arranged at the positions, so that the net plate is fixed, at this time, the movable rod and the first motor can be used to drive the rotation of the screening cylinder, so that the screening of the organic fertilizer in the screening cylinder is realized.

[0020] By arranging the collecting mechanism, the smaller organic fertilizer screened out can be introduced into the collecting box along the discharging groove, the personnel can take out the collecting box for processing under the guidance of the guide block and the preset guide groove after screening, then the collecting box is put back to the original position, the personnel drive the first motor to make the feeding port of the screening cylinder downward, and the net plate can be opened through the feeding and discharging mechanism, so that the organic fertilizer with large particles is collected and processed, which is portable and practical. BRIEF DESCRIPTION OF DRAWINGS

[0021] The drawings incorporated in and forming a part of the specification, illustrate embodiments of the present application and, together with the description, further serve to explain the principles of the application and to enable one skilled in the pertinent art to make and use the application.

[0022] Figure 1 It is organic fertilizer screening machine three-dimensional structure schematic diagram;

[0023] Figure 2 It is organic fertilizer screening machine protective packaging box front view internal structure schematic diagram;

[0024] Figure 3 It is organic fertilizer screening machine Figure 2 Structure schematic diagram at A place in middle;

[0025] Figure 4 It is organic fertilizer screening machine protective packaging box planar view internal structure schematic diagram.

[0026] Reference signs:

[0027] 1, base; 2, support frame; 3, protective packaging box; 4, cover plate; 5, movable rod; 6, first motor; 7, screening cylinder; 8, feeding and discharging mechanism; 81, material port; 82, hinge; 83, screen plate; 84, movable outer cylinder; 85, return spring; 86, limiting rod frame; 87, pressing block; 88, limiting groove; 9, discharging groove; 10, collecting mechanism; 101, preset guide groove; 102, collecting box; 103, guide block; 11, cleaning mechanism; 111, drying assembly; 1111, inner mounting frame; 1112, heating rod; 1113, fan; 1114, air guide cover; 112, cleaning assembly; 1121, fixed block; 1122, transmission screw rod; 1123, second motor; 1124, screw rod sliding sleeve; 1125, connecting mounting frame; 1126, sliding rod; 1127, assembly frame; 1128, cleaning roller; 1129, third motor.

[0028] As shown in the drawings, in order to clearly realize the structure of the embodiments of the present application, specific structures and devices are marked in the drawings, but this is only for the need of illustration, and is not intended to limit the present application in the specific structure, device and environment, and those skilled in the art can adjust or modify these devices and environment according to specific needs. DETAILED DESCRIPTION

[0029] The organic fertilizer screening machine provided by the present application will be described in detail below in combination with the drawings and specific embodiments. It should be noted here that, in order to make the embodiments more detailed, the following embodiments are the best, preferred embodiments, and other alternative ways can also be used by those skilled in the art to implement them; and the drawings are only used to describe the embodiments in more detail, and are not intended to specifically limit the present application.

[0030] It is noted that the use of "one embodiment," "an embodiment," "certain embodiments," "some embodiments," etc., in the specification, does not necessarily refer to the same embodiment, although it can. In addition, the description of a particular feature, structure, or characteristic in connection with an embodiment does not imply that such feature, structure, or characteristic is included in all embodiments. In addition, the description of a particular feature, structure, or characteristic in connection with an embodiment does not imply that such feature, structure, or characteristic is included in all embodiments.

[0031] In general, the terminology used herein can be understood in at least part from the context in which it is used. For example, the term "one or more" as used herein, depending at least in part upon the context in which it is used, can be used to describe any feature, structure, or characteristic in a singular sense or can be used to describe combinations of features, structures, or characteristics in a plural sense. In addition, the term "based on" can be understood as not necessarily being confined to factors that are explicitly enumerated, but rather can also include factors that are not explicitly enumerated, depending at least in part on the context in which the term is used.

[0032] It is to be understood that the terms "on," "over," and "above," in the present disclosure, should be interpreted in the broadest context possible so that "on" not only means "directly on" but also includes the meaning of being "on" with intervening features or layers therebetween, and "over" or "above" not only means "over" or "above" but also can include the meaning of being "over" or "above" without intervening features or layers therebetween.

[0033] In addition, spatially relative terms, such as "under," "below," "lower," "over," "upper," and the like, can be used herein for ease of description to describe one element or feature's relationship to another element(s) or feature(s) as illustrated in the figures. The spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientations depicted in the figures. The devices can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

[0034] As Figures 1 to 4As shown, an embodiment of this utility model provides an organic fertilizer screening machine, including a base 1, support frames 2 fixed on both sides of the upper part of the base 1, and a protective box 3 fixed on the top of the support frame 2. A cover plate 4 is installed on the top of the protective box 3, and movable rods 5 are installed on both sides inside the protective box 3. The inner ends of the two movable rods 5 are connected to a screening cylinder 7, and a first motor 6 is installed at the end of one of the movable rods 5. A loading and unloading mechanism 8 is installed on one side of the screening cylinder 7. A feeding trough 9 is opened at the bottom of the protective box 3, and a cleaning mechanism 11 is installed on both sides inside the protective box 3. A collection mechanism 10 is installed at the upper center of the screen cylinder 7. The loading and unloading mechanism 8 includes a material inlet 81, which is located on one side of the screen cylinder 7. A hinge 82 is provided on one side of the material inlet 81, and a mesh plate 83 is fixedly attached to the inner side of multiple hinges 82. Movable outer cylinders 84 are fixedly attached to both sides of one end of the mesh plate 83, and a return spring 85 is connected to the end of each of the two movable outer cylinders 84. A limit rod 86 is inserted inside the movable outer cylinder 84 and the return spring 85, and a pressure block 87 is fixedly attached to the periphery of the limit rod 86 near the top. The size of the pressure block 87 is larger than that of the return spring 85. The size of one end plate of 5, and the limit rod 86 fixed to the pressure block 87, form a movable guide connection with the movable outer cylinder 84. Limit grooves 88 are opened on both sides of the screening cylinder 7. The top size of the limit rod 86 matches the opening size of the limit groove 88. The operator can open the top cover plate 4 of the protective box 3 in advance and put the organic fertilizer to be processed into the material opening 81 on the screening cylinder 7 inside the protective box 3. Then, the operator uses the hinge 82 to flip the screen plate 83. When the screen plate 83 is about to cover the material opening 81, the operator can use the thumb and forefinger of one hand to pinch the two limit rods 86 respectively. The two limit rods 86, in conjunction with the movable outer cylinder 84, are guided by pressure. Their respective fixed pressure blocks 87, along with the return springs 85, are compressed. In this state, the screen plate 83 can close the material inlet 81. At this time, the operator releases the two limit rods 86. Under the reset of the return springs 85, the tops of the two limit rods 86 will be inserted into the corresponding limit grooves 88, thereby fixing the screen plate 83. Then, the movable rod 5 and the first motor 6 can be used to drive the rotation of the screening cylinder 7, thereby achieving the screening of organic fertilizer inside the screening cylinder 7.

[0035] The collecting mechanism 10 comprises preset guide grooves 101, which are arranged on both sides of the upper part of the base 1, and the collecting box 102 is arranged on the upper part of the base 1, the guide blocks 103 are arranged on the lower part of the collecting box 102, the guide blocks 103 arranged on the lower part of the collecting box 102 are movably connected with the corresponding preset guide grooves 101, the smaller organic fertilizer is screened out and introduced into the collecting box 102 along the discharging chute 9, the personnel can take out the collecting box 102 for treatment by guiding the guide blocks 103 and the preset guide grooves 101 after screening, then the collecting box 102 is put back to the original place, the personnel drives the first motor 6 to make the material port 81 of the screening cylinder 7 face downward, and the mesh plate 83 can be opened by the feeding and discharging mechanism 8, so that the large-particle organic fertilizer is collected and treated, which is portable and practical.

[0036] Furthermore, the cleaning mechanism 11 comprises a drying assembly 111, and the drying assembly 111 is installed on one side of the protective box 3; the drying assembly 111 comprises two inner shelves 1111, and the two inner shelves 1111 are fixedly arranged on the two sides of the inner side of the protective box 3; the inner sides of the two inner shelves 1111 are respectively provided with heating rods 1112; a fan 1113 is installed on the outer side of one side of the protective box 3, and the end of the fan 1113 is provided with a wind deflector 1114; the wind deflector 1114 is in an outwardly expanding mode and is arranged on the end of the fan 1113; a cleaning assembly 112 is installed on the inner side of the protective box 3, and the cleaning assembly 112 comprises two fixed blocks 1121; the two fixed blocks 1121 are respectively arranged on the two sides of the inner side of the protective box 3; the inner end of one of the two fixed blocks 1121 is provided with a transmission screw rod 1122, and one end of the transmission screw rod 1122 is provided with a second motor 1123; a screw rod sliding sleeve 1124 is screw-connected on the side of the transmission screw rod 1122; the inner side of the screw rod sliding sleeve 1124 is fixedly provided with a connecting shelf 1125; the inner end of the other fixed block 1121 is fixedly provided with a sliding rod 1126; the inner side of the connecting shelf 1125 is fixedly provided with an assembly shelf 1127; the inner side of the assembly shelf 1127 is provided with a cleaning brush roller 1128; one end of the cleaning brush roller 1128 is connected with a third motor 1129; the sliding rod 1126 and the connecting shelf 1125 are movably connected; during the screening process of the organic fertilizer, the heating rods 1112 and the fan 1113 can be started in advance; under the guidance of the wind deflector 1114, hot air can be uniformly blown to the screening cylinder 7; in this way, the moist organic fertilizer can be dried, the moist organic fertilizer adhered to the mesh of the screening cylinder 7 can be dried, the separation effect of the two is improved, and the preliminary cleaning effect is achieved; when the screening cylinder 7 is cleaned, the second motor 1123 is started to drive the transmission screw rod 1122 to rotate; at this time, the screw rod sliding sleeve 1124 connected with the screw rod can drive the connecting shelf 1125 and the assembly shelf 1127 to move forward and backward in cooperation with the sliding rod 1126; since the cleaning brush roller 1128 is arranged in the middle of the assembly shelf 1127, the cleaning brush roller 1128 can be attached to the surface of the screening cylinder 7; then, the first motor 6 is started to drive the screening cylinder 7 to rotate at a constant speed; the third motor 1129 is started to drive the cleaning brush roller 1128 to rotate; in this way, the comprehensive cleaning operation of the screening cylinder 7 can be achieved, and the plugging phenomenon of the mesh of the screening cylinder 7 can be avoided.

[0037] The technical scheme provided by the utility model has the advantages of the following working principles:

[0038] The staff can open the cover 4 on the protective box 3 in advance, put the organic fertilizer to be processed into the material port 81 on the screening cylinder 7 in the protective box 3, then the staff uses the hinge 82 to flip the mesh plate 83, when the mesh plate 83 covers the material port 81, the thumb and the index finger of one hand can pinch the hand-held blocks at the opposite ends of the two limiting rod frames 86 respectively, the two limiting rod frames 86 are guided in the movable outer cylinder 84, the fixed pressing block 87 of each limiting rod frame 86 is compressed under the driving of the pressure, in this state, the mesh plate 83 can close the material port 81, at this time, the staff releases the two limiting rod frames 86, under the reset of the reset spring 85, the top ends of the two limiting rod frames 86 are inserted into the limiting grooves 88 in the opposite positions, so that the mesh plate 83 is fixed, at this moment, the movable rod 5 and the first motor 6 can be used to drive the rotation of the screening cylinder 7, so that the screening of the organic fertilizer in the screening cylinder 7 is realized, and then the smaller organic fertilizer is guided into the collecting box 102 along the discharging chute 9, the staff can take out the collecting box 102 for processing after screening by using the guide block 103 and the pre-set guide groove 101, then the collecting box 102 is put back to the original position, the staff drives the first motor 6 to make the material port 81 of the screening cylinder 7 downward, and the mesh plate 83 can be opened by the feeding and discharging mechanism 8, so that the organic fertilizer with large particles is collected and processed, which is portable and practical, finally, the staff can start the heating rod 1112 and the fan 1113 in advance during the screening process of the screening cylinder 7, under the guidance of the air deflector 1114, the hot air can be uniformly blown to the screening cylinder 7, which can dry part of the moist organic fertilizer, and can dry the moist organic fertilizer adhered to the mesh of the screening cylinder 7, so that the separation effect of the two is improved, and the preliminary cleaning effect is achieved, when the staff cleans the screening cylinder 7, the second motor 1123 can be started first to make the transmission screw rod 1122 rotate, at this time, the screw rod sleeve 1124 which is in action with the screw rod can make the connecting frame 1125 and the assembly frame 1127 move forward and backward under the guidance of the sliding rod 1126, since the cleaning roller 1128 is installed in the middle of the assembly frame 1127, the cleaning roller 1128 can be attached to the surface of the screening cylinder 7, then the staff starts the first motor 6 to make the screening cylinder 7 rotate at a constant speed, and then starts the third motor 1129 to make the cleaning roller 1128 rotate, so that the comprehensive cleaning of the screening cylinder 7 is realized, and the phenomenon of clogging of the mesh of the screening cylinder 7 is avoided.

[0039] The utility model covers any alternative, modification, equivalent method and scheme which is made on the essence and range of the utility model. In order to make the public have the thorough understanding of the utility model, the specific details are explained in the following preferred embodiments of the utility model, and the utility model can also be completely understood without the description of these details for the person skilled in the art. In addition, in order to avoid unnecessary confusion to the essence of the utility model, the well-known method, process, flow, element and circuit have not been explained in detail.

[0040] The above merely is preferred implementation manner of the present application, it should be pointed out, for ordinary skilled person in the technical field, on the premise of not departing from the principle of the present application, can also make several improvements and refinements, these improvements and refinements also should be regarded as the protection scope of the present application.

Claims

1. An organic fertilizer screening machine characterized by, The utility model provides a kind of screening device, including pedestal, the upper two sides of the pedestal are fixed with support frame, and the top of support frame is fixed with protective box, the upper of protective box is installed with cover plate, and the inside two sides of protective box are installed with movable rod, the inner end of two movable rods is connected with screening cylinder, and the end of one movable rod is installed with first motor, the side of screening cylinder is installed with feeding and discharging mechanism, the lower of protective box is opened with discharging groove, and the inside two sides of protective box are installed with cleaning mechanism, the upper middle part of pedestal is installed with collection mechanism, the cleaning mechanism includes drying assembly, and drying assembly is installed on the side of protective box, the inside one side of protective box is installed with cleaning assembly.

2. The organic fertilizer screening machine according to claim 1, characterized in that, The drying assembly includes an inner frame, and the inner frame is fixed to both sides of the inside one side of the protective box. The inner side of the two inner frames is divided to have a heating rod. A fan is installed on the outside of one side of the protective box, and the end of the fan is provided with a wind deflector.

3. The organic fertilizer screening machine according to claim 2, characterized in that, The wind deflector is distributed in an outward expanding manner, and the wind deflector is installed at the end of the fan.

4. The organic fertilizer screening machine according to claim 1, characterized in that, The cleaning assembly includes two fixed blocks, and the two fixed blocks are divided and arranged on both sides of the inside one side of the protective box. The inner end of one of the fixed blocks is installed with a transmission screw rod, and one end of the transmission screw rod is installed with a second motor. A screw rod sleeve is screw-connected on the side of the transmission screw rod, and a connecting frame is fixedly arranged on the inner side of the screw rod sleeve. The inner end of the other fixed block is fixedly arranged with a sliding rod. The inner side of the connecting frame is fixedly arranged with an assembly frame, and the inner side of the assembly frame is installed with a cleaning brush roller. One end of the cleaning brush roller is connected and installed with a third motor.

5. The organic fertilizer screening machine according to claim 4, characterized in that, The sliding rod and the connecting frame are movably connected.

6. The organic fertilizer screening machine according to claim 1, characterized in that, The feeding and discharging mechanism includes a material port, and the material port is arranged on one side of the screening cylinder. The side edge of the material port is divided and arranged with hinges, and the inner sides of the hinges are jointly and fixedly arranged with a mesh plate. The outer side of one end of the mesh plate is fixedly arranged with movable outer cylinders on both sides, and the respective ends of the two movable outer cylinders are connected with return springs. Limiting rod frames are movably inserted into the interiors of the movable outer cylinders and the return springs, and pressing blocks are fixedly arranged on the peripheries of the proximal ends of the limiting rod frames. Limiting grooves are arranged on both sides of the screening cylinder.

7. The organic fertilizer screening machine according to claim 6, characterized in that, The size of the pressing block is larger than the size of one end plate of the return spring, and the limiting rod frame fixedly arranged with the pressing block and the movable outer cylinder are movably connected.

8. The organic fertilizer screening machine according to claim 6, characterized in that, The size of the proximal end of the limiting rod frame matches the size of the limiting groove.

9. The organic fertilizer screening machine according to claim 1, characterized in that, The collection mechanism includes preset guide grooves, and the preset guide grooves are divided and arranged on both sides of the upper part of the pedestal. A collection box is carried on the upper part of the pedestal, and guide blocks are fixedly arranged on both sides of the lower part of the collection box.

10. The organic fertilizer screening machine according to claim 9, characterized in that, The guide blocks divided and arranged on the lower part of the collection box are movably connected with the corresponding preset guide grooves.