Mixing apparatus for agricultural fertilizer production

Abstract

The application discloses a mixing device for agricultural fertilizer production and belongs to the technical field of fertilizer mixing. The device comprises a mixing bin, a hollow stirring shaft coaxially connected to the bottom of the mixing bin, and a driving motor arranged at the top of the mixing bin and used for driving the stirring shaft to rotate. A plurality of alternately distributed mounting seats and blades are fixedly connected to the stirring shaft along the axial direction of the stirring shaft, wherein the mounting seat at the bottom end is provided. A plurality of sleeves are fixed to the peripheral side of each mounting seat. A sliding rod is coaxially and slidably connected to each sleeve. An elastic reset member is arranged between the sliding rod and the sleeve. A scraping structure is arranged at the other end of the sliding rod and used for scraping the inner wall of the mixing bin. A supporting shaft is coaxially arranged in the stirring shaft. A plurality of annular blocks are coaxially fixed to the supporting shaft and opposite to the mounting seats. The device aims to solve the problem that materials are easily accumulated at the bottom of the device during the fertilizer mixing process, resulting in poor fertilizer mixing uniformity and nutrient stratification.

Description

Technical Field

[0001] This invention belongs to the field of fertilizer mixing technology, specifically relating to mixing equipment for agricultural fertilizer production. Background Technology

[0002] Compound fertilizer refers to two or more single-element fertilizers, compound fertilizers, or blended fertilizers with different nutrient contents, particle shapes, and chemical properties, which are thoroughly mixed in a predetermined scientific ratio using specialized mechanical mixing equipment to produce a finished fertilizer product that meets specific needs and is used to improve soil properties and increase soil fertility.

[0003] Currently available mixing equipment for fertilizer production uses a stirring shaft and blades to stir and mix materials. However, in the actual material mixing process, due to the gap between the blades and the equipment, materials tend to accumulate at the bottom of the equipment. This not only results in poor fertilizer mixing uniformity and nutrient separation, but also causes material residue and waste, requiring frequent manual cleaning, which greatly reduces the efficiency and quality of fertilizer formulation and production. Summary of the Invention

[0004] In view of this, the present invention discloses a mixing device for agricultural fertilizer production, the purpose of which is to solve the problem that materials tend to accumulate at the bottom of the device during the fertilizer mixing process, resulting in poor fertilizer mixing uniformity and nutrient separation.

[0005] To achieve the above objectives, the present invention provides the following technical solution: A mixing device for agricultural fertilizer production includes a mixing chamber. A hollow stirring shaft is coaxially rotatably connected to the bottom of the mixing chamber, and a drive motor for rotating the stirring shaft is installed at the top of the mixing chamber. Several alternately distributed mounting seats and blades are fixedly connected to the stirring shaft along its axial direction, with the bottommost mounting seat being the mounting seat. Several sleeves facing the center of each mounting seat are fixed around its periphery. A sliding rod extending into the stirring shaft is coaxially slidably connected inside each sleeve. An elastic reset element is provided between the sliding rod and the sleeve. A scraping structure for scraping the inner wall of the mixing chamber is provided at the other end of each sliding rod. A support shaft connected to the bottom of the mixing chamber is coaxially installed inside the stirring shaft. Several annular blocks, each corresponding to a mounting seat, are coaxially fixed on the support shaft. Several fan-shaped grooves are formed around the periphery of each annular block. A feed inlet is provided at the top of the mixing chamber, and a discharge pipe is provided at the bottom of the mixing chamber.

[0006] In this design, during the rotation of the mixing shaft driven by the drive motor, when the sliding rod contacts the outer arc surface of the annular block, the sliding rod drives the scraping structure to contact the inner wall of the mixing chamber. As the mixing shaft revolves, it scrapes away fertilizer clumps and powder adhering to the inner wall of the mixing chamber, preventing material from sticking to the wall and accumulating. When the sliding rod contacts the groove on the annular block, the corresponding elastic reset component releases its elastic force, pulling the sliding rod back along the sleeve towards the axis of the mixing shaft. This causes the scraping structure to move inward, pushing the fertilizer near the inner wall of the mixing chamber towards the central blade area, allowing the material on the wall to enter the blade shearing and mixing range. This effectively prevents material from accumulating at the bottom of the equipment, improves fertilizer mixing, and prevents nutrient stratification and segregation in the fertilizer.

[0007] Furthermore, the sliding rod is hollow inside; the scraping structure includes an adjusting rod that slides coaxially inside the sliding rod, and each side wall of the sliding rod is provided with a mounting groove. The side walls of the mounting grooves are rotatably connected to a mounting shaft that is horizontal and perpendicular to the adjusting rod. Each mounting shaft is coaxially fixed with a reversing gear, which meshes with both the inner wall of the sleeve and the outer wall of the adjusting rod. The scraping structure also includes a scraper disposed at the end of the adjusting rod.

[0008] In this solution, the reversing gear linkage adjustment rod and sliding rod form a two-stage superimposed extension and retraction, which can significantly increase the total stroke of the scraper under the condition of limited radial dimensions of the support shaft and annular block, and expand the moving distance of the scraper. This allows the scraper to better push the material at the bottom and near the side wall of the mixing chamber to the shearing area of ​​the blade, effectively solving the problem of material accumulation at the bottom of the mixing chamber.

[0009] Furthermore, the scraper is hinged to the end of the adjusting rod in the middle, and a pull rod is hinged to the top of the scraper. A connecting seat is hinged to the other end of the pull rod. A guide block parallel to it is fixed on the upper side wall of the sleeve. The connecting seat is slidably connected to the corresponding guide block, and an elastic reset member is provided between the connecting seat and the guide block.

[0010] In this scheme, when the scraper moves with the adjusting rod, the guide seat and other structures drive the scraper to deflect. The deflection of the scraper stirs the light powder material gathered at the top of the mixing chamber and the heavy particles accumulated at the bottom of the mixing chamber in the vertical direction, promoting the cross-mixing of light and heavy materials and forming a stable vertical material convection, which further alleviates the problem of stratification and segregation in the fertilizer mixing process.

[0011] Furthermore, guide grooves are provided at both ends of the sidewall that the scraper is in contact with the inner wall of the mixing chamber, and the guide grooves are parallel to the scraper. An auxiliary plate is slidably connected to each guide groove on the same scraper. A sliding groove perpendicular to the scraper is provided at the opposite ends of the two guide grooves on the same scraper. The sliding groove penetrates the sidewall of the scraper away from the pull rod. An extrusion block with an end protruding from the sliding groove is slidably connected to each sliding groove on the same axis. The same elastic support is provided between the extrusion block and the sliding groove. An inclined connecting rod is hinged between the extrusion block and the adjacent auxiliary plate.

[0012] In this scheme, when the scraper moves towards the inner wall of the mixing chamber with the adjusting rod and approaches the inner wall, the outer end of the extrusion block first contacts the inner wall of the mixing chamber. Under the pressure of the inner wall of the mixing chamber, it overcomes the elastic force of the elastic support and retracts into the scraper along the sliding groove. The extrusion block then pushes the corresponding auxiliary plate along the guide groove to extend out of the scraper end face through the corresponding connecting rod. The auxiliary plate fills the height gap between the vertical adjacent layered scrapers, eliminating the blind spot of scraping the inner wall of the mixing chamber caused by the traditional layered scraper, so that the entire height of the inner wall of the mixing chamber can be continuously scraped. When the scraper retracts towards the stirring shaft with the adjusting rod and detaches from the inner wall of the mixing chamber, the extrusion block loses the extrusion force of the inner wall of the mixing chamber. The elastic support releases the elastic force and pushes the extrusion block to reset and extend outward along the sliding groove. The extrusion block then drives the auxiliary plate to reset and slide through the connecting rod, so that the auxiliary plate is housed in the guide groove and does not exceed the upper and lower edge contours of the scraper, avoiding rotational collision and interference with the stirring blades of the adjacent layer.

[0013] Furthermore, a planetary gear meshes between the inner wall of the stirring shaft and the outer wall of the support shaft, and the planetary gear is coaxially fixed to a rotating shaft, the bottom of which is rotatably connected to the bottom of the mixing chamber.

[0014] Furthermore, the arc-shaped grooves of the two adjacent annular blocks are arranged alternately along the circumferential direction.

[0015] Furthermore, the end of the extrusion block extending out of the sliding groove is rotatably equipped with ball bearings.

[0016] Other advantages, objectives, and features of the invention will be set forth in the following description and will be apparent to those skilled in the art in some respects, or may be learned by practice of the invention. The objectives and other advantages of the invention can be realized and obtained through the following description. Attached Figure Description

[0017] To make the objectives, technical solutions, and beneficial effects of this invention clearer, the following figures are provided for illustration: Figure 1 This is a schematic diagram of the structure of an embodiment of the present invention; Figure 2 for Figure 1 Enlarged view of point A in the middle; Figure 3 This is a longitudinal sectional view of an embodiment of the present invention; Figure 4 for Figure 3 Enlarged view of point B in the middle; Figure 5 for Figure 3 Enlarged diagram of point C in the middle.

[0018] The following components are labeled in the attached diagram: 1. Mixing chamber; 2. Stirring shaft; 3. Drive motor; 4. Mounting base; 5. Blade; 6. Sleeve; 7. Support shaft; 8. Annular block; 9. Feed inlet; 10. Discharge pipe; 11. Adjusting rod; 12. Mounting shaft; 13. Reversing gear; 14. Scraper; 15. Pull rod; 16. Connecting seat; 17. Guide block; 18. Elastic reset component; 19. Auxiliary plate; 20. Extrusion block; 21. Connecting rod; 22. Rotating shaft; 23. Planetary gear; 24. Ball bearing; 25. Sliding rod; 26. Elastic support component. Detailed Implementation

[0019] like Figures 1-5 As shown: A mixing device for agricultural fertilizer production includes a mixing chamber 1. A hollow stirring shaft 2 is coaxially rotatably connected to the bottom of the mixing chamber 1. A drive motor 3 for driving the stirring shaft 2 to rotate is installed at the top of the mixing chamber 1. Several alternately distributed mounting seats 4 and blades 5 are fixedly connected to the stirring shaft 2 along its axial direction, with the mounting seats 4 being the lowest. Several sleeves 6 facing the center of each mounting seat 4 are fixed around its periphery. A sliding rod 25 extending into the stirring shaft 2 is coaxially slidably connected inside each sleeve 6. Both the moving rod 25 and the sleeve 6 are provided with elastic reset members 18. The other end of the sliding rod 25 is provided with a scraping structure for scraping the inner wall of the mixing chamber 1. The stirring shaft 2 is coaxially provided with a support shaft 7 connected to the bottom of the mixing chamber 1. Several annular blocks 8 are coaxially fixed on the support shaft 7, which are directly opposite to the mounting base 4. Several grooves with a fan-shaped cross-section are opened on the periphery of the annular blocks 8, and the edges of the grooves are rounded. The top of the mixing chamber 1 is provided with a feed inlet 9, and the bottom of the mixing chamber 1 is provided with a discharge pipe 10.

[0020] In this scheme, the various fertilizer raw materials to be mixed are fed into the mixing chamber 1 through the feed inlet 9 at the top. The materials fall into the lower part of the mixing chamber 1, and the drive motor 3 starts, driving the stirring shaft 2 to rotate at a constant speed. Multiple sets of blades 5, which are fixed in layers on the stirring shaft 2, revolve synchronously with the shaft, shearing, tumbling, and mixing the fertilizer in the chamber, achieving the main mixing effect of the materials in the middle. During the rotation of the stirring shaft 2 driven by the drive motor 3, when the sliding rod 25 contacts the outer arc surface of the annular block 8, the sliding rod 25 drives the scraping structure to contact the inner wall of the mixing chamber 1. As the stirring shaft 2 revolves, it scrapes away the fertilizer clumps and powders adhering to the inner wall of the mixing chamber 1, preventing the materials from sticking to the wall and accumulating.

[0021] When the sliding rod 25 contacts the groove on the annular block 8, the corresponding elastic reset member 18 releases its elastic force, pulling the sliding rod 25 back along the sleeve 6 towards the axis of the stirring shaft 2, causing the scraping structure to move inward as a whole, pushing the fertilizer near the inner wall of the mixing chamber 1 towards the central blade 5 area, so that the material on the wall enters the shearing and mixing range of the blade 5; this can effectively prevent the material from accumulating at the bottom of the equipment, improve the fertilizer mixing degree, and prevent the nutrients in the fertilizer from separating into layers.

[0022] Furthermore, the sliding rod 25 is hollow inside; the scraping structure includes an adjusting rod 11 that slides coaxially inside the sliding rod 25, and mounting grooves are provided on the side walls of the sliding rod 25. The side walls of the mounting grooves are rotatably connected to mounting shafts 12 that are horizontal and perpendicular to the adjusting rod 11. Reversing gears 13 are coaxially fixed on the mounting shafts 12. The reversing gears 13 mesh with both the inner wall of the sleeve 6 and the outer wall of the adjusting rod 11. The scraping structure also includes a scraper 14 disposed at the end of the adjusting rod 11.

[0023] In this scheme, when the outer arc surface of the annular block 8 pushes the end of the sliding rod 25 outward, the sliding rod 25 overcomes the elastic force of the elastic reset member 18 and extends along the sleeve 6 toward the wall of the mixing chamber 1; the reversing gear 13 moves outward with the sliding rod 25 and rotates along the inner teeth of the sleeve 6, driving the adjusting rod 11 to extend outward in the same direction relative to the sliding rod 25 in sync; the scraper 14 moves outward with the adjusting rod 11 with the amplified total stroke, finally pressing the inner wall of the mixing chamber 1, and scraping off the fertilizer clumps and powder adhering to the wall of the mixing chamber 1 as the stirring shaft 2 revolves.

[0024] When the sliding rod 25 rotates with the stirring shaft 2 to the position of the arc-shaped groove corresponding to the annular block 8, the inner end of the sliding rod 25 loses the radial support of the outer arc surface, the elastic reset member 18 releases the elastic force, and pulls the sliding rod 25 back along the sleeve 6 towards the axis of the stirring shaft 2; the reversing gear 13 moves inward with the sliding rod 25 and rotates in the opposite direction, driving the adjusting rod 11 to retract further inward in the same direction relative to the sliding rod 25. The scraper 14 moves inward with the adjusting rod 11 with the enlarged total stroke, pushing the deposited material near the wall of the mixing chamber 1, especially the bottom edge of the mixing chamber 1, deeper into the area of ​​the middle blade 5, so that the heavy deposited material at the bottom can fully enter the shearing and mixing range of the lower blade 5, be tumbled and dispersed by the blade 5 and sucked upward, and improve the mixing effect of the material.

[0025] In this solution, the reversing gear 13 links the adjusting rod 11 and the sliding rod 25 to form a two-stage superimposed telescopic structure. Under the condition that the radial dimensions of the support shaft 7 and the annular block 8 are limited, the total stroke of the scraper 14 can be greatly increased, and the moving distance of the scraper 14 can be expanded. This allows the scraper 14 to better push the material at the bottom and near the side wall of the mixing chamber 1 to the shearing area of ​​the blade 5, effectively solving the problem of material accumulation at the bottom of the mixing chamber 1.

[0026] Furthermore, the scraper 14 is hinged to the end of the adjusting rod 11 in the middle, and a pull rod 15 is hinged to the top of the scraper 14. A connecting seat 16 is hinged to the other end of the pull rod 15. A guide block 17 parallel to it is fixed on the upper side wall of the sleeve 6. The connecting seat 16 is slidably connected to the corresponding guide block 17, and an elastic reset member 18 is provided between the connecting seat 16 and the guide block 17.

[0027] In this scheme, when the scraper 14 moves toward the inner wall of the mixing chamber 1 under the action of the adjusting rod 11, the resistance of the elastic reset member 18 causes the connecting seat 16 to lag behind the midpoint of the scraper 14. The angle between the pull rod 15 and the connecting seat 16 continuously changes. The pull rod 15 pulls the upper end of the scraper 14 to deflect toward the axis, causing the scraper 14 to deflect from an inclined state to a vertical state. When the scraper 14 deflects to the vertical state, the angle between the pull rod 15 and the connecting seat 16 is at its limit. The pull rod 15 only transmits axial thrust. The connecting seat 16 moves outward along the guide block 17 synchronously with the midpoint of the scraper 14. The scraper 14 maintains a vertical posture and moves toward the mixing chamber as a whole. 1. Inner wall translation: When the adjusting rod 11 drives the scraper 14 to retract towards the stirring shaft 2, the elastic reset member 18 releases its elastic force, pushing the connecting seat 16 to slide inward along the guide block 17. The scraper 14 maintains its vertical posture and moves inward as a whole, pushing the deposited material near the inner wall of the mixing chamber 1 towards the central stirring area. When the connecting seat 16 returns to its initial position inside the guide block 17 with the elastic reset member 18, the connecting seat 16 stops moving inward. The adjusting rod 11 continues to drive the scraper 14 to retract, and the pull rod 15 pushes the top of the scraper 14 in the opposite direction, forcing the scraper 14 to deflect in the opposite direction around the central hinge point and gradually return to its initial tilted state. Throughout the process, the deflection of the scraper 14 is used to vertically stir the light powder material gathered at the top of the mixing chamber 1 and the heavy particles accumulated at the bottom of the mixing chamber 1, promoting cross-mixing of light and heavy materials, forming stable vertical material convection, and further alleviating the stratification and segregation problem in the fertilizer mixing process.

[0028] Furthermore, guide grooves are provided at both ends of the sidewall of the scraper 14 that is in contact with the inner wall of the mixing chamber 1, and the guide grooves are parallel to the scraper 14. An auxiliary plate 19 is slidably connected to each guide groove on the same scraper 14. A sliding groove perpendicular to the scraper 14 is provided at the opposite ends of the two guide grooves on the same scraper 14. The sliding groove penetrates the sidewall of the scraper 14 away from the pull rod 15. An extrusion block 20 with its end extending out of the sliding groove is slidably connected to each sliding groove on the same sidewall. The same elastic support member 26 is provided between the extrusion block 20 and the sliding groove. An inclined connecting rod 21 is hinged between the extrusion block 20 and the adjacent auxiliary plate 19.

[0029] In this scheme, when the scraper 14 moves towards the inner wall of the mixing chamber 1 along the adjusting rod 11 and approaches the inner wall of the mixing chamber 1, the outer end of the extrusion block 20 first contacts the inner wall of the mixing chamber 1. It is then squeezed by the inner wall of the mixing chamber 1, overcoming the elastic force of the elastic support 26, and retracts along the sliding groove into the scraper 14. The extrusion block 20 then pushes the corresponding auxiliary plate 19 along the guide groove to extend from the end face of the scraper 14 via the corresponding connecting rod 21. The auxiliary plate 19 fills the height gap between vertically adjacent layered scrapers 14, eliminating the gap caused by traditional layered scrapers 14 in the mixing chamber 1. The wall scraping blind zone allows the entire height of the inner wall of the mixing chamber 1 to be continuously scraped. When the scraper 14 retracts towards the stirring shaft 2 with the adjusting rod 11 and disengages from the inner wall of the mixing chamber 1, the extrusion block 20 loses the extrusion force of the inner wall of the mixing chamber 1. The elastic support 26 releases its elastic force to push the extrusion block 20 to reset and extend outward along the sliding groove. The extrusion block 20 then drives the auxiliary plate 19 to reset and slide through the connecting rod 21, so that the auxiliary plate 19 is housed in the guide groove and does not exceed the upper and lower edge contours of the scraper 14, thus avoiding rotational collision and interference with the stirring blades 5 of the adjacent layer.

[0030] Furthermore, a planetary gear 23 meshes between the inner wall of the stirring shaft 2 and the outer wall of the support shaft 7, and a rotating shaft 22 is coaxially fixed to the planetary gear 23. The bottom of the rotating shaft 22 is rotatably connected to the bottom of the mixing chamber 1.

[0031] When the support shaft 7 is fixed, the circumferential position of the arc-shaped groove of the annular block 8 is fixed. Each time the scraper 14 revolves and passes through the corresponding area of ​​the groove, it contracts, causing the inner wall of the circumferential mixing chamber 1 in that section to be unable to be effectively scraped by the extended scraper 14, forming a fixed scraping dead angle. After the planetary gear 23 drives the support shaft 7 to rotate synchronously, the circumferential position of the annular block 8 and the groove continuously shifts with the support shaft 7, and the contraction area of ​​the scraper 14 also moves circumferentially, ensuring that the entire circumferential inner wall of the mixing chamber 1 can be covered and scraped by the extended scraper 14, completely avoiding the problem of circumferential material accumulation and agglomeration due to the long-term contraction state of the scraper 14.

[0032] Furthermore, the arc-shaped grooves of the two adjacent annular blocks 8 are arranged alternately along the circumferential direction.

[0033] In this design, when viewed along the axial direction of the support shaft 7, the circumferential positions of the arc-shaped grooves on the upper and lower adjacent annular blocks 8 do not coincide, and the grooves are staggered and intermittently arranged. When the stirring shaft 2 and the support shaft 7 rotate relative to each other, the end of the upper sliding rod 25 corresponding to the protruding section of the annular block 8 retracts inward, and the end of the lower sliding rod 25 simultaneously extends outward corresponding to the groove section. The staggered arrangement of the upper and lower grooves allows the vertically adjacent scrapers 14 to alternately extend and adhere to the wall. At any given time, scrapers 14 are in scraping mode at all heights of the inner wall of the mixing chamber 1, preventing gaps where the entire inner wall of the mixing chamber 1 is simultaneously uncovered by scrapers 14. This avoids long-term static deposition and agglomeration of material in the gaps between the layers of scrapers 14, and effectively reduces the accumulation and residue of heavy fertilizer at the bottom of the mixing chamber 1.

[0034] Furthermore, the end of the extrusion block 20 extending out of the sliding groove is rotatably provided with ball bearings 24.

[0035] In this solution, by setting the ball bearing 24, the wear between the end of the extrusion block 20 and the inner wall of the mixing chamber 1 is reduced when the scraper 14 scrapes the inner wall of the mixing chamber 1.

[0036] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made to it in form and detail without departing from the scope defined by the claims of the present invention.

Claims

1. A mixing device for agricultural fertilizer production, characterized in that: The device includes a mixing chamber, with a hollow stirring shaft coaxially rotatably connected to its bottom. A drive motor for rotating the stirring shaft is installed at the top of the mixing chamber. Several alternately distributed mounting seats and blades are fixedly connected to the stirring shaft along its axial direction, with the bottommost mounting seat being the mounting seat. Several sleeves facing the center of each mounting seat are fixed around its periphery. A sliding rod extending into the stirring shaft is coaxially slidably connected inside each sleeve. An elastic reset element is provided between the sliding rod and the sleeve. A scraping structure for scraping the inner wall of the mixing chamber is provided at the other end of each sliding rod. A support shaft connected to the bottom of the mixing chamber is coaxially installed inside the stirring shaft. Several annular blocks, each corresponding to a mounting seat, are coaxially fixed on the support shaft. Several fan-shaped grooves are formed around the periphery of each annular block. A feed inlet is provided at the top of the mixing chamber, and a discharge pipe is provided at the bottom of the mixing chamber.

2. The mixing equipment for agricultural fertilizer production according to claim 1, characterized in that: The sliding rod is hollow inside; the scraping structure includes an adjusting rod that slides coaxially inside the sliding rod, and each side wall of the sliding rod is provided with a mounting groove. The side walls of the mounting grooves are rotatably connected to a horizontal mounting shaft that is perpendicular to the adjusting rod. Each mounting shaft is coaxially fixed with a reversing gear, which meshes with both the inner wall of the sleeve and the outer wall of the adjusting rod. The scraping structure also includes a scraper disposed at the end of the adjusting rod.

3. The mixing equipment for agricultural fertilizer production according to claim 2, characterized in that: The scraper is hinged to the end of the adjusting rod in the middle. Each scraper has a pull rod hinged to its top. The other end of the pull rod is hinged to a connecting seat. A guide block parallel to the upper side wall of the sleeve is fixed thereon. The connecting seat is slidably connected to the corresponding guide block. An elastic reset member is provided between the connecting seat and the guide block.

4. The mixing equipment for agricultural fertilizer production according to claim 3, characterized in that: The scraper has guide grooves at both ends of the sidewall that is in contact with the inner wall of the mixing chamber, and the guide grooves are parallel to the scraper. An auxiliary plate is slidably connected to each guide groove. A sliding groove perpendicular to the scraper is opened at the opposite ends of the two guide grooves on the same scraper. The sliding groove penetrates the sidewall of the scraper away from the pull rod. An extrusion block with an end protruding from the sliding groove is slidably connected to each sliding groove. The same elastic support is provided between the extrusion block and the sliding groove. An inclined connecting rod is hinged between the extrusion block and the adjacent auxiliary plate.

5. The mixing equipment for agricultural fertilizer production according to claim 4, characterized in that: A planetary gear meshes between the inner wall of the stirring shaft and the outer wall of the support shaft. The planetary gear is coaxially fixed to a rotating shaft, and the bottom of the rotating shaft is rotatably connected to the bottom of the mixing chamber.

6. The mixing equipment for agricultural fertilizer production according to claim 5, characterized in that: The arc-shaped grooves of the two adjacent ring blocks are arranged alternately along the circumference.

7. The mixing equipment for agricultural fertilizer production according to claim 6, characterized in that: The end of the extrusion block extending out of the sliding groove is rotatably equipped with ball bearings.

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