Nutrient solution conveying device for millet processing

Abstract

The nutrient solution conveying device for millet processing comprises a bottom frame, a screening table is arranged above the bottom frame, a plurality of supporting springs are arranged between the screening table and the bottom frame, a screening cavity is formed in the inner side of the screening table, the inner side of the screening cavity is flexibly connected with a screening plate, the inner bottom wall of the screening cavity is obliquely arranged, and the supporting springs are arranged on the screening plate. The screening plate is obliquely arranged, a pesticide spraying box is arranged at the top of one side of the bottom frame, and a nutrient solution conveying mechanism is arranged at the top of the pesticide spraying box. By using the cleaning mechanism, a turbine rotates, the turbine drives an elastic strip, a cleaning arm and a cleaning strip to rotate through a center shaft, the cleaning arm and the cleaning strip can brush a working cavity, a connecting pipe and the inner wall of a first working barrel in the rotating process, water continuously washes the turbine, and the turbine drives a cleaning piece to rotate to brush an inner cavity of a pesticide spraying nozzle; the cavity is prevented from being reduced due to accumulation in the spraying mechanism, and the conveying flow of the nutrient solution is kept stable.

Description

Technical Field

[0001] The invention belongs to the field of nutrient solution transportation, and in particular relates to a nutrient solution transportation device for millet processing. Background Art

[0002] Millet is a nutritious grain rich in protein, calcium, iron and antioxidants, and has important health value. However, its processing faces multiple challenges: traditional methods rely on manual operations, which are labor-intensive, inefficient, and easily lead to the loss of nutrients. For example, traditional soaking, cooking and other processes may destroy vitamins and minerals, and the high rate of broken rice in processes such as shelling and grading further reduces product quality. Although mechanized technologies (such as "temperature and pressure control and fresh rice milling" and photoelectric color sorting equipment) have been partially applied to millet processing, improving purity and nutrient retention, dedicated devices for nutrient solution delivery are still insufficient. The substances in the existing nutrient solution are prone to sedimentation and lack self-cleaning ability, and accumulate in the spraying mechanism, causing the cavity to become smaller and the flow rate to become smaller, and may even cause blockage and device failure. Therefore, a nutrient solution delivery device for millet processing is proposed. Summary of the Invention

[0003] The purpose of this section is to summarize some aspects of the embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract and title of this application to avoid obscuring the purpose of this section, the abstract and the title of the invention, and such simplifications or omissions should not be used to limit the scope of the present invention.

[0004] In view of the following technical problems in the existing technology: substances in the existing nutrient solution are prone to sedimentation and lack self-cleaning ability, and accumulate in the spraying mechanism, causing the cavity to become smaller and smaller, resulting in a decrease in flow rate and even possible blockage, causing the device to malfunction.

[0005] To solve the above technical problems, the present invention provides the following technical solutions: a nutrient solution delivery device for millet processing, comprising a base frame, a screening platform provided above the base frame, a plurality of support springs provided between the screening platform and the base frame, a screening cavity provided on the inner side of the screening platform, a screening plate flexibly connected to the inner side of the screening cavity, an inner bottom wall of the screening cavity being inclined, the screening plate being inclined, a spray box provided on the top of one side of the base frame, and a nutrient solution delivery mechanism provided on the top of the spray box;

[0006] A through slot is concavely arranged on one side of the top of the inner cavity of the spray box, and the material guide rack extends into the through slot, and the material guide rack is connected to one side of the shelling machine.

[0007] As an optimal technical solution for a nutrient solution delivery device for millet processing, the nutrient solution delivery mechanism includes a spray nozzle, a working cylinder, a first working cylinder, and a drug delivery pipe. The spray nozzle is provided on the top of the spray box, the first working cylinder is provided above the spray nozzle, the bottom end of the first working cylinder extends into the inner cavity of the spray box, the top of the first working cylinder is connected to the working cylinder through a connecting pipe, and the working cylinder is provided with a drug delivery pipe;

[0008] The shelling machine is working, and the millet enters the shelling machine and is shelled and transported to the spray box through the guide rack. The medicine delivery pipe can transport the nutrient solution through the working cylinder, the connecting pipe and the working cylinder to the spray nozzle, and the spray nozzle sprays it in the spray box to mix the millet with the nutrient solution. The millet continues to fall into the screening table and is screened by the screening plate. The dryer supplies hot air flow, and the hot air flow dries the millet.

[0009] As a preferred technical solution of a nutrient solution delivery device for millet processing, a discharge port is recessed at one end of the screening chamber, a waste discharge port is recessed at the bottom of the screening chamber, and the waste discharge port is located below the screening plate;

[0010] The waste outlet discharges waste rice, and the material outlet discharges high-quality millet.

[0011] As a preferred technical solution of a nutrient solution delivery device for millet processing, the bottom of the working cylinder is connected to a water pipe 1, the water pipe 1 is U-shaped, and an electric switch valve is provided on the water pipe 1. The top of the working cylinder is provided with a liquid supply pipe, and the liquid supply pipe is also provided with an electric switch valve. The liquid supply pipe is fixedly connected to the top of the water pipe 1;

[0012] The cleaning water is supplied through the liquid supply pipe, and the electric switch valve on the liquid supply pipe is opened, and the cleaning water can clean the working cylinder, the working cylinder, the connecting pipe and the spraying nozzle.

[0013] As an optimal technical solution for a nutrient solution delivery device for millet processing, a cleaning mechanism is movably connected in a working cylinder, and the cleaning mechanism includes a circulation channel, a piston block, a cleaning member, a turbine, a central shaft, an elastic strip and a cleaning arm. The inner side of the working cylinder is slidably connected with the piston block, the circulation channel is recessed on the piston block, the central shaft extends into the middle of the piston block, the length of the central shaft is more than three times the thickness of the piston block, a turbine is provided at one end of the central shaft, the turbine is connected to the cleaning member through a push rod, the push rod is movably plugged into the turbine, a spring is provided at the top of the push rod and the inner side of the turbine, a cleaning strip is provided on the cleaning member, a plurality of evenly distributed elastic strips are provided at the other end of the central shaft, and a cleaning arm is provided at the end of the elastic strip away from the central shaft;

[0014] The cleaning mechanism further includes a cleaning strip, which is provided on the outside of the cleaning arm and is in the shape of an elongated strip;

[0015] During the rotation of the cleaning arm and the cleaning strip, the inner wall of the working cylinder, the connecting pipe and the working cylinder will be scrubbed.

[0016] As a preferred technical solution of the nutrient solution delivery device for millet processing, the cleaning mechanism further includes a restraining cylinder, a restraining cylinder is provided on the top of the piston block, the inner cavity of the restraining cylinder is truncated, the restraining cylinder is movably connected to an elastic strip, and the elastic strip is arc-shaped;

[0017] The elastic strip has a certain elasticity. When the lower side of the piston block is subjected to the water pressure of the water pipe, the piston block and the central axis move relative to each other, and the piston block moves with the constraint cylinder. The constraint cylinder squeezes the elastic strip, and the elastic strip enters the constraint cylinder, causing the elastic strip to shrink. The elastic strip shrinks toward the center, causing the cleaning strip to break away from the contact with the working cylinder, the connecting pipe and the inner wall of the working cylinder, so that the piston block moves smoothly back to its original position.

[0018] As a preferred technical solution of a nutrient solution delivery device for millet processing, a one-way seal is provided in the flow channel, the one-way seal includes a one-way restriction member and an elastic arc strip, the one-way restriction member is trumpet-shaped, and an elastic arc strip is provided on the outer side of the one-way restriction member, and the elastic arc strip is made of elastic material;

[0019] The one-way restriction element allows the flow channel to flow in one direction.

[0020] As a preferred technical solution of the nutrient solution delivery device for millet processing, a limit arm is provided in an annular manner at the bottom of the working cylinder 1, the limit arm is fixedly connected to the inner wall of the working cylinder 1, an elastic block is provided on the upper part of the limit arm, and the piston block is movably connected to the elastic block;

[0021] The limiting arm limits the downward position of the piston block.

[0022] As an optimal technical solution for a nutrient solution delivery device for millet processing, a movable groove is recessed on one side of the working cylinder, a limit platform is movably connected in the movable groove, a return spring is provided on the inner side of the limit platform and the movable groove, a gate is rotatably connected to the connection between the working cylinder and the drug delivery tube, and the limit platform is movably abutted against one end of the gate;

[0023] The limiting platform is provided with a boss, and the boss is movably connected to the piston block;

[0024] The return spring squeezes the limit table to protrude the movable groove, and the limit table locks one side of the gate, so that the gate cannot swing. The piston block squeezes the limit table to move, which can disengage the limit table from the gate and release the lock.

[0025] The beneficial effects of the nutrient solution delivery device for millet processing of the present invention are as follows: the turbine is rotated by using the cleaning mechanism, and the turbine rotates with the elastic strip, the cleaning arm and the cleaning strip through the central axis. During the rotation of the cleaning arm and the cleaning strip, the inner wall of the working cylinder, the connecting pipe and the working cylinder are scrubbed, and the water continuously flushes the turbine. The turbine rotates with the cleaning part to scrub the inner cavity of the spray nozzle, which can quickly and real-time clean the inner cavity of the spray nozzle, avoid deposition in the spray mechanism causing the cavity to become smaller, keep the flow rate of nutrient solution delivery stable, and avoid malfunctions. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. Those skilled in the art can also derive other drawings based on these drawings without inventive effort. Among them:

[0027] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0028] Figure 2 Schematic diagram of the structure of the nutrient solution delivery mechanism of the present invention;

[0029] Figure 3 For the present invention Figure 1 A schematic diagram of the partially enlarged structure of part B;

[0030] Figure 4 Schematic diagram of the three-dimensional structure of the piston block of the present invention;

[0031] Figure 5 It is a structural schematic diagram of the one-way restriction member of the present invention;

[0032] Figure 6 For the present invention Figure 1 A schematic diagram of the partially enlarged structure of part A;

[0033] Figure 7 It is a structural schematic diagram of the medicine spraying nozzle of the present invention.

[0034] Figure numerals: 1. base frame; 2. support spring; 3. screening table; 4. screening chamber; 5. screening plate; 6. dryer; 7. spray box; 8. spray nozzle; 10. water pipe 1; 11. solenoid valve; 12. working chamber; 13. working cylinder 1; 14. drug delivery pipe; 15. material guide rack; 16. sheller; 17. liquid supply pipe; 19. limit arm; 20. gate; 21. return spring; 22. limit table; 23. turbine; 24. cleaning part; 25. piston block; 26. center axis; 27. constraint cylinder; 28. elastic strip; 29. ​​cleaning arm; 30. cleaning strip; 31. movable groove; 32. reinforcement rib; 33. circulation channel; 34. limit ring; 35. one-way limit part; 36. elastic arc strip; 37. connecting pipe. DETAILED DESCRIPTION

[0035] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0036] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0037] Secondly, the term "one embodiment" or "embodiment" herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in various places throughout this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive of other embodiments.

[0038] Furthermore, the present invention is described in detail with reference to schematic diagrams. For ease of illustration, when describing the embodiments of the present invention, cross-sectional views illustrating device structures may be partially enlarged and not to scale. Furthermore, the schematic diagrams are merely illustrative and should not limit the scope of protection of the present invention. Furthermore, in actual production, the three-dimensional dimensions of length, width, and depth should be included.

[0039] like Figures 1 to 7 As shown, the present invention proposes a nutrient solution delivery device for millet processing, comprising a base frame 1, a screening platform 3 is provided above the base frame 1, a plurality of support springs 2 are provided between the screening platform 3 and the base frame 1, a screening cavity 4 is provided on the inner side of the screening cavity 4, a screening plate 5 is flexibly connected to the inner side of the screening cavity 4, the inner bottom wall of the screening cavity 4 is inclined, the screening plate 5 is inclined, a spray box 7 is provided on the top of one side of the base frame 1, and a nutrient solution delivery mechanism is provided on the top of the spray box 7;

[0040] A through slot is recessed on one side of the top of the inner cavity of the spray box 7 , into which the guide rack 15 extends. The guide rack 15 is connected to one side of the shelling machine 16 .

[0041] The nutrient solution delivery mechanism includes a spray nozzle 8, a working cylinder 12, a working cylinder 13 and a drug delivery pipe 14. The spray nozzle 8 is provided on the top of the spray box 7. The working cylinder 13 is provided on the top of the spray nozzle 8. The bottom end of the working cylinder 13 extends into the inner cavity of the spray box 7. The top of the working cylinder 13 is connected to the working cylinder 12 through a connecting pipe 37. The working cylinder 12 is provided with a drug delivery pipe 14;

[0042] The shelling machine 16 is working, the millet enters the shelling machine 16 and is shelled and transported to the spray box 7 through the guide rack 15. The drug delivery pipe 14 can transport the nutrient solution through the working cylinder 12, the connecting pipe 37 and the working cylinder 13 to the spray nozzle 8, and the spray nozzle 8 is sprayed out in the spray box 7 to mix the millet with the nutrient solution. The millet continues to fall into the screening table 3, and the screening plate 5 screens the millet. The dryer 6 supplies hot air flow, and the hot air flow dries the millet.

[0043] One end of the screening chamber 4 is recessed with a discharge port, and the bottom of the screening chamber 4 is recessed with a waste discharge port, which is located below the screening plate 5; the waste discharge port discharges waste rice, and the discharge port discharges high-quality millet.

[0044] The bottom of the working cylinder 13 is connected to a water pipe 10, which is U-shaped and is provided with an electric switch valve 11. The top of the working cylinder 12 is provided with a liquid supply pipe 17, which is also provided with an electric switch valve 11. The liquid supply pipe 17 is fixedly connected to the top of the water pipe 10; cleaning water is supplied through the liquid supply pipe 17, and the electric switch valve 11 on the liquid supply pipe 17 is opened. The cleaning water can clean the working cylinder 12, the working cylinder 13, the connecting pipe 37 and the spray nozzle 8.

[0045] A cleaning mechanism is movably connected in the working cylinder 13, and the cleaning mechanism includes a circulation channel 33, a piston block 25, a cleaning member 24, a turbine 23, a central shaft 26, an elastic strip 28 and a cleaning arm 29. The piston block 25 is slidably connected to the inner side of the working cylinder 13, and the circulation channel 33 is recessed on the piston block 25. The central shaft 26 extends into the middle of the piston block 25. The length of the central shaft 26 is more than three times the thickness of the piston block 25. A turbine 23 is provided at one end of the central shaft 26, and the turbine 23 is connected to the cleaning member 24 through a push rod. The push rod is movably connected to the turbine 23, and a spring is provided at the top of the push rod and the inner side of the turbine 23. A cleaning strip is provided on the cleaning member 24, and a number of evenly distributed elastic strips 28 are provided at the other end of the central shaft 26. A cleaning arm 29 is provided at the end of the elastic strip 28 away from the central shaft 26.

[0046] The cleaning mechanism also includes a cleaning strip 30, which is provided on the outside of the cleaning arm 29 and is in the shape of a long strip; during the rotation of the cleaning arm 29 and the cleaning strip 30, the inner walls of the working cylinder 12, the connecting pipe 37 and the working cylinder 13 are scrubbed.

[0047] The cleaning mechanism also includes a constraint cylinder 27. The top of the piston block 25 is provided with a constraint cylinder 27. The inner cavity of the constraint cylinder 27 is truncated cone-shaped. The constraint cylinder 27 is movably connected to the elastic strip 28, and the elastic strip 28 is arc-shaped; the elastic strip 28 has a certain elasticity. When the lower side of the piston block 25 is subjected to the water pressure of the water pipe 10, the piston block 25 and the central axis 26 move relative to each other, and the piston block 25 moves with the constraint cylinder 27. The constraint cylinder 27 squeezes the elastic strip 28, and the elastic strip 28 enters the constraint cylinder 27 and shrinks the elastic strip 28. The elastic strip 28 shrinks toward the center, causing the cleaning strip 30 to break away from the contact with the working cylinder 12, the connecting pipe 37 and the inner wall of the working cylinder 13, so that the piston block 25 moves smoothly back to its original position.

[0048] A one-way seal is provided in the circulation channel 33, and the one-way seal includes a one-way limiting member 35 and an elastic arc strip 36. The one-way limiting member 35 is trumpet-shaped, and an elastic arc strip 36 is provided on the outer side of the one-way limiting member 35. The elastic arc strip 36 is made of elastic material; the one-way limiting member 35 makes the circulation channel 33 unidirectional.

[0049] A limiting arm 19 is provided in an annular shape at the bottom of the working cylinder 13, and the limiting arm 19 is fixedly connected to the inner wall of the working cylinder 13. An elastic block is provided on the upper part of the limiting arm 19, and the piston block 25 is movably connected to the elastic block; the limiting arm 19 limits the downward position of the piston block 25.

[0050] A movable groove 31 is recessed on one side of the working cylinder 13, and a limit platform 22 is movably connected to the movable groove 31. A return spring 21 is provided on the inner side of the limit platform 22 and the movable groove 31. A gate 20 is rotatably connected to the connection between the working cylinder 13 and the drug delivery tube 14, and the limit platform 22 is movably abutted against one end of the gate 20.

[0051] The limit platform 22 is provided with a boss, which is movably connected to the piston block 25; the return spring 21 squeezes the limit platform 22 to protrude from the movable groove 31, and the limit platform 22 locks one side of the gate 20, so that the gate 20 that closes the drug delivery tube 14 cannot swing, and the water cannot reach the drug delivery tube 14 through the working cylinder 12. The piston block 25 squeezes the limit platform 22 to move, so that the limit platform 22 and the gate 20 are disengaged and the lock is released.

[0052] A torsion spring is provided between the gate 20 and the working cylinder 12. The one-way limiting member 35 is composed of three flap membranes and is shaped like a heart valve. The top and bottom of the one-way limiting member 35 are respectively the concave side and the convex side. When the water squeezes the concave side of the one-way limiting member 35, the three flap membranes will separate. When the water squeezes the convex side of the one-way limiting member 35, the inner rings of the three flap membranes are more tightly pressed against each other, so that the connection between the two ends of the flow channel 33 is cut off. The elastic strip 28 is made of elastic material. The two ends of the central shaft 26 are rotatably connected to a limit ring 34. The limit ring 34 limits the relative position of the central shaft 26 and the piston block 25. The outer ring of the cleaning member 24 is evenly provided with cleaning brush strips, which are movably connected to the inner side of the spray nozzle 8. A dryer 6 is provided on the top of the screening table 3.

[0053] Specific process of implementation:

[0054] The cleaning water is supplied through the liquid supply pipe 17, the electric switch valve 11 on the liquid supply pipe 17 is opened, the cleaning water pushes the piston block 25 to move, the piston block 25 slides in the working cylinder 12, the connecting pipe 37 and the working cylinder 13, the cleaning water part passes through the circulation channel 33, the cleaning water squeezes the one-way restriction piece 35, and the cleaning water reaches the bottom of the piston block 25, the cleaning water flushes the turbine 23 and makes the turbine 23 rotate, and the turbine 23 rotates with the elastic strip 28, the cleaning arm 29 and the cleaning strip 30 through the central axis 26; the cleaning arm 29 and the cleaning strip 30 will scrub the inner wall of the working cylinder 12, the connecting pipe 37 and the working cylinder 13 during the rotation process; when the piston block 25 passes through the movable groove 31, the piston block 25 squeezes the boss of the limit platform 22 so that the limit platform 22 continues to penetrate into the inner cavity of the movable groove 31, so that the return spring 21 is compressed, and the lower side of the limit platform 22 is staggered with the gate 20, and the gate 20 can move freely; the piston block 25 uses the cleaning member 24 to open the gate 20, and the cleaning member 24 and the piston block 25 push the gate 20 to close and abut the opening on one side of the drug delivery tube 14; until the piston block 25 is blocked by the limit arm 19 and the cleaning member 24 reaches the inner cavity of the spray nozzle 8, as the water continues to flush the turbine 23, the turbine 23 rotates with the cleaning member 24 to brush the inner cavity of the spray nozzle 8; the electric switch valve 11 on the water pipe 10 is opened, the electric switch valve 11 on the liquid supply pipe 17 is closed, and the switch on the spray nozzle 8 is also closed, and the water can only go up, and the water lifts the piston block 25 from the bottom side of the piston block 25, causing the piston block 25 to go up until the piston block 25 returns to its original position. During this period, the piston block 25 passes the limit platform 22. Due to the extrusion of the piston block 25, the gate 20 is free from the lock of the limit platform 22, and the gate 20 swings under the action of the torsion spring to close the inner cavity of the working cylinder 12.

[0055] It will be appreciated that in the development of any actual embodiment, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but will, for those of ordinary skill having the benefit of this disclosure, be a routine undertaking of design, fabrication, and production without undue experimentation.

[0056] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A nutrient solution delivery device for millet processing, characterized in that: The invention comprises a base frame (1), a screening platform (3) is arranged above the base frame (1), a plurality of supporting springs (2) are arranged between the screening platform (3) and the base frame (1), a screening cavity (4) is provided on the inner side of the screening cavity (4), a screening plate (5) is flexibly connected to the inner side of the screening cavity (4), the inner bottom wall of the screening cavity (4) is inclined, the screening plate (5) is inclined, a spray box (7) is arranged on the top of one side of the base frame (1), and a nutrient solution conveying mechanism is arranged on the top of the spray box (7); A through slot is recessed on one side of the top of the inner cavity of the spray box (7), and the guide rack (15) extends into the through slot. The guide rack (15) is connected to one side of the shelling machine (16).

2. A nutrient solution delivery device for millet processing according to claim 1, characterized in that: The nutrient solution delivery mechanism includes a spray nozzle (8), a working cylinder (12), a working cylinder 1 (13) and a drug delivery pipe (14). The spray nozzle (8) is provided on the top of the spray box (7), and a working cylinder 1 (13) is provided on the top of the spray nozzle (8). The bottom end of the working cylinder 1 (13) extends into the inner cavity of the spray box (7). The top of the working cylinder 1 (13) is connected to the working cylinder (12) through a connecting pipe (37), and the working cylinder (12) is provided with a drug delivery pipe (14).

3. The nutrient solution delivery device for millet processing according to claim 1, characterized in that: A material discharge port is recessed at one end of the screening chamber (4), and a waste discharge port is recessed at the bottom of the screening chamber (4), and the waste discharge port is located below the screening plate (5).

4. The nutrient solution delivery device for millet processing according to claim 1, wherein: The bottom of the working cylinder (13) is connected to a water pipe (10), the water pipe (10) is U-shaped, and an electric switch valve (11) is provided on the water pipe (10). The top of the working cylinder (12) is provided with a liquid supply pipe (17), and the liquid supply pipe (17) is also provided with an electric switch valve (11). The liquid supply pipe (17) is fixedly connected to the top of the water pipe (10).

5. The nutrient solution delivery device for millet processing according to claim 1, characterized in that: A cleaning mechanism is movably connected in the working cylinder (13), and the cleaning mechanism includes a circulation channel (33), a piston block (25), a cleaning member (24), a turbine (23), a central shaft (26), an elastic strip (28) and a cleaning arm (29); The inner side of the working cylinder (13) is slidably connected to a piston block (25), a circulation channel (33) is recessed on the piston block (25), the central shaft (26) extends into the middle of the piston block (25), the length of the central shaft (26) is more than three times the thickness of the piston block (25), one end of the central shaft (26) is provided with a turbine (23), the turbine (23) is connected to a cleaning member (24) through a push rod, the cleaning member (24) is provided with a cleaning strip, the other end of the central shaft (26) is provided with a plurality of evenly distributed elastic strips (28), and the end of the elastic strip (28) away from the central shaft (26) is provided with a cleaning arm (29); The cleaning mechanism further comprises a cleaning strip (30), the cleaning strip (30) being arranged on the outside of the cleaning arm (29), and the cleaning strip (30) being in the shape of an elongated strip.

6. The nutrient solution delivery device for millet processing according to claim 5, characterized in that: The cleaning mechanism further comprises a restraining cylinder (27), the top of the piston block (25) is provided with a restraining cylinder (27), the inner cavity of the restraining cylinder (27) is truncated, the restraining cylinder (27) is movably connected to an elastic strip (28), and the elastic strip (28) is arc-shaped.

7. The nutrient solution delivery device for millet processing according to claim 5, characterized in that: The outer ring of the cleaning member (24) is evenly provided with cleaning brush strips, and the cleaning brush strips are movably connected to the inner side of the spray nozzle (8).

8. The nutrient solution delivery device for millet processing according to claim 5, characterized in that: A one-way sealing member is provided in the circulation channel (33), and the one-way sealing member includes a one-way limiting member (35) and an elastic arc strip (36). The one-way limiting member (35) is trumpet-shaped, and an elastic arc strip (36) is provided on the outer side of the one-way limiting member (35). The elastic arc strip (36) is made of elastic material.

9. A nutrient solution delivery device for millet processing according to claim 1, characterized in that A limiting arm (19) is provided in an annular shape at the bottom of the working cylinder (13), and the limiting arm (19) is fixedly connected to the inner wall of the working cylinder (13). An elastic block is provided on the upper part of the limiting arm (19), and the piston block (25) is movably connected to the elastic block.

10. The nutrient solution delivery device for millet processing according to claim 1, characterized in that: A movable groove (31) is concavely provided on one side of the working cylinder (13), and a limit platform (22) is movably connected in the movable groove (31). A return spring (21) is provided on the inner side of the limit platform (22) and the movable groove (31). A gate (20) is rotatably connected to the connection between the working cylinder (13) and the drug delivery tube (14), and the limit platform (22) is movably abutted against one end of the gate (20); The limiting platform (22) is provided with a boss, and the boss is movably connected to the piston block (25).

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