Device and method for manufacturing agricultural biological breeding nutrient medium

Abstract

The invention discloses an agricultural biological breeding nutrient medium manufacturing device and method, and relates to the technical field of nutrient medium manufacturing, the agricultural biological breeding nutrient medium manufacturing device comprises a supporting seat and a mixing box, the mixing box is installed on the upper portion of the supporting seat, a discharging opening is formed in the bottom of the mixing box, a discharging switch is installed in the discharging opening, and an extrusion plate is slidably arranged in the discharging opening; the end, away from the mixing box, of the discharging opening is rotationally connected with a rotating plate, and a mixing assembly is arranged on the mixing box; the mixing assembly comprises a second servo motor installed on the upper portion of the mixing box, a rotating ring rotationally connected with the inner side of the mixing box, a plurality of square blocks installed on the outer side of the rotating ring, mixing rods slidably arranged on the side faces of the square blocks, and racks installed on the side faces of the square blocks. The materials are more fully contacted and dispersed in the mixing process, the agglomeration phenomenon is reduced, a better mixing effect can be achieved, and the preparation of a culture medium is facilitated.

Description

Technical Field

[0001] The present invention relates to the technical field of nutrient medium manufacturing, and in particular to a device and method for manufacturing a nutrient medium for agricultural biological breeding. Background Art

[0002] Bio-breeding nutrient medium is a nutrient matrix specially designed for the breeding process. It aims to provide the necessary growth conditions for seeds or seedlings. The nutrient medium is rich in various nutrients required for crop growth, such as nitrogen, phosphorus, potassium, calcium, magnesium, etc. These elements are essential for the growth and development of crops. It is made by mixing and pressing a variety of raw materials.

[0003] After searching, the invention patent with Chinese patent number CN115281055B discloses a manufacturing device and method for agricultural biological breeding nutrient medium. Compared with the prior art, the invention patent with Chinese patent number CN115281055B not only facilitates and quickly realizes the mixing of matrix raw materials, but also can quickly improve the supply efficiency of the mixed matrix raw materials, greatly improve the manufacturing efficiency of the breeding nutrient medium, and realizes the adjustment of the supply amount of the matrix raw materials by respectively arranging matrix guides in multiple matrix raw material barrels. The supply amount of the matrix raw materials is adjusted according to the data of the breeding nutrient medium, thereby manufacturing different types of breeding nutrient mediums, thereby improving the scope of application of the present invention.

[0004] However, in actual use of the above-mentioned device, mixing is carried out by coordinating the forward and reverse rotation of the main horizontal rotating shaft and the auxiliary horizontal rotating shaft in the horizontal adjustment shaft, but the mixing method is still relatively simple. When the particle size difference of the mixed raw materials is large, small particles may be easily covered or wrapped by large particles, resulting in uneven mixing, and some natural organic substances may be sticky or viscous, which may easily cause them to agglomerate during the mixing process, thereby affecting the mixing uniformity and the manufacture of the culture medium. Therefore, a manufacturing device and method for a biological breeding nutrient medium for agricultural use are proposed. Summary of the invention

[0005] The purpose of the present invention is to solve the shortcomings of the prior art that small particles may be easily covered or wrapped by large particles and are easy to agglomerate during the mixing process, thereby affecting the mixing uniformity and the manufacture of the culture medium, and to propose a manufacturing device and method for agricultural biological breeding nutrient medium.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions:

[0007] A manufacturing device for agricultural biological breeding nutrient medium, comprising a support seat and a mixing box, characterized in that the mixing box is installed on the upper part of the support seat, a discharge port is installed at the bottom of the mixing box, a discharge switch is installed inside the discharge port, an extrusion plate is slidably arranged inside the discharge port, and the end of the discharge port away from the mixing box is rotatably connected to a rotating plate, a mixing assembly is arranged on the mixing box, and the mixing assembly comprises a second servo motor installed on the upper part of the mixing box, a rotating ring rotatably connected to the inner side of the mixing box, a plurality of square blocks installed outside the rotating ring, a mixing rod slidably arranged on the side of the square block, a rack is installed on the side of the square block, a first rotating rod is rotatably connected to the side of the mixing rod, a plurality of mixing blades are installed on the outer side of the first rotating rod, and a mixing rod is installed on the outer side of the first rotating rod. A third gear is provided, the third gear is meshed with a rack, a plurality of circular rings are installed on the inner side of the mixing box, a plurality of pressure blocks are installed on the upper part of the circular ring, the second servo motor drives the rotating ring to rotate after starting, the rotating ring drives the square blocks and the mixing rod to rotate to perform mixing, the mixing rod can form a wave line moving up and down trajectory by squeezing the plurality of pressure blocks when rotating, the plurality of mixing blades on the first rotating rod are driven to rotate by the third gear and the rack when the mixing rod moves up and down, the plurality of mixing blades follow the mixing rod to rotate around the rotating ring and rotate around the first rotating rod to perform mixing, a variety of mixing forces can be generated, so that the materials are more fully contacted and dispersed during the mixing process, the agglomeration phenomenon is reduced, a better mixing effect can be achieved, and it is beneficial to the manufacture of culture medium;

[0008] The mixing box is provided with a pushing assembly, which includes a third servo motor installed on the upper part of the mixing box, a second rotating rod rotatably connected to the inner side of the mixing box, and a spiral fan blade installed on the outer side of the second rotating rod. After the third servo motor is started, the spiral fan blade is driven to rotate through the second rotating rod. When the spiral fan blade rotates forward, it pushes the raw materials upward, and the raw materials at the bottom of the mixing box can also be fully stirred, reducing the mixing dead angle. When the spiral fan blade is reversed, it pushes the raw materials downward to speed up the discharge speed.

[0009] The above technical solution further includes:

[0010] A first sliding groove is provided on the side of the discharge port, a sliding plate is installed on the inner side of the first sliding groove, a cylinder is installed on the side of the discharge port, the output end of the cylinder is fixedly connected to the sliding plate, the opening size of the end of the discharge port is adapted to the size of the extrusion plate, the cylinder can drive the extrusion plate to move downward to extrude the raw materials, and extrude the raw materials into block-shaped nutrient media.

[0011] A first servo motor is installed on the side of the discharge port, and the output end of the first servo motor is fixedly connected to the rotating plate. The first servo motor drives the rotating plate to rotate, so that the block nutrient medium is discharged from the support seat through the discharge port.

[0012] A second gear is installed on the outside of the rotating ring, and a first gear is installed on the output end of the second servo motor. The first gear is rotationally connected to the mixing box, and the first gear is meshed with the second gear. The second servo motor can drive the rotating ring to rotate through the first gear and the second gear.

[0013] A second sliding groove is provided on a side of the square block close to the mixing rod, a sliding block is slidably arranged inside the second sliding groove, a spring is installed on the upper part of the sliding block, a side of the spring away from the sliding block is fixedly connected to the inner wall of the second sliding groove, and the sliding block is fixedly connected to the mixing rod.

[0014] The plurality of pressure blocks are evenly distributed on a circular ring in a circumferential manner. The cross section of the pressure block is arc-shaped. The pressure block is located on the movement track of the mixing rod. The mixing rod can squeeze the pressure block when it rotates.

[0015] The size of the opening of the second sliding groove is adapted to the size of the sliding block, and the cross-sections of the second sliding groove and the sliding block are both convex, thereby ensuring the stability of the sliding block when sliding.

[0016] The upper part of the mixing box is provided with a material inlet, which can be used to put raw materials into the mixing box.

[0017] A third servo motor is installed on the upper part of the mixing box, and a transmission belt is commonly provided between the output end of the third servo motor and the second rotating rod. The second rotating rod rotates on the inner side of the rotating ring, and the second rotating rod and the rotating ring do not contact each other, so as to drive the second rotating rod to rotate forward and reversely.

[0018] A method for preparing a biological breeding nutrient medium for agricultural use, comprising the following steps:

[0019] Step 1: Pour the raw materials into the mixing box, start the second servo motor, drive the rotating ring to rotate, and after the rotating ring rotates, the square block and the mixing rod can be driven to rotate to mix the raw materials. When the mixing rod rotates, multiple pressure blocks are squeezed respectively, and the force generated by squeezing the pressure blocks moves up and down in a wave line. When the mixing rod moves up and down, the third gear and the rack drive multiple mixing blades on the first rotating rod to rotate, so that the multiple mixing blades rotate around the first rotating rod while following the mixing rod to rotate around the rotating ring;

[0020] Step 2: The third servo motor can be started. When the third servo motor rotates, the spiral blades can be driven to rotate forward through the second rotating rod. The driving force generated by the rotation of the spiral blades moves the raw materials at the bottom of the mixing box upward. When discharging, the spiral blades can be driven to rotate reversely through the second rotating rod. The driving force generated by the reverse rotation of the spiral blades drives the raw materials to move downward for discharging;

[0021] Step 3: Turn on the discharge switch to allow the raw materials to flow through the opening next to the extrusion plate to the rotating plate. Then the extrusion plate moves down to extrude the raw materials into block-shaped nutrient base. Finally, the rotating plate is rotated to discharge the block-shaped nutrient base onto the support seat through the discharge port.

[0022] The present invention has the following beneficial effects:

[0023] 1. In the present invention, a mixing assembly is provided so that the mixing rod moves up and down in a wave line when rotating for mixing, and a plurality of mixing blades follow the mixing rod to rotate around the rotating ring while rotating around the first rotating rod to perform mixing. A variety of mixing forces can be generated, so that the materials can be more fully contacted and dispersed during the mixing process, and agglomeration can be reduced, thereby achieving a better mixing effect and facilitating the manufacture of the culture medium.

[0024] 2. In the present invention, by setting a pushing component, the raw materials at the bottom of the mixing box can be fully stirred by pushing the bottom upward, reducing mixing dead corners, improving the overall mixing effect, and can drive the raw materials to move quickly to the discharge port, thereby accelerating the discharge speed and improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of the overall structure of a manufacturing device and method for a biological breeding nutrient medium for agriculture proposed by the present invention;

[0026] Figure 2 It is a schematic diagram of the overall side sectional structure of the present invention;

[0027] Figure 3 It is a schematic diagram of the cross-sectional structure of the top of the mixing rod in the present invention;

[0028] Figure 4 for Figure 2 A schematic diagram of the structure enlargement in the middle;

[0029] Figure 5 for Figure 2 A magnified schematic diagram of the structure at B in the middle;

[0030] Figure 6 for Figure 3 Enlarged schematic diagram of the structure at point C in the middle.

[0031] In the figure: 1. support seat; 2. mixing box; 3. feeding port; 4. discharging port; 5. spiral blade; 6. discharging switch; 7. first sliding groove; 8. sliding plate; 9. extrusion plate; 10. cylinder; 11. first servo motor; 12. rotating plate; 13. rotating ring; 14. second servo motor; 15. first gear; 16. second gear; 17. square block; 18. mixing rod; 19. circular ring; 20. pressure block; 21. second sliding groove; 22. sliding block; 23. spring; 24. first rotating rod; 25. mixing blade; 26. third gear; 27. rack; 28. second rotating rod; 29. ​​third servo motor; 30. transmission belt. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] Embodiment 1

[0034] like Figure 1-Figure 6As shown, a manufacturing device for agricultural biological breeding nutrient medium proposed by the present invention comprises a support seat 1 and a mixing box 2, the mixing box 2 is installed on the upper part of the support seat 1, a discharge port 4 is installed at the bottom of the mixing box 2, a discharge switch 6 is installed inside the discharge port 4, an extrusion plate 9 is slidably arranged inside the discharge port 4, and a rotating plate 12 is rotatably connected to the end of the discharge port 4 away from the mixing box 2, and a mixing assembly is arranged on the mixing box 2, the mixing assembly comprises a second servo motor 14 installed on the upper part of the mixing box 2, a rotating ring 13 rotatably connected to the inner side of the mixing box 2, a plurality of square blocks 17 installed on the outer side of the rotating ring 13, a mixing rod 18 slidably arranged on the side of the square block 17, a rack 27 is installed on the side of the square block 17, a first rotating rod 24 is rotatably connected to the side of the mixing rod 18, a plurality of mixing blades 25 are installed on the outer side of the first rotating rod 24, and a third rotating rod 24 is installed on the outer side of the first rotating rod 24. The gear 26, the third gear 26 and the rack 27 are meshed with each other, a plurality of circular rings 19 are installed on the inner side of the mixing box 2, a plurality of pressure blocks 20 are installed on the upper part of the circular ring 19, and the second servo motor 14 drives the rotating ring 13 to rotate after being started, and the rotating ring 13 drives the square block 17 and the mixing rod 18 to rotate to perform mixing work, and when the mixing rod 18 rotates, a wave line trajectory moving up and down can be formed by squeezing the plurality of pressure blocks 20, and when the mixing rod 18 moves up and down, the third gear 26 and the rack 27 drive the plurality of mixing blades 25 on the first rotating rod 24 to rotate, and the plurality of mixing blades 25 rotate around the first rotating rod 24 while following the mixing rod 18 to rotate around the rotating ring 13 to perform mixing work, which can generate a variety of mixing forces, so that the materials are more fully contacted and dispersed during the mixing process, and the agglomeration phenomenon is reduced, so that a better mixing effect can be achieved, which is beneficial to the manufacture of the culture medium;

[0035] The mixing box 2 is provided with a pushing assembly, which includes a third servo motor 29 installed on the upper part of the mixing box 2, a second rotating rod 28 rotatably connected to the inner side of the mixing box 2, and a spiral blade 31 installed on the outer side of the second rotating rod 28. After the third servo motor 29 is started, the spiral blade 31 is driven to rotate through the second rotating rod 28. When the spiral blade 31 rotates forward, it pushes the raw material upward, and the raw material at the bottom of the mixing box 2 can also be fully stirred to reduce the mixing dead angle. When the spiral blade 31 is reversed, it pushes the raw material downward to speed up the discharge.

[0036] A first sliding groove 7 is provided on the side of the discharge port 4, a sliding plate 8 is installed on the inner side of the first sliding groove 7, a cylinder 10 is installed on the side of the discharge port 4, the output end of the cylinder 10 is fixedly connected to the sliding plate 8, the opening size of the end of the discharge port 4 is adapted to the size of the extrusion plate 9, the cylinder 10 can drive the extrusion plate 9 to move downward to extrude the raw materials, and extrude the raw materials into block-shaped nutrient media.

[0037] A first servo motor 11 is installed on the side of the discharge port 4 , and the output end of the first servo motor 11 is fixedly connected to the rotating plate 12 . The first servo motor 11 drives the rotating plate 12 to rotate, so that the block nutrient medium is discharged from the support seat 1 through the discharge port 4 .

[0038] A second gear 16 is installed on the outside of the rotating ring 13, and a first gear 15 is installed on the output end of the second servo motor 14. The first gear 15 is rotatably connected to the mixing box 2, and the first gear 15 and the second gear 16 are meshed. The second servo motor 14 can drive the rotating ring 13 to rotate through the first gear 15 and the second gear 16.

[0039] A second sliding groove 21 is provided on one side of the square block 17 close to the mixing rod 18, a sliding block 22 is slidingly provided inside the second sliding groove 21, a spring 23 is installed on the upper part of the sliding block 22, a side of the spring 23 away from the sliding block 22 is fixedly connected to the inner wall of the second sliding groove 21, and the sliding block 22 is fixedly connected to the mixing rod 18.

[0040] A plurality of pressure blocks 20 are evenly distributed on the annular ring 19 in a circumferential manner. The cross section of the pressure blocks 20 is arc-shaped. The pressure blocks 20 are located on the movement trajectory of the mixing rod 18 . The mixing rod 18 can squeeze the pressure blocks 20 when rotating.

[0041] The size of the opening of the second sliding groove 21 matches the size of the sliding block 22 , and the cross-sections of the second sliding groove 21 and the sliding block 22 are both convex, thereby ensuring the stability of the sliding block 22 when sliding.

[0042] A material inlet 3 is installed at the upper portion of the mixing box 2 , which can be used to put raw materials into the mixing box 2 .

[0043] In this embodiment, when manufacturing work is required, the raw materials can be put into the mixing box 2 through the feed port 3, and then the second servo motor 14 is started. After the output end of the second servo motor 14 rotates, it can drive the first gear 15 to rotate. Since the first gear 15 is meshed with the second gear 16, the first gear 15 can drive the rotating ring 13 to rotate through the second gear 16. When the rotating ring 13 rotates, it can drive the mixing rod 18 on the square block 17 to rotate, so as to perform mixing work. When the mixing rod 18 rotates, it can squeeze the arc surface of the pressure block 20, so that the mixing rod 18 moves up along the second sliding groove 21 through the sliding block 22. At this time, the spring 23 contracts. When the mixing rod 18 moves to the other side of the pressure block 20 and no longer squeezes the pressure block 20, The spring 23 in the contracted state is reset, and the mixing rod 18 is driven to reset at the same time, so that the plurality of pressure blocks 20 are squeezed respectively when the mixing rod 18 rotates, and the force generated by squeezing the pressure blocks 20 moves up and down in a wave line. Since the third gear 26 and the rack 27 are meshed, the first rotating rod 24 is driven to rotate by the third gear 26 and the rack 27 when the mixing rod 18 moves up and down, and the plurality of mixing blades 25 on the first rotating rod 24 are driven to rotate at the same time, so that the plurality of mixing blades 25 can rotate around the first rotating rod 24 while following the mixing rod 18 rotating around the rotating ring 13 to perform mixing work. By using them together, a variety of mixing forces can be generated, so that the materials are more fully contacted and dispersed during the mixing process, thereby achieving a better mixing effect;

[0044] After the mixing work is completed, the discharge switch 6 can be opened to allow the raw materials to flow to the rotating plate 12 through the opening next to the extrusion plate 9 in the discharge port 4, and then the cylinder 10 is started. The cylinder 10 can drive the sliding plate 8 to move along the first sliding groove 7, and at the same time drive the extrusion plate 9 to move downward to extrude the raw materials, and extrude the raw materials into block-shaped nutrient base. Finally, the first servo motor 11 is started, and the first servo motor 11 drives the rotating plate 12 to rotate, no longer blocking the opening of the discharge port 4, so that the block-shaped nutrient base is discharged from the support seat 1 through the discharge port 4.

[0045] Embodiment 2

[0046] like Figure 1-Figure 6 As shown, based on the first embodiment, a third servo motor 29 is installed on the upper part of the mixing box 2, and a transmission belt 30 is commonly provided between the output end of the third servo motor 29 and the second rotating rod 28. The second rotating rod 28 is located on the inner side of the rotating ring 13 for rotation, and the second rotating rod 28 and the rotating ring 13 do not contact each other, and can drive the second rotating rod 28 to rotate forward and reverse.

[0047] In this embodiment, during the mixing operation, the third servo motor 29 can be started. When the third servo motor 29 rotates, the second rotating rod 28 can be driven to rotate through the transmission belt 30. The second rotating rod 28 drives the spiral blades 31 to rotate forward. The driving force generated by the rotation of the spiral blades 31 moves the raw materials at the bottom of the mixing box 2 upward. By pushing the bottom upward, it can be ensured that the raw materials at the bottom of the mixing box 2 can also be fully stirred, reducing the mixing dead angle and improving the overall mixing effect. When discharging, the spiral blades 31 can be driven to reverse through the second rotating rod 28. The driving force generated by the reversal of the spiral blades 31 drives the raw materials to move downward for discharging, which can drive the raw materials to move quickly to the discharge port 4, thereby accelerating the discharging speed and improving production efficiency.

[0048] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for manufacturing a biological breeding nutrient medium for agricultural use, comprising a support base (1) and a mixing box (2), characterized in that: The mixing box (2) is mounted on the upper part of the support seat (1); a discharge port (4) is mounted on the bottom of the mixing box (2); a discharge switch (6) is mounted inside the discharge port (4); an extrusion plate (9) is slidably mounted inside the discharge port (4); an end of the discharge port (4) away from the mixing box (2) is rotatably connected to a rotating plate (12); a mixing assembly is mounted on the mixing box (2); the mixing assembly comprises a second servo motor (14) mounted on the upper part of the mixing box (2); a rotating ring (13) rotatably connected to the inner side of the mixing box (2); a plurality of square blocks (17) mounted on the outer side of the rotating ring (13); a mixing rod (18) slidably mounted on the side of the square block (17); a rack (27) is mounted on the side of the square block (17); a first rotating rod (24) is rotatably connected to the side of the mixing rod (18); a plurality of mixing blades (25) are mounted on the outer side of the first rotating rod (24); A third gear (26) is installed on the outer side of the first rotating rod (24), and the third gear (26) is meshed with a rack (27). A plurality of circular rings (19) are installed on the inner side of the mixing box (2), and a plurality of pressure blocks (20) are installed on the upper part of the circular ring (19). After the second servo motor (14) is started, it drives the rotating ring (13) to rotate. After the rotating ring (13) rotates, it drives the square block (17) and the mixing rod (18) to rotate to perform mixing. When the mixing rod (18) rotates, it can form a wave line moving up and down trajectory by squeezing the plurality of pressure blocks (20). When the mixing rod (18) moves up and down, it drives the plurality of mixing blades (25) on the first rotating rod (24) to rotate through the third gear (26) and the rack (27). The plurality of mixing blades (25) rotate around the first rotating rod (24) while following the mixing rod (18) to rotate around the rotating ring (13) to perform mixing. The mixing box (2) is provided with a pushing assembly, which comprises a third servo motor (29) mounted on the upper part of the mixing box (2), a second rotating rod (28) rotatably connected to the inner side of the mixing box (2), and a spiral blade (5) mounted on the outer side of the second rotating rod (28). After the third servo motor (29) is started, the spiral blade (5) is driven to rotate through the second rotating rod (28). When the spiral blade (5) rotates forward, it pushes the raw material upward, and when the spiral blade (5) rotates reversely, it pushes the raw material downward.

2. The manufacturing device of the agricultural biological breeding nutrient medium according to claim 1, characterized in that: A first sliding groove (7) is provided on the side of the discharge port (4), a sliding plate (8) is installed on the inner side of the first sliding groove (7), a cylinder (10) is installed on the side of the discharge port (4), the output end of the cylinder (10) is fixedly connected to the sliding plate (8), and the opening size of the end of the discharge port (4) is adapted to the size of the extrusion plate (9).

3. The manufacturing device of the agricultural biological breeding nutrient medium according to claim 2, characterized in that: A first servo motor (11) is installed on the side of the discharge port (4), and an output end of the first servo motor (11) is fixedly connected to a rotating plate (12).

4. The manufacturing device of the agricultural biological breeding nutrient medium according to claim 1, characterized in that: A second gear (16) is installed on the outside of the rotating ring (13), and a first gear (15) is installed on the output end of the second servo motor (14). The first gear (15) is rotatably connected to the mixing box (2), and the first gear (15) and the second gear (16) are meshed.

5. The manufacturing device of the agricultural biological breeding nutrient medium according to claim 1, characterized in that: A second sliding groove (21) is provided on a side of the square block (17) close to the mixing rod (18); a sliding block (22) is slidably arranged inside the second sliding groove (21); a spring (23) is installed on the upper part of the sliding block (22); a side of the spring (23) away from the sliding block (22) is fixedly connected to the inner wall of the second sliding groove (21); and the sliding block (22) is fixedly connected to the mixing rod (18).

6. The device for manufacturing a nutrient medium for agricultural biological breeding according to claim 5, characterized in that: The plurality of pressure blocks (20) are evenly distributed on the circular ring (19) in a circumferential manner, the cross section of the pressure block (20) is arc-shaped, and the pressure block (20) is located on the movement trajectory of the mixing rod (18).

7. The manufacturing device of the agricultural biological breeding nutrient medium according to claim 6, characterized in that: The size of the opening of the second sliding groove (21) is matched to the size of the sliding block (22), and the cross-sections of the second sliding groove (21) and the sliding block (22) are both convex.

8. The device for manufacturing a nutrient medium for agricultural biological breeding according to claim 1, characterized in that: The upper part of the mixing box (2) is provided with a material inlet (3).

9. The device for manufacturing a nutrient medium for agricultural biological breeding according to claim 1, characterized in that: A third servo motor (29) is installed on the upper part of the mixing box (2), and a transmission belt (30) is provided between the output end of the third servo motor (29) and the second rotating rod (28), and the second rotating rod (28) is located inside the rotating ring (13) for rotation, and the second rotating rod (28) and the rotating ring (13) do not contact each other.

10. The method for producing a nutrient medium for agricultural biological breeding according to claims 1-9, characterized in that: The steps include: Step 1: Pour the raw materials into the mixing box (2), start the second servo motor (14), drive the rotating ring (13) to rotate, and after the rotating ring (13) rotates, it can drive the square block (17) and the mixing rod (18) to rotate to mix the raw materials. When the mixing rod (18) rotates, it squeezes a plurality of pressure blocks (20) respectively, and the force generated by squeezing the pressure blocks (20) moves up and down in a wave line. When the mixing rod (18) moves up and down, it drives a plurality of mixing blades (25) on the first rotating rod (24) to rotate through the third gear (26) and the rack (27), so that the plurality of mixing blades (25) follow the mixing rod (18) to rotate around the rotating ring (13) and rotate around the first rotating rod (24) at the same time; Step 2: The third servo motor (29) can be started. When the third servo motor (29) rotates, the second rotating rod (28) can drive the spiral blade (5) to rotate forward. The driving force generated by the rotation of the spiral blade (5) can move the raw materials at the bottom of the mixing box (2) upward. When discharging the materials, the second rotating rod (28) can drive the spiral blade (5) to rotate reversely. The driving force generated by the reverse rotation of the spiral blade (5) can drive the raw materials to move downward for discharging. Step 3: Turn on the discharge switch (6) to allow the raw material to flow through the opening next to the extrusion plate (9) to the rotating plate (12), and then the extrusion plate (9) moves downward to extrude the raw material into a block-shaped nutrient medium. Finally, the rotating plate (12) is rotated to allow the block-shaped nutrient medium to be discharged from the support seat (1) through the discharge port (4).

Images