Organic fertilizer crushing device capable of adjusting crushing degree

Abstract

The utility model provides an organic fertilizer crushing device capable of adjusting the crushing degree, which belongs to the technical field of organic fertilizer crushing and comprises a mounting frame, a crushing cylinder, a sealing cover plate, a plurality of rotating shafts, a transmission sleeve, a plurality of adjusting rod groups, a locking piece and a driving mechanism, the crushing cylinder is mounted on the mounting frame and is provided with a feed port, a discharge port and an adjusting opening, the rotating shaft is mounted in the crushing cylinder and is provided with a first transmission surface, the plurality of transmission sleeves are arranged up and down and are provided with second transmission surfaces, and blades are arranged on the transmission sleeves; the lengths of the adjusting rods in different adjusting rod groups are different, and the adjusting rods are mounted between the two transmission sleeves; the locking pieces are installed on the adjusting rods, and the driving mechanism is in transmission connection with the upper end of the rotating shaft. According to the organic fertilizer smashing device capable of adjusting the smashing degree, the distance between every two adjacent transmission sleeves is changed, fixing is conducted through the adjusting rods, the locking pieces and the like, so that the effect of adjusting the distance between the blades is achieved, and then organic fertilizers with different finenesses are effectively and stably produced.

Description

Technical Field

[0001] The utility model belongs to the technical field of organic fertilizer crushing, and more specifically relates to an organic fertilizer crushing device with adjustable crushing degree. Background Art

[0002] Organic fertilizer refers to fertilizer made from organic matter-rich byproducts such as animal excrement or plant and animal residues, which are fermented and decomposed as the main raw materials. Organic fertilizer has the characteristics of improving soil, improving soil fertility, increasing soil nutrient activity, purifying the soil ecological environment, and ensuring high-quality, high-yield, and high-efficiency vegetables. It is an irreplaceable fertilizer for greenhouse vegetable cultivation. Organic fertilizer needs to be effectively crushed by a crusher before it can be used. However, the fineness requirements for different organic fertilizers vary, so crushers are needed to produce organic fertilizers of different finenesses. At present, when crushing organic fertilizers using a crusher, it is often only adjusted by changing parameters such as the speed of the rotating shaft. However, this operation method has a poor effect on adjusting the fineness of the organic fertilizer, and may even cause it to fail to crush. Utility Model Content

[0003] The purpose of the utility model is to provide an organic fertilizer pulverizing device with adjustable pulverizing degree, so as to solve the technical problem that the crusher in the prior art has a poor effect on the pulverizing fineness of organic fertilizer.

[0004] To achieve the above object, the technical solution adopted by the present invention is to provide an organic fertilizer crushing device with adjustable crushing degree, comprising:

[0005] Mounting rack;

[0006] A grinding cylinder is fixedly mounted on the mounting frame; the grinding cylinder is provided with a feed port at the upper end, a discharge port at the lower end, and an adjustment opening on the outer surface;

[0007] A closing cover is installed on one side of the adjustment opening, and one end of the closing cover is rotatably connected to the outer surface of the pulverizing cylinder; the closing cover is used to close or open the adjustment opening;

[0008] A rotating shaft is installed in the pulverizing cylinder, with its upper end located above the pulverizing cylinder; a first transmission surface is provided on the rotating shaft, and the first transmission surface is arranged along the length direction of the rotating shaft;

[0009] There are multiple transmission sleeves, each of which is mounted on the rotating shaft and has the freedom to move up and down; the multiple transmission sleeves are arranged in sequence up and down; the inner wall of the transmission sleeve is provided with a second transmission surface that is mounted in conjunction with the first transmission surface, and the outer wall of the transmission sleeve is provided with a plurality of blades extending radially outward;

[0010] There are multiple adjustment rod groups, and the lengths of the adjustment rods in different groups are different; the adjustment rods are installed between two adjacent transmission sleeves;

[0011] A locking member, mounted on each of the adjusting rods, for fixedly connecting the adjusting rod and the transmission sleeve;

[0012] The driving mechanism is installed on the pulverizing cylinder and is in transmission connection with the upper end of the rotating shaft.

[0013] In a possible implementation, adjacent transmission sleeves are provided with connecting holes that penetrate and are coaxially arranged, and the adjusting rod is provided with two limit flanges arranged axially at intervals, and the two limit flanges are respectively used to abut against the lower end surface of the transmission sleeve located on the upper side and the upper end surface of the transmission sleeve located on the lower side; the upper end and the lower end of the adjusting rod respectively pass through the two adjacent transmission sleeves arranged up and down, and the upper and lower ends of the adjusting rod are fixedly connected to the locking member.

[0014] In a possible implementation, the adjusting rod is provided with an external thread section, and the locking member includes a nut threadedly connected to the external thread section.

[0015] In a possible implementation, the external thread section is composed of two sections, which are respectively located on the upper and lower sides of the adjusting rod. A polished rod section is provided between the two external thread sections, and the limiting flanges are located at the upper and lower ends of the polished rod section.

[0016] In a possible implementation, two adjacent adjustment rods are arranged in an axial direction of the rotation shaft in a staggered manner.

[0017] In a possible implementation, the organic fertilizer pulverizing device with adjustable pulverization degree further includes:

[0018] A support platform is fixedly mounted on the lower side of the rotating shaft and is located below the first transmission surface; the support platform corresponds to the limiting flange;

[0019] The positioning rod is arranged between the support platform and the limiting flange on the transmission sleeve below, and its two ends are connected to the support platform and the limiting flange, and are fixedly connected using the locking member.

[0020] In one possible implementation, an annular groove is provided on the rotating shaft, and the cross-section of the annular groove is square, the four bottom surfaces of the annular groove are the first transmission surfaces, a square hole is provided in the transmission sleeve, and the four inner walls of the square hole are the second transmission surfaces.

[0021] In a possible implementation, there are two adjustment openings and two closing cover plates, and they are symmetrically arranged on the pulverizing cylinder.

[0022] In one possible implementation, the mounting frame is a frame structure, and a mounting opening is provided on the upper end face and a through opening is provided on the side face. A mounting flange and a conical cylinder section located below the mounting flange are provided on the outer surface of the crushing cylinder. The crushing cylinder passes through the mounting opening and the mounting flange is installed on the mounting frame, and the conical cylinder section is located inside the mounting frame, and the discharge port is provided on the outer surface of the conical cylinder section.

[0023] In a possible implementation, the driving mechanism includes a driving motor, a driving wheel, a driven wheel, and a belt connected to the driving wheel and the driven wheel, and the driven wheel is mounted on the rotating shaft.

[0024] The beneficial effect of the organic fertilizer crushing device with adjustable crushing degree provided by the utility model is that: compared with the prior art, the organic fertilizer crushing device with adjustable crushing degree of the utility model, when in use, starts the driving mechanism to control the rotating shaft to rotate at high speed in the crushing cylinder, adds organic fertilizer from the feed port to the crushing cylinder, under the action of the first transmission surface and the second transmission surface, the rotating shaft drives the transmission sleeve and the blade to rotate, uses the blade to crush the organic fertilizer, and the crushed organic fertilizer passes through the discharge port and is discharged; when it is necessary to adjust the crushing fineness of the crushing device, selects the adjustment rod of the required size, shuts down the driving mechanism and opens the closed cover, the staff adjusts the spacing between two adjacent transmission sleeves, and installs the adjustment rod between the two transmission sleeves, and uses the locking piece to fix the adjustment rod to the corresponding two transmission sleeves together, thereby achieving the purpose of changing the blade spacing and making the blade adjust the crushing fineness of the organic fertilizer. In this way, the spacing between the two adjacent transmission sleeves is changed and fixed with the help of the adjustment rod, the locking piece, etc. to achieve the effect of adjusting the blade spacing, thereby effectively and stably producing organic fertilizers of different finenesses. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments or descriptions of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0026] Figure 1 Schematic diagram of the structure of the organic fertilizer crushing device with adjustable crushing degree provided by the embodiment of the utility model Figure 1 ;

[0027] Figure 2 A schematic diagram of the connection between the rotating shaft, the transmission sleeve, and the adjusting rod provided in an embodiment of the present utility model;

[0028] Figure 3A schematic diagram of the connection between the adjusting rod and the locking member provided in an embodiment of the present utility model;

[0029] Figure 4 A schematic diagram of the connection between the transmission sleeve and the rotating shaft provided in an embodiment of the present utility model;

[0030] Figure 5 Schematic diagram of the structure of the organic fertilizer crushing device with adjustable crushing degree provided by the embodiment of the utility model Figure 2 .

[0031] Among them, the reference numerals in the figures are:

[0032] 1. Mounting frame; 2. Crushing cylinder; 21. Feed inlet; 22. Discharge outlet; 23. Adjustment opening; 24. Mounting flange; 25. Conical cylinder section; 3. Closing cover; 4. Rotating shaft; 41. First transmission surface; 42. Support platform; 43. Positioning rod; 44. Annular groove; 45. Blade; 5. Transmission sleeve; 51. Second transmission surface; 52. Connecting hole; 53. Square hole; 6. Adjustment rod; 61. Limiting flange; 62. External thread section; 63. Polished rod section; 7. Locking piece; 71. Nut; 8. Driving mechanism; 81. Driving motor; 82. Driving wheel; 83. Driven wheel; 84. Belt. DETAILED DESCRIPTION

[0033] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0034] It should be noted that when an element is referred to as being “fixed on” or “disposed on” another element, it may be directly on the other element or indirectly on the other element. When an element is referred to as being “connected to” another element, it may be directly connected to the other element or indirectly connected to the other element.

[0035] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0036] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of this utility model, "plurality" means two or more, unless otherwise specifically defined.

[0037] See also Figures 1 to 5 , the organic fertilizer crushing device with adjustable crushing degree provided by the utility model is now described. An organic fertilizer crushing device with adjustable crushing degree includes a mounting frame 1, a crushing cylinder 2, a closing cover 3, a rotating shaft 4, a transmission sleeve 5, an adjusting rod group, a locking member 7, and a driving mechanism 8; the crushing cylinder 2 is fixedly mounted on the mounting frame 1; the crushing cylinder 2 is provided with a feed port 21 at the upper end, a discharge port 22 at the lower end, and an adjusting opening 23 on the outer surface; the closing cover 3 is mounted on one side of the adjusting opening 23, and one end is rotatably connected to the outer surface of the crushing cylinder 2; the closing cover 3 is used to close or open the adjusting opening 23; the rotating shaft 4 is mounted in the crushing cylinder 2, and the upper end is located above the crushing cylinder 2; the rotating shaft 4 is provided with a first transmission surface 41, and the first The transmission surface 41 is arranged along the length direction of the rotating shaft 4; there are multiple transmission sleeves 5, all of which are mounted on the rotating shaft 4 and have the freedom to move up and down; multiple transmission sleeves 5 are arranged in sequence up and down; the inner wall of the transmission sleeve 5 is provided with a second transmission surface 51 that is installed in coordination with the first transmission surface 41, and the outer wall of the transmission sleeve 5 is provided with multiple blades 45 extending radially outward; there are multiple adjusting rod groups, and the lengths of the adjusting rods 6 in different groups are different; the adjusting rod 6 is installed between two adjacent transmission sleeves 5; a locking member 7 is installed on each adjusting rod 6 for fixedly connecting the adjusting rod 6 and the transmission sleeve 5; a driving mechanism 8 is installed on the crushing cylinder 2 and is transmission-connected to the upper end of the rotating shaft 4.

[0038] The organic fertilizer crushing device with adjustable crushing degree provided by the utility model, compared with the prior art, when in use, the driving mechanism 8 is started to control the rotating shaft 4 to rotate at high speed in the crushing cylinder 2, the organic fertilizer is added to the crushing cylinder 2 from the feed port 21, under the action of the first transmission surface 41 and the second transmission surface 51, the rotating shaft 4 drives the transmission sleeve 5 and the blade 45 to rotate, and the organic fertilizer is crushed by the blade 45, and the crushed organic fertilizer is discharged through the discharge port 22; when it is necessary to adjust the crushing fineness of the crushing device, the adjusting rod 6 of the required size is selected, the driving mechanism 8 is turned off and the closing cover 3 is opened, the staff adjusts the spacing between the two adjacent transmission sleeves 5, and the adjusting rod 6 is installed between the two transmission sleeves 5, and the adjusting rod 6 is fixedly connected to the corresponding two transmission sleeves 5 using the locking member 7, so as to achieve the purpose of changing the spacing between the blades 45 and the effect of adjusting the crushing fineness of the organic fertilizer by the blade 45. In this way, the spacing between the two adjacent transmission sleeves 5 is changed and fixed by the adjusting rod 6, the locking member 7, etc. to achieve the effect of adjusting the spacing between the blades 45, thereby effectively and stably producing organic fertilizers of different finenesses.

[0039] The adjusting rod group is usually provided with two or three groups to realize the processing of two or three kinds of organic fertilizer fineness. When it is necessary to produce organic fertilizer of different fineness, the original adjusting rod 6 is disassembled and connected, and the adjusting rod 6 corresponding to the required organic fertilizer fineness is replaced.

[0040] See also Figures 1 to 3 As a specific embodiment of the organic fertilizer crushing device with adjustable crushing degree provided by the utility model, adjacent transmission sleeves 5 are provided with connecting holes 52 that penetrate and are coaxially arranged, and the adjusting rod 6 is provided with two limiting flanges 61 arranged at intervals along the axial direction. The two limiting flanges 61 are respectively used to abut against the lower end surface of the transmission sleeve 5 on the upper side and the upper end surface of the transmission sleeve 5 on the lower side; the upper and lower ends of the adjusting rod 6 respectively pass through the two adjacent transmission sleeves 5 arranged up and down, and the upper and lower ends of the adjusting rod 6 are fixedly connected to the locking member 7; specifically, A connecting hole 52 is opened on the transmission sleeve 5, and the two adjacent transmission sleeves 5 above and below are provided with a coaxially arranged connecting hole 52, and two limiting flanges 61 are provided on the adjusting rod 6; therefore, when connecting two adjacent transmission sleeves 5, the adjusting rod 6 is first installed between the two transmission sleeves 5, and the two limiting flanges 61 are respectively abutted on the two transmission sleeves 5 to make the connection between the two transmission sleeves 5 stable; the two limiting flanges 61 are respectively installed on the upper and lower halves of the adjusting rod 6 to ensure that the upper and lower ends of the adjusting rod 6 pass through the upper and lower transmission sleeves 5 respectively.

[0041] See also Figures 1 to 3As a specific embodiment of the organic fertilizer pulverizing device with adjustable pulverization degree provided by the utility model, the adjusting rod 6 is provided with an external thread section 62, and the locking member 7 includes a nut 71 threadedly connected to the external thread section 62; specifically, the adjusting rod 6 and the transmission sleeve 5 are locked and fixed by a threaded connection; external thread sections 62 are provided on the upper and lower side surfaces of the adjusting rod 6, and the external thread sections 62 on the upper and lower sides of the adjusting rod 6 are respectively inserted into the corresponding connecting holes 52, and are both located outside the connecting holes 52, and finally are locked and fixed using the nut 71.

[0042] See also Figure 2 and Figure 3 As a specific embodiment of the organic fertilizer crushing device with adjustable crushing degree provided by the utility model, the external thread section 62 is divided into two sections and is respectively located on the upper and lower sides of the adjusting rod 6. A polished rod section 63 is provided between the two external thread sections 62, and the limiting flanges 61 are located at the upper and lower ends of the polished rod section 63; when using the adjusting rod 6, the staff holds the polished rod section 63, and the upper and lower external thread sections 62 are respectively inserted into the connecting holes 52 in the adjacent two transmission sleeves 5, and then the nut 71 is screwed on the external thread section 62 to fix the adjusting rod 6 and the transmission sleeve 5.

[0043] See also Figure 1 As a specific embodiment of the organic fertilizer crushing device with adjustable crushing degree provided by the utility model, two adjacent adjusting rods 6 are staggered along the axial direction of the rotating shaft 4; in this way, the installation of the two adjacent adjusting rods 6 will not interfere with each other, the radial size of the transmission sleeve 5 is reduced, and the installation is more convenient.

[0044] See also Figure 1As a specific embodiment of the organic fertilizer pulverizing device with adjustable crushing degree provided by the utility model, the organic fertilizer pulverizing device with adjustable crushing degree also includes a support platform 42 and a positioning rod 43. The support platform 42 is fixedly installed on the lower side of the rotating shaft 4 and is located below the first transmission surface 41; the support platform 42 corresponds to the limiting flange 61; the positioning rod 43 is arranged between the support platform 42 and the limiting flange 61 on the transmission sleeve 5 below, and the two ends are connected to the support platform 42 and the limiting flange 61, and are fixedly connected using a locking member 7. The support platform 42 is located directly below the lowest transmission sleeve 5. After the multiple transmission sleeves 5 are fixedly connected together using multiple adjustment rods 6 and multiple locking members 7, the multiple transmission sleeves 5 are manipulated to move upward, and the top transmission sleeve 5 is limited to abut against the upper side of the annular groove 44. Then, a positioning rod 43 is installed between the support platform 42 and the lowest transmission sleeve 5, and the upper and lower ends of the positioning rod 43 are respectively fixedly connected to the support platform 42 and the lowest transmission sleeve 5, thereby achieving the positioning of the multiple transmission sleeves 5 in the length direction of the rotating shaft 4. Specifically, the upper and lower ends of the positioning rod 43 are provided with external threads, the support platform 42 is provided with a connecting hole 52, and the locking member 7 is a nut 71.

[0045] See also Figure 1 、 Figure 2 and Figure 4 As a specific embodiment of the organic fertilizer pulverizing device with adjustable pulverization degree provided by the present invention, the rotating shaft 4 is provided with an annular groove 44 with a square cross-section. The four bottom surfaces of the annular groove 44 serve as first transmission surfaces 41. The transmission sleeve 5 is provided with a square hole 53, and the four inner walls of the square hole 53 serve as second transmission surfaces 51. In this manner, the four first transmission surfaces 41 and the four second transmission surfaces 51 are mated together to ensure more stable and reliable torque transmission from the rotating shaft 4 to the transmission sleeve 5. Furthermore, the transmission sleeve 5 slides up and down more smoothly within the annular groove 44 of the rotating shaft 4, and the side surfaces of the annular groove 44 also serve as a limiter for the transmission sleeve 5.

[0046] See also Figure 1 and Figure 5 As a specific embodiment of the organic fertilizer pulverizing device with adjustable pulverization degree provided by the utility model, there are two adjustment openings 23 and two closing cover plates 3, which are symmetrically arranged on the pulverizing cylinder 2; therefore, when changing the distance between two adjacent transmission sleeves 5, the staff can operate through the two adjustment openings 23, and the adjustment work is more convenient and quick.

[0047] See also Figure 1 and Figure 5As a specific embodiment of the organic fertilizer pulverizing device with adjustable crushing degree provided by the present invention, the mounting frame 1 is a frame structure with a mounting opening on the upper end surface and a through-opening on the side. The outer surface of the crushing cylinder 2 is provided with a mounting flange 24 and a conical barrel section 25 located below the mounting flange 24. The crushing cylinder 2 penetrates the mounting opening and is mounted on the mounting frame 1 with the mounting flange 24. The conical barrel section 25 is located within the mounting frame 1, and the discharge port 22 is located on the outer surface of the conical barrel section 25. When the crushing cylinder 2 is installed, the conical barrel section 25 on the lower side of the crushing cylinder 2 passes through the mounting opening and enters the mounting frame 1. Thanks to the structure of the conical barrel section 25, the crushed organic fertilizer can be smoothly and quickly passed through the discharge port 22 and discharged from the crushing cylinder 2. The mounting frame 1 has a stable structure and does not affect the conical barrel section 25.

[0048] See also Figure 1 and Figure 5 As a specific embodiment of the organic fertilizer pulverizing device with adjustable pulverization degree provided by the present invention, the drive mechanism 8 includes a drive motor 81, a driving pulley 82, a driven pulley 83, and a belt 84 connecting the driving pulley 82 and the driven pulley 83. The driven pulley 83 is mounted on the rotating shaft 4. When the drive motor 81 is activated, the driving pulley 82 rotates, and the power is transmitted to the driven pulley 83 via the belt 84, causing the driven pulley 83 to rotate at a high speed, thereby driving the movement of the rotating shaft 4. The radial dimension of the driving pulley 82 is smaller than that of the driven pulley 83, achieving the purpose of speed reduction.

[0049] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An organic fertilizer crushing device with adjustable crushing degree, characterized in that: include: Mounting rack; A grinding cylinder is fixedly mounted on the mounting frame; the grinding cylinder is provided with a feed port at the upper end, a discharge port at the lower end, and an adjustment opening on the outer surface; A closing cover is installed on one side of the adjustment opening, and one end of the closing cover is rotatably connected to the outer surface of the pulverizing cylinder; the closing cover is used to close or open the adjustment opening; A rotating shaft is installed in the pulverizing cylinder, with its upper end located above the pulverizing cylinder; a first transmission surface is provided on the rotating shaft, and the first transmission surface is arranged along the length direction of the rotating shaft; There are multiple transmission sleeves, each of which is mounted on the rotating shaft and has the freedom to move up and down; the multiple transmission sleeves are arranged in sequence up and down; the inner wall of the transmission sleeve is provided with a second transmission surface that is mounted in conjunction with the first transmission surface, and the outer wall of the transmission sleeve is provided with a plurality of blades extending radially outward; There are multiple adjustment rod groups, and the lengths of the adjustment rods in different groups are different; the adjustment rods are installed between two adjacent transmission sleeves; A locking member, mounted on each of the adjusting rods, for fixedly connecting the adjusting rod and the transmission sleeve; The driving mechanism is installed on the pulverizing cylinder and is in transmission connection with the upper end of the rotating shaft.

2. The organic fertilizer crushing device with adjustable crushing degree according to claim 1, characterized in that: The adjacent transmission sleeves are each provided with a connecting hole that is penetrated and coaxially arranged, and the adjusting rod is provided with two limit flanges arranged axially at intervals, and the two limit flanges are respectively used to abut against the lower end surface of the transmission sleeve located on the upper side and the upper end surface of the transmission sleeve located on the lower side; the upper end and the lower end of the adjusting rod respectively pass through the two adjacent transmission sleeves arranged up and down, and the upper and lower ends of the adjusting rod are fixedly connected to the locking member.

3. The organic fertilizer crushing device with adjustable crushing degree according to claim 2, characterized in that: The adjusting rod is provided with an external thread section, and the locking member comprises a nut threadably connected to the external thread section.

4. The organic fertilizer crushing device with adjustable crushing degree according to claim 3, characterized in that: The external thread section is composed of two sections, which are respectively located at the upper and lower sides of the adjusting rod. A polished rod section is provided between the two external thread sections, and the limiting flanges are located at the upper and lower ends of the polished rod section.

5. The organic fertilizer crushing device with adjustable crushing degree according to claim 2, characterized in that: Two adjacent adjusting rods are arranged alternately along the axial direction of the rotating shaft.

6. The organic fertilizer crushing device with adjustable crushing degree according to claim 2, characterized in that: The organic fertilizer pulverizing device with adjustable pulverization degree also includes: A support platform is fixedly mounted on the lower side of the rotating shaft and is located below the first transmission surface; the support platform corresponds to the limiting flange; The positioning rod is arranged between the support platform and the limiting flange on the transmission sleeve below, and its two ends are connected to the support platform and the limiting flange, and are fixedly connected using the locking member.

7. The organic fertilizer crushing device with adjustable crushing degree according to claim 1, characterized in that: An annular groove is provided on the rotating shaft, and the cross section of the annular groove is square. The four bottom surfaces of the annular groove are the first transmission surfaces. A square hole is provided in the transmission sleeve, and the four inner walls of the square hole are the second transmission surfaces.

8. The organic fertilizer crushing device with adjustable crushing degree according to claim 1, characterized in that: There are two regulating openings and two closing cover plates, which are symmetrically arranged on the pulverizing cylinder.

9. The organic fertilizer crushing device with adjustable crushing degree according to claim 1, characterized in that: The mounting frame is a frame structure, and a mounting port is provided on the upper end face and a through port is provided on the side face. A mounting flange and a conical cylinder section located below the mounting flange are provided on the outer side face of the crushing cylinder. The crushing cylinder passes through the mounting port and the mounting flange is installed on the mounting frame. The conical cylinder section is located inside the mounting frame, and the discharge port is provided on the outer side face of the conical cylinder section.

10. The organic fertilizer crushing device with adjustable crushing degree according to claim 1, characterized in that: The driving mechanism includes a driving motor, a driving wheel, a driven wheel and a belt connected to the driving wheel and the driven wheel, and the driven wheel is installed on the rotating shaft.

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