Fertilizer coating machine convenient to clean

Abstract

The utility model discloses a fertilizer coating machine convenient to clean, which comprises a bottom plate, a treatment bin and a coating bin for fertilizer processing are respectively arranged on the bottom plate, and treatment parts are arranged on the treatment bin and the coating bin; the treatment part comprises a motor fixedly mounted on one side of the treatment bin, inner cylinders are fixedly connected to the inner sides of the treatment bin and the film coating bin, a feeding hopper with one end penetrating through the inner cylinder on the left side is fixedly connected to the treatment bin, and a sleeve is rotationally connected to the inner side of the film coating bin; an output shaft of the motor is fixedly connected with a rotating shaft with one end penetrating and extending to the inner side of the sleeve. According to the utility model, when a fertilizer to be processed is fed through the feed hopper, the fertilizer can be stirred, scattered, screened and filtered by the rotating shaft and the stirring rod on the left inner cylinder, so that the fertilizer coating effect is improved, the rotating guide plate can be used for cutting and guiding the fertilizer during coating, and coating liquid conveyed by the liquid guide bin at the top is uniformly sprayed, so that the coating effect is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fertilizer production, in particular to a fertilizer coating machine which is easy to clean. Background Art

[0002] Fertilizer refers to a substance that can provide nutrients needed for crop growth and development, improve soil properties, and increase crop yield and quality. It is an important means of production in agricultural production and is generally divided into organic fertilizers, inorganic fertilizers, and biological fertilizers.

[0003] Organic fertilizer needs to be coated after production is completed, which can reduce the loss of nutrients in chemical fertilizers and significantly improve the utilization rate of chemical fertilizers. A coating machine is required for coating the fertilizer.

[0004] However, the coating machines currently available on the market are prone to adhesion and agglomeration of uncoated fertilizers when they are put into the coating machines. The agglomerated fertilizers are very likely to be unevenly coated and the coating effect is hindered during the subsequent coating operation, which affects the coating effect of the fertilizer. Therefore, a fertilizer coating machine that is easy to clean is proposed to solve the above problems. Utility Model Content

[0005] (1) Purpose of the utility model

[0006] In order to solve the technical problems existing in the background technology, the utility model proposes a fertilizer coating machine that is easy to clean. Through the processing parts on the processing bin and the coating bin, the fertilizer can be stirred and screened before coating to improve the fertilizer coating effect, which has the advantages of improving the coating effect.

[0007] (2) Technical solution

[0008] The utility model provides a fertilizer coating machine that is easy to clean, comprising a bottom plate, on which a processing chamber and a coating chamber for fertilizer processing are respectively provided, and processing parts are provided on the processing chamber and the coating chamber;

[0009] The processing part includes a motor fixedly mounted on one side of the processing bin, the processing bin and the inner sides of the coating bin are fixedly connected to an inner cylinder, the processing bin is fixedly connected to a feed hopper with one end penetrating the left inner cylinder, the inner side of the coating bin is rotatably connected to a sleeve, the output shaft of the motor is fixedly connected to a rotating shaft with one end penetrating and extending to the inner side of the sleeve, the outer side of the rotating shaft is fixedly connected to a connecting block with one end extending to the inside of the sleeve, the inner wall of the inner cylinder is provided with a filter hole, the outer side of the rotating shaft and the inner wall of the left inner cylinder are fixedly connected to a plurality of stirring rods, the outer side of the sleeve is fixedly connected to a plurality of guide plates, and the upper and lower sides of the coating bin are connected to a liquid guide bin;

[0010] The bottom plate is provided with a support member for supporting the processing chamber and the coating chamber;

[0011] A material storage piece for storing materials is provided on one side of the bottom plate.

[0012] Preferably, the inner wall of the sleeve is provided with a rectangular groove adapted to the connecting block, the stirring rods on the left inner cylinder are distributed equidistantly in a fan shape, the stirring rods on the rotating shaft are distributed equidistantly in a ring shape, and the stirring rods on the left inner cylinder and the stirring rods on the rotating shaft are staggered left and right.

[0013] Preferably, the filter holes on the left inner cylinder are distributed in a fan shape below the left inner cylinder, and the filter holes on the right inner cylinder are distributed in a circular shape with equal intervals.

[0014] Preferably, the support member includes two groups of long strips fixedly connected to the front and rear sides of the processing chamber and the coating chamber respectively. The lower surface of the long strip on the right is hinged to a support rod with one end fixedly connected to the bottom plate. A group of hydraulic rods are hinged to the bottom plate, and the output end of the hydraulic rod is hinged to the long strip on the left. A slide is slidably connected to the bottom plate, and a telescopic rod with one end hinged to the processing chamber is slidably connected to the slide. Threaded rods are rotatably connected to the telescopic rod and the slide.

[0015] Preferably, a sliding groove is provided on the bottom plate for the sliding connection of the slide, the telescopic rod is composed of a sleeve rod and a sliding rod, the sleeve rod is hinged on the slide, the sliding rod is slidably connected to the inner side of the sleeve rod, and the upper end of the sliding rod is hinged to the processing bin, and the outer side of the sliding rod and the inner side of the sliding groove are provided with threaded grooves that are compatible with the outer thread of the threaded rod.

[0016] Preferably, the material storage part includes a material storage bin fixedly connected to one side of the bottom plate, a partition is fixedly connected to the inner side of the material storage bin, a collecting rack is slidably connected between the inner wall of the material storage bin and the partition, a filter is fixedly connected to the inner bottom wall of the collecting rack, a fan is fixedly installed on one side of the material storage bin, the lower end of the processing bin is connected to the ventilation bin, and the air inlet and outlet ends of the fan are both connected to a ventilation pipe, one end of which is respectively connected to the ventilation bin and the material storage bin.

[0017] Preferably, the material storage component also includes a pump body fixedly installed on the other side of the storage bin, the liquid outlet end of the pump body is connected to a liquid delivery pipe having one end connected to the top liquid guide bin, and the bottom liquid guide bin is connected to a return pipe having one end connected to the storage bin, a filter block is provided at one end of the return pipe close to the bottom liquid guide bin, valves are provided at one end of the return pipe close to the bottom liquid guide bin and at one end of the coating bin away from the processing bin, and the ventilation pipe, liquid delivery pipe and return pipe are all hoses.

[0018] Compared with the prior art, the above technical solution of the present invention has the following beneficial technical effects:

[0019] 1. This easy-to-clean fertilizer coating machine, when the fertilizer to be processed is fed through the feed hopper, can be stirred and broken up by the rotating shaft and the stirring rod on the left inner cylinder, as well as screened and filtered to improve the fertilizer coating effect. The rotating guide plate can divide and guide the fertilizer during coating, and the coating liquid transported by the top liquid guide bin is evenly sprayed, further improving the coating effect.

[0020] 2. This easy-to-clean fertilizer coating machine can start the fan to pump the debris and dust generated during the stirring process of the fertilizer into the collection rack through the ventilation pipe for filtration and storage. The excess coating liquid after coating can be filtered through the bottom liquid guide tank and the return pipe and then flow back into the storage bin to achieve energy saving and environmental protection.

[0021] 3. This fertilizer coating machine is easy to clean. When the threaded rod on the slide is fixed by rotating the slide, the hydraulic rod is activated to lift the processing bin and the coating bin to an inclined state to improve the smoothness of material discharge. When the threaded rod on the telescopic rod is rotated to fix the telescopic rod, the hydraulic rod is activated to push the processing bin and the coating bin to separate, which improves the convenience of the operator to clean the parts in the processing bin and the coating bin. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a three-dimensional diagram of the overall structure of the utility model;

[0023] Figure 2 This is a side sectional view of the processing chamber structure of the utility model;

[0024] Figure 3 This is a side sectional view of the coating bin structure of the utility model;

[0025] Figure 4 This is a rear view of the overall structure of the utility model;

[0026] Figure 5 This is a side sectional view of the material storage structure of the utility model.

[0027] Figure numerals: 1. Base plate; 2. Control box; 3. Support member; 31. Hydraulic rod; 32. Support rod; 33. Long strip; 34. Slide plate; 35. Telescopic rod; 36. Threaded rod; 4. Processing chamber; 6. Coating chamber; 6. Processing member; 61. Motor; 62. Feed hopper; 63. Inner cylinder; 64. Filter hole; 65. Rotating shaft; 66. Stirring rod; 67. Connecting block; 68. Liquid guide chamber; 69. Sleeve; 610. Guide plate; 7. Storage member; 71. Ventilation chamber; 72. Ventilation pipe; 73. Storage chamber; 74. Collecting rack; 75. Fan; 76. Partition; 77. Filter screen; 78. Pump body; 79. Liquid delivery pipe; 710. Return pipe; 711. Valve; 712. Filter block. DETAILED DESCRIPTION

[0028] To make the objectives, technical solutions, and advantages of the present invention more clearly understood, the present invention is further described below in conjunction with specific embodiments and with reference to the accompanying drawings. It should be understood that these descriptions are merely illustrative and are not intended to limit the scope of the present invention. Furthermore, descriptions of known structures and technologies are omitted in the following description to avoid unnecessary confusion regarding the concepts of the present invention.

[0029] In the description of the utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," "the other end," and the like, indicating positions or relationships, are based on the positions or relationships shown in the accompanying drawings and are intended solely to facilitate the description of the utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0030] In the description of the utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "connected," etc., should be understood in a broad sense. For example, "connected" can mean fixed connection, welding, riveting, bonding, etc., or detachable connection, threaded connection, key connection, pin connection, etc., or integral connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediate medium, or it can be internal communication between two components. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood by those skilled in the art in specific circumstances.

[0031] like Figure 1-5 As shown, the present invention proposes a fertilizer coating machine that is easy to clean, comprising a base plate 1 , on which a processing chamber 4 and a coating chamber 5 for fertilizer processing are respectively provided, and processing components 6 are provided on the processing chamber 4 and the coating chamber 5 .

[0032] In the present invention, the processing components 6 located on the processing bin 4 and the coating bin 5 can stir and screen the input fertilizers before coating them, so as to improve the coating effect of the fertilizers.

[0033] It should be noted that a control box 2 for controlling the electrical components of the entire device is also provided on the base plate 1 .

[0034] In an optional embodiment, the processing part 6 includes a motor 61 fixedly mounted on one side of the processing bin 4, and the inner sides of the processing bin 4 and the coating bin 5 are fixedly connected to an inner cylinder 63, and a feed hopper 62 with one end passing through the left inner cylinder 63 is fixedly connected to the processing bin 4, and a sleeve 69 is rotatably connected to the inner side of the coating bin 5. The output shaft of the motor 61 is fixedly connected to a rotating shaft 65 with one end passing through and extending to the inner side of the sleeve 69, and the outer side of the rotating shaft 65 is fixedly connected to a connecting block 67 with one end extending to the inside of the sleeve 69. A filter hole 64 is provided on the inner wall of the inner cylinder 63, and a plurality of stirring rods 66 are fixedly connected to the outer side of the rotating shaft 65 and the inner wall of the left inner cylinder 63, and a plurality of guide plates 610 are fixedly connected to the outer side of the sleeve 69. The upper and lower sides of the coating bin 5 are connected to a liquid guide bin 68, and the inner bottom wall of the top liquid guide bin 68 is provided with a plurality of spray holes.

[0035] In this embodiment, when the fertilizer to be processed is fed into the feed hopper 62, it can be stirred and broken up by the rotating shaft 65 and the stirring rod 66 on the left inner cylinder 63, as well as screened and filtered to improve the fertilizer coating effect. The rotating guide plate 610 can divide and guide the fertilizer during coating, and the coating liquid transported by the top liquid guide bin 68 is evenly sprayed, further improving the coating effect.

[0036] It should be noted that the inner wall of the sleeve 69 is provided with a rectangular groove adapted to the connecting block 67, and the stirring rods 66 on the left inner cylinder 63 are distributed equidistantly in a fan shape to facilitate the suction of the debris and dust after stirring and screening from the bottom of the processing bin 4, and the stirring rods 66 on the rotating shaft 65 are distributed equidistantly in a ring shape, and the stirring rods 66 on the left inner cylinder 63 and the stirring rods 66 on the rotating shaft 65 are staggered left and right, and the input fertilizer is stirred and screened by a number of staggered and equidistant stirring rods 66.

[0037] Among them, the filter holes 64 on the left inner cylinder 63 are distributed in a fan shape below the left inner cylinder 63, and the debris and dust after stirring and screening are discharged through the left filter holes 64. The filter holes 64 on the right inner cylinder 63 are distributed in a circular and equidistant manner. The filter holes 64 on the right can guide the sprayed coating liquid into the right inner cylinder 63 and guide it out from the right inner cylinder 63.

[0038] In an optional embodiment, a support member 3 for supporting the processing chamber 4 and the coating chamber 5 is provided on the base plate 1; the support member 3 includes two groups of long strips 33 fixedly connected to the front and rear sides of the processing chamber 4 and the coating chamber 5, respectively. The lower surface of the right long strip 33 is hinged to a support rod 32 with one end fixedly connected to the base plate 1, a group of hydraulic rods 31 are hinged on the base plate 1, and the output end of the hydraulic rod 31 is hinged to the left long strip 33, a slide plate 34 is slidably connected to the base plate 1, and a telescopic rod 35 with one end hinged to the processing chamber 4 is slidably connected to the slide plate 34, and a threaded rod 36 is rotatably connected to the telescopic rod 35 and the slide plate 34.

[0039] In this embodiment, when the slide plate 34 is fixed by rotating the threaded rod 36 on the slide plate 34, the activated hydraulic rod 31 can lift the processing chamber 4 and the coating chamber 5 to an inclined state to improve the discharge smoothness.

[0040] It should be noted that a sliding groove is provided on the base plate 1 for the sliding plate 34 to be slidably connected. The side of the sliding groove close to the sliding plate 34 is concave, and the side of the sliding plate 34 close to the inner wall of the sliding groove is convex, and the convex end of the sliding plate 34 is slidably connected to the concave end of the sliding groove to stabilize the sliding of the sliding plate 34.

[0041] Among them, the telescopic rod 35 is composed of a sleeve rod and a sliding rod. The sleeve rod is hinged on the slide plate 34, the sliding rod is slidably connected to the inner side of the sleeve rod, and the upper end of the sliding rod is hinged to the processing bin 4, so that the lifted processing bin 4 can pull the telescopic rod 35 to telescope. The outer side of the sliding rod and the inner side of the sliding groove are both provided with threaded grooves that are compatible with the outer threads of the threaded rod 36. The telescopic rod 35 and the slide plate 34 are supported and fixed by the threaded rod 36 rotated into the threaded groove.

[0042] In an optional embodiment, a storage part 7 for storing materials is provided on one side of the base plate 1, and the storage part 7 includes a storage bin 73 fixedly connected to one side of the base plate 1, a partition 76 fixedly connected to the inner side of the storage bin 73, a collection rack 74 is slidably connected between the inner wall of the storage bin 73 and the partition 76, a filter screen 77 is fixedly connected to the inner bottom wall of the collection rack 74, a fan 75 is fixedly installed on one side of the storage bin 73, the lower end of the processing bin 4 is connected to the ventilation bin 71, and the air inlet and outlet ends of the fan 75 are both connected to a ventilation pipe 72, one end of which is respectively connected to the ventilation bin 71 and the storage bin 73.

[0043] In this embodiment, the activated fan 75 can draw the debris and dust generated during the stirring process of the fertilizer into the collection rack 74 through the ventilation pipe 72 for filtration and storage, so as to facilitate the operator to subsequently centrally process the collected debris and dust.

[0044] It should be noted that a rectangular hole is provided on the back of the storage bin 73 for the collection rack 74 to slide, and a rectangular block for supporting the collection rack 74 is fixed to the inner bottom wall of the storage bin 73, so that the air blown into the collection rack 74 is discharged through the gap between the collection rack 74 and the storage bin 73.

[0045] In an optional embodiment, the material storage component 7 also includes a pump body 78 fixedly installed on the other side of the material storage bin 73, and the liquid outlet end of the pump body 78 is connected to a liquid delivery pipe 79 having one end connected to the top liquid guide bin 68, and the bottom liquid guide bin 68 is connected to a return pipe 710 having one end connected to the material storage bin 73. A filter block 712 is provided at one end of the return pipe 710 close to the bottom liquid guide bin 68. The return pipe 710 is composed of two sections of pipe fittings, and the ends of the pipe fittings at both ends close to the filter block 712 are docked and fixed with bolts through conventional flanges, and the filter block 712 is installed between the flanges.

[0046] In this embodiment, excess coating liquid after coating can be filtered through the bottom liquid guide tank 68, the return pipe 710, and the filter block 712 on the return pipe 710 and then flow into the storage bin 73 for reuse.

[0047] It should be noted that a valve 711 is provided at one end of the return pipe 710 close to the bottom liquid guide chamber 68 and at the end of the coating chamber 5 away from the processing chamber 4. The end of the coating chamber 5 away from the processing chamber 4 is conical, and the valve 711 on the coating chamber 5 is provided at the conical end of the coating chamber 5. The valve 711 is a solenoid valve. One end of the right inner cylinder 63 and one end of the sleeve 69 are supported on the inner wall of the coating chamber 5 by a fan-shaped plate.

[0048] The ventilation pipe 72, the liquid supply pipe 79 and the return pipe 710 are all hoses, so that the ventilation pipe 72, the liquid supply pipe 79 and the return pipe 710 can move with the lifting of the processing chamber 4 and the coating chamber 5, and the control box 2 is electrically connected to the hydraulic rod 31, the motor 61, the fan 75, the pump body 78 and the valve 711 respectively, and the opening and closing of the hydraulic rod 31, the motor 61, the fan 75, the pump body 78 and the valve 711 are controlled by the control box 2. The power supply method of the control box 2, the hydraulic rod 31, the motor 61, the fan 75, the pump body 78 and the valve 711 is all powered by AC power, and the power supply method of AC power is an existing conventional power supply method, which will not be repeated in the text.

[0049] The working principle in the above embodiment is:

[0050] The fertilizer to be processed is fed into the left inner drum 63 through the feed hopper 62 on the processing chamber 4, and the motor 61 is activated to drive the rotating shaft 65 to rotate. The fertilizer in the left inner drum 63 is stirred and broken up by the rotating shaft 65 and the stirring rod 66 on the left inner drum 63 to reduce the clumping of fertilizer. In the stirring and breaking process, the generated debris and dust are pumped by the activated fan 75 through the left filter hole 64, the ventilation chamber 71 and the ventilation pipe 72 to the collection rack 74, where they are filtered and blocked by the filter screen 77.

[0051] After the fertilizer is stirred and screened for a period of time, the threaded rod 36 on the telescopic rod 35 is loosened by starting the hydraulic rod 31 to fix the threaded rod 36 on the slide 34, so as to push the processing bin 4 and the coating bin 5 to lift and tilt, so that the stirred and screened fertilizer flows into the inner cylinder 63 of the coating bin 5, and then the pump body 78 is started to pump the coating liquid into the right inner cylinder 63 to spray the fertilizer with the coating liquid. After the rotating shaft 65 drives the sleeve 69 to rotate through the connecting block 67, the guide plate 610 rotating with the sleeve 69 can divide and guide the fertilizer during coating, and the coating liquid transported by the top liquid guide bin 68 is evenly sprayed. After coating, the excess coating liquid is filtered and returned to the storage bin 73 through the bottom liquid guide bin 68 and the reflux pipe 710, and the valve 711 on the coating bin 5 can be opened to discharge the processed fertilizer.

[0052] The threaded rod 36 on the telescopic rod 35 is rotated to fix the telescopic rod 35, and the activated hydraulic rod 31 can push the processing chamber 4 and the coating chamber 5 to separate, thereby improving the convenience of the operator in cleaning the parts in the processing chamber 4 and the coating chamber 5.

[0053] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fertilizer coating machine that is easy to clean, comprising a bottom plate (1), characterized in that: A processing chamber (4) and a coating chamber (5) for fertilizer processing are respectively provided on the bottom plate (1), and processing components (6) are provided on the processing chamber (4) and the coating chamber (5); The processing part (6) includes a motor (61) fixedly mounted on one side of the processing bin (4), the inner sides of the processing bin (4) and the coating bin (5) are fixedly connected to an inner cylinder (63), the processing bin (4) is fixedly connected to a feed hopper (62) with one end penetrating the left inner cylinder (63), the inner side of the coating bin (5) is rotatably connected to a sleeve (69), the output shaft of the motor (61) is fixedly connected to a rotating shaft (65) with one end penetrating and extending to the inner side of the sleeve (69), the outer side of the rotating shaft (65) is fixedly connected to a connecting block (67) with one end extending to the inside of the sleeve (69), the inner wall of the inner cylinder (63) is provided with a filter hole (64), the outer side of the rotating shaft (65) and the inner wall of the left inner cylinder (63) are fixedly connected to a plurality of stirring rods (66), the outer side of the sleeve (69) is fixedly connected to a plurality of guide plates (610), and the upper and lower sides of the coating bin (5) are both connected to a liquid guide bin (68); A support member (3) for supporting the processing chamber (4) and the coating chamber (5) is provided on the bottom plate (1); A material storage piece (7) for storing materials is provided on one side of the bottom plate (1).

2. The easy-to-clean fertilizer coating machine according to claim 1, characterized in that: The inner wall of the sleeve (69) is provided with a rectangular groove adapted to the connecting block (67), the stirring rods (66) on the left inner cylinder (63) are equidistantly distributed in a fan-shaped manner, the stirring rods (66) on the rotating shaft (65) are equidistantly distributed in a ring-shaped manner, and the stirring rods (66) on the left inner cylinder (63) and the stirring rods (66) on the rotating shaft (65) are staggered left and right.

3. The easy-to-clean fertilizer coating machine according to claim 1, characterized in that: The filter holes (64) on the left inner cylinder (63) are distributed in a fan-shaped manner below the left inner cylinder (63), and the filter holes (64) on the right inner cylinder (63) are distributed in an annular manner with equal spacing.

4. The easy-to-clean fertilizer coating machine according to claim 1, characterized in that: The support member (3) includes two groups of long strips (33) fixedly connected to the front and rear sides of the processing chamber (4) and the coating chamber (5), respectively. The lower surface of the right long strip (33) is hinged to a support rod (32) with one end fixedly connected to the bottom plate (1). A group of hydraulic rods (31) are hinged on the bottom plate (1), and the output end of the hydraulic rod (31) is hinged to the left long strip (33). A slide plate (34) is slidably connected to the bottom plate (1), and a telescopic rod (35) with one end hinged to the processing chamber (4) is slidably connected to the slide plate (34). A threaded rod (36) is rotatably connected to both the telescopic rod (35) and the slide plate (34).

5. The easy-to-clean fertilizer coating machine according to claim 4, characterized in that: The bottom plate (1) is provided with a slide groove for sliding connection of the slide plate (34), the telescopic rod (35) is composed of a sleeve rod and a slide rod, the sleeve rod is hinged on the slide plate (34), the slide rod is slidably connected to the inner side of the sleeve rod, and the upper end of the slide rod is hinged to the processing chamber (4), and the outer side of the slide rod and the inner side of the slide groove are provided with thread grooves adapted to the outer threads of the threaded rod (36).

6. The easy-to-clean fertilizer coating machine according to claim 1, characterized in that: The material storage member (7) includes a material storage bin (73) fixedly connected to one side of the bottom plate (1), a partition (76) fixedly connected to the inner side of the material storage bin (73), a collecting rack (74) slidably connected between the inner wall of the material storage bin (73) and the partition (76), a filter (77) fixedly connected to the inner bottom wall of the collecting rack (74), a fan (75) fixedly installed on one side of the material storage bin (73), the lower end of the processing bin (4) is connected to the ventilation bin (71), and the air inlet end and the air outlet end of the fan (75) are both connected to a ventilation pipe (72) whose ends are respectively connected to the ventilation bin (71) and the material storage bin (73).

7. The easy-to-clean fertilizer coating machine according to claim 6, characterized in that: The material storage member (7) further comprises a pump body (78) fixedly mounted on the other side of the material storage bin (73); the liquid outlet end of the pump body (78) is connected to a liquid delivery pipe (79) having one end connected to the top liquid guide bin (68); the bottom liquid guide bin (68) is connected to a return pipe (710) having one end connected to the material storage bin (73); a filter block (712) is provided at one end of the return pipe (710) close to the bottom liquid guide bin (68); a valve (711) is provided at one end of the return pipe (710) close to the bottom liquid guide bin (68) and at one end of the coating bin (5) away from the processing bin (4); and the ventilation pipe (72), the liquid delivery pipe (79) and the return pipe (710) are all hoses.

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