Corn seed coating machine and coating method

Abstract

The present invention discloses a corn seed coating machine and a coating method, which relate to the technical field of corn seed coating. The machine includes a coating barrel, and also includes: a medicament quantitative addition mechanism installed on the coating barrel for adding medicament and cleaning the medicament; a medicament full utilization mechanism connected to the coating barrel, which utilizes the medicament on the barrel wall; a heating and stirring mechanism connected to the coating barrel for mixing and drying the corn and the medicament. By installing the medicament quantitative addition mechanism, the present invention adjusts the medicine storage space of the medicament barrel according to the amount of corn to achieve quantitative medicine addition, and performs fixed-point medicine addition during the mixing process to ensure the uniformity of stirring, improve the stirring efficiency, and use the corn to clean the medicament barrel after the medicament is added, so as to avoid the residue inside the medicament barrel from affecting the pesticide content of the corn coating.

Description

Technical Field

[0001] The present invention relates to the technical field of corn seed coating, and particularly to a corn seed coating machine and a coating method. Background Art

[0002] Seed coating refers to a seed technology that uses adhesives or film-forming agents to wrap non-seed materials such as fungicides, insecticides, micronutrients, plant growth regulators, colorants, or fillers around the seeds, so as to make the seeds spherical or basically maintain their original shape, improve stress resistance and disease resistance, accelerate germination, promote seedling emergence, increase yield, and improve quality.

[0003] When coating seeds, it is necessary for workers to obtain the amount of the medicament according to the weight of the seeds through a measuring cup, and then add it to the corn seeds during the stirring process. Then, the workers use the corn during the stirring process to clean the inner wall of the measuring cup. However, all the above processes require manual operation, which is harmful to the human body. Moreover, during the stirring process, the seeds are affected by centrifugal force and the poured medicament is thrown to the side wall, resulting in waste of the medicament and insufficient pesticide content in the corn. Summary of the Invention

[0004] The present invention provides a corn seed coating machine and a coating method to solve the above deficiencies in the prior art.

[0005] To achieve the above object, the present invention adopts the following technical solutions:

[0006] A corn seed coating machine, including a coating barrel, further comprising:

[0007] A medicament quantitative addition mechanism, which is installed on the coating barrel and is used for adding and cleaning the medicament;

[0008] A medicament full utilization mechanism, which is connected to the coating barrel and the medicament full utilization mechanism utilizes the medicament on the barrel wall;

[0009] A heating and stirring mechanism, which is connected to the coating barrel and is used for mixing and drying the corn and the medicament;

[0010] A driving mechanism, which is installed on the coating barrel and is connected to the medicament full utilization mechanism and the heating and stirring mechanism, and is used to drive the medicament full utilization mechanism and the heating and stirring mechanism to operate.

[0011] The coating barrel includes a bracket, the top of the bracket is fixed with a barrel body, the top of the barrel body is communicated with a feeding hopper, and a medicine adding port is opened at the top of the barrel body;

[0012] A discharge port is formed at the bottom of the barrel body, a discharge chute is fixed to the bottom of the barrel body, a plate groove is formed on one side of the discharge port, a baffle is sleeved inside the plate groove and the discharge port, a pull plate is fixed to one side of the baffle, a magnet is fixed to the outer wall of the barrel body, and the magnet attracts the pull plate.

[0013] The medicament quantitative addition mechanism includes a push rod motor fixed to the top of the barrel body. One end of the output shaft of the push rod motor is fixed with a mounting frame. Two rotating shafts I are rotatably connected to both sides of the mounting frame. A medicament barrel is fixed between the two rotating shafts I. The medicament barrel is sleeved inside the medicine adding port. A gear II is fixed to the outside of one end of one of the rotating shafts I. A rack I is arranged on one side of the gear II. The gear II meshes with the rack I during the moving process. A limiting block is fixed to one end of one of the rotating shafts I. A limiting hole is formed through the limiting block. A fillet is formed at the top edge of the limiting hole. A limiting column is sleeved inside the limiting hole, and the limiting column is fixed to the top of the barrel body.

[0014] The medicament quantitative addition mechanism further includes a structure box fixed to one side of the barrel body facing the mounting frame. A rotating shaft II is rotatably connected to the inside of one side of the structure box. A gear III is fixed to one end of the rotating shaft II. A rack II meshes with one side of the gear III. The rack II is fixed to the top of the barrel body. A bevel gear I is fixed to the other end of the rotating shaft II. A screw rod is rotatably connected to the bottom of the structure box. A moving plate is threadedly sleeved on the outside of the screw rod. A bevel gear II is fixed to the top of the screw rod. One side of the bevel gear II meshes with the bevel gear I. A guide rod is fixed to the bottom of the structure box. The guide rod is sleeved inside the moving plate. A receiving tray is fixed to one side of the moving plate. An adjusting block is fixed to the inner wall of the bottom of the receiving tray;

[0015] The medicament quantitative addition mechanism adjusts the medicine storage space of the medicament barrel according to the amount of corn to achieve quantitative medicine addition, and performs fixed-point medicine addition during the mixing process, ensuring the uniformity of stirring, improving the stirring efficiency, and using corn to clean the medicament barrel after the medicine is added, avoiding residues inside the medicament barrel from affecting the pesticide content of the corn coating.

[0016] The medicament full utilization mechanism includes an outer ring sleeved inside the barrel body. An inner ring groove is formed at the bottom of the outer ring. An air outlet is formed through the top of the inner ring groove. An inner ring is sleeved inside the inner ring groove. The inner ring fits with the wall of the inner ring groove. The inner ring is fixed to the inner wall of the bottom of the barrel body. A moving frame is fixed to the top of the outer ring. A reciprocating screw rod is threadedly sleeved inside the moving frame. A one-way gear I is installed on the outside of the top of the reciprocating screw rod. A connecting rod is fixed to the inner wall of the top of the barrel body. A scraping ring is fixed to the bottom of the connecting rod. The scraping ring fits with the inner wall of the outer ring;

[0017] The agent utilization mechanism fully processes and utilizes the agent splashed onto the inner wall, avoiding waste caused by the agent remaining on the barrel body, ensuring the pesticide content of the corn coating, and also reducing the difficulty of cleaning the barrel body later.

[0018] The heating and stirring mechanism includes a third rotating shaft rotatably connected to the top of the barrel body. A one-way gear two is fixed to the outer part of the top end of the third rotating shaft. A spiral stirring rod is fixed to the bottom end of the third rotating shaft. The spiral stirring rod is rotatably connected to the inner wall of the bottom of the barrel body. A heater is fixed inside the spiral stirring rod.

[0019] The driving mechanism includes a motor fixed to the inner wall of the top of the barrel body. A first gear is fixed to the output end of the motor. One side of the first gear meshes with the one-way gear one, and the other side of the first gear meshes with the one-way gear two.

[0020] A controller is fixed to the outer wall of the barrel body. The controller is electrically connected to the motor, the push rod motor, and the heater.

[0021] A method for coating corn seeds, which is applicable to the above-mentioned corn seed coating machine, includes the following steps:

[0022] Step 1: Input the weight of the corn through the controller. The controller starts the push rod motor according to the weight of the corn to drive structures such as the mounting frame, the agent barrel, and the adjusting block to move, adjust and change the space inside the agent barrel, control the amount of agent according to the weight of the corn, and then add the agent into the agent barrel.

[0023] Step 2: Start the push rod motor to push the agent barrel downward. When the third gear is about to disengage from the second rack, the adjusting block pulls out of the agent barrel, the bottom of the agent barrel opens, and the internal agent falls onto the receiving tray along the adjusting block, and then leaks out from the discharge port opened on one side of the receiving tray to the corn below.

[0024] Step 3: Start the motor to drive the first gear to rotate forward. The first gear drives the one-way gear two and the third rotating shaft to rotate. The third rotating shaft drives the spiral stirring rod to rotate, causing the corn to rotate and mix with the agent.

[0025] Step 4: Start the heater after mixing for a specified time. The heater dries the coated corn kernels.

[0026] Step 5: After the corn in the middle position is dried for a specified time, start the motor to drive the first gear to rotate in reverse, causing the reciprocating screw rod to rotate and drive the moving frame and the outer ring to move upward. When the outer ring moves upward, the scraping ring scrapes the agent on the inner wall of the outer ring onto the corn, and then resets. Then the motor drives the first gear to rotate forward and controls the rotation speed to mix the corn. The dried corn remixes the scraped agent, and then continues to dry. When it is completely dry, pull the pull plate to separate from the magnet, pull away the baffle to open the blanking port, and make the coated corn leak out from the blanking chute to complete the coating.

[0027] Compared with the existing technology, the beneficial effects of the present invention are as follows:

[0028] 1. By installing a reagent quantitative addition mechanism, the present invention adjusts the medicine storage space of the reagent barrel according to the amount of corn to achieve quantitative medicine addition, and performs fixed-point medicine addition during the mixing process, ensuring the uniformity of stirring, improving the stirring efficiency, and using corn to clean the reagent barrel after the medicine is added, avoiding residues inside the reagent barrel from affecting the pesticide content of the corn coating.

[0029] 2. By installing a reagent full utilization mechanism, the present invention processes and utilizes the reagent thrown onto the inner wall, avoiding waste caused by reagent residues on the barrel body, ensuring the pesticide content of the corn coating, and also reducing the difficulty of cleaning the barrel body in the later stage. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a top view structural schematic diagram of the corn seed coating machine proposed by the present invention.

[0031] Figure 2 It is a top view structural schematic diagram of the inside of the barrel body of the corn seed coating machine proposed by the present invention.

[0032] Figure 3 It is a bottom view structural schematic diagram of the inside of the barrel body of the corn seed coating machine proposed by the present invention.

[0033] Figure 4 It is a side view structural schematic diagram of the corn seed coating machine proposed by the present invention.

[0034] Figure 5 It is Figure 4 a schematic diagram of the internal structure of the A-A section.

[0035] Figure 6 It is an enlarged structural schematic diagram at position A inside.

[0036] Figure 7 It is a schematic diagram of the internal structure of the outer ring.

[0037] Figure 8 It is a structural schematic diagram of the reagent quantitative addition mechanism of the corn seed coating machine proposed by the present invention.

[0038] Figure 9 It is a schematic diagram of the internal structure of the structure box of the corn seed coating machine proposed by the present invention.

[0039] In the figure: 1. Coating barrel; 11. Bracket; 12. Barrel body; 13. Feeding hopper; 14. Chemical adding port; 15. Discharging port; 16. Feeding chute; 17. Baffle; 18. Pulling plate; 19. Magnet; 2. Chemical quantitative adding mechanism; 21. Push rod motor; 22. Mounting frame; 23. Chemical barrel; 24. Second gear; 25. Limit block; 26. Limit post; 27. First rack; 28. Structure box; 29. Second rotating shaft; 210. Third gear; 211. First bevel gear; 212. Screw rod; 213. Second bevel gear; 214. Guide rod; 215. Moving plate; 216. Material receiving tray; 217. Adjusting block; 218. Second rack; 3. Chemical full utilization mechanism; 31. Outer ring; 32. Moving frame; 33. Reciprocating screw rod; 34. First one-way gear; 35. Inner ring groove; 36. Inner ring; 37. Air outlet; 38. Scraping ring; 39. Connecting rod; 4. Heating and stirring mechanism; 41. Spiral stirring rod; 42. Heater; 43. Third rotating shaft; 44. Second one-way gear; 5. Driving mechanism; 51. Motor; 52. First gear. Detailed implementation mode

[0040] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0041] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0042] In addition, the terms "first" and "second" are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of the said features. In the description of the present invention, "a plurality of" means two or more, unless otherwise specifically defined. In addition, the terms "installed", "connected", and "coupled" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0043] Example 1: Refer to Figures 1 - 9 : A corn seed coating machine, including a coating barrel 1, further including:

[0044] A medicament metering and adding mechanism 2, which is installed on the coating barrel 1 and is used for adding medicament and cleaning the medicament;

[0045] A medicament full utilization mechanism 3, which is connected to the coating barrel 1, and the medicament full utilization mechanism 3 utilizes the medicament on the barrel wall;

[0046] A heating and stirring mechanism 4, which is connected to the coating barrel 1 and is used for mixing and drying the corn and the medicament;

[0047] A driving mechanism 5, which is installed on the coating barrel 1 and is connected to the medicament full utilization mechanism 3 and the heating and stirring mechanism 4, and is used for driving the medicament full utilization mechanism 3 and the heating and stirring mechanism 4 to operate.

[0048] The coating barrel 1 includes a bracket 11, the top of the bracket 11 is fixed with a barrel body 12, the top of the barrel body 12 is communicated with a feeding hopper 13, and a medicament adding port 14 is opened at the top of the barrel body 12;

[0049] A discharging port 15 is opened at the bottom of the barrel body 12, a discharging chute 16 is fixed at the bottom of the barrel body 12, a plate groove is opened on one side of the discharging port 15, a baffle 17 is sleeved inside the plate groove and the discharging port 15, a pulling plate 18 is fixed on one side of the baffle 17, and a magnet 19 is fixed on the outer wall of the barrel body 12, and the magnet 19 attracts the pulling plate 18.

[0050] The chemical agent quantitative addition mechanism 2 includes a push rod motor 21 fixed to the top of the barrel body 12. One end of the output shaft of the push rod motor 21 is fixed with a mounting frame 22. Two first rotating shafts are rotatably connected to both sides of the mounting frame 22. A chemical agent barrel 23 is fixed between the two first rotating shafts. The chemical agent barrel 23 is sleeved inside the chemical agent adding port 14. A second gear 24 is fixed to the outside of one end of the first rotating shaft. A first rack 27 is arranged on one side of the second gear 24. The second gear 24 meshes with the first rack 27 during movement. A limit block 25 is fixed to one end of the first rotating shaft. A limit hole is penetrated through the limit block 25. A fillet is provided at the top edge of the limit hole. A limit post 26 is sleeved inside the limit hole. The limit post 26 is fixedly connected to the top of the barrel body 12.

[0051] The chemical agent quantitative addition mechanism 2 further includes a structure box 28 fixed to the side of the barrel body 12 facing the mounting frame 22. A second rotating shaft 29 is rotatably connected to the inside of one side of the structure box 28. A third gear 210 is fixed to one end of the second rotating shaft 29. A second rack 218 is meshed with one side of the third gear 210. The second rack 218 is fixed to the top of the barrel body 12. A first bevel gear 211 is fixed to the other end of the second rotating shaft 29. A screw rod 212 is rotatably connected to the bottom of the structure box 28. A moving plate 215 is threadedly sleeved on the outside of the screw rod 212. A second bevel gear 213 is fixed to the top end of the screw rod 212. One side of the second bevel gear 213 is meshed with the first bevel gear 211. A guide rod 214 is fixed to the bottom of the structure box 28. The guide rod 214 is sleeved inside the moving plate 215. A receiving tray 216 is fixed to one side of the moving plate 215. An adjusting block 217 is fixed to the inner wall of the bottom of the receiving tray 216;

[0052] The chemical agent quantitative addition mechanism 2 adjusts the storage space of the chemical agent barrel 23 according to the amount of corn to achieve quantitative chemical agent addition, and performs fixed-point chemical agent addition during the mixing process, ensuring the uniformity of stirring, improving the stirring efficiency, and cleaning the chemical agent barrel 23 with corn after the chemical agent is added, avoiding residues inside the chemical agent barrel 23 from affecting the pesticide content of the corn coating.

[0053] The chemical agent full utilization mechanism 3 includes an outer ring 31 sleeved inside the barrel body 12. An inner ring groove 35 is provided at the bottom of the outer ring 31. An air outlet 37 is penetrated through the top of the inner ring groove 35. An inner ring 36 is sleeved inside the inner ring groove 35. The inner ring 36 is attached to the wall of the inner ring groove 35. The inner ring 36 is fixed to the inner wall of the bottom of the barrel body 12. A moving frame 32 is fixed to the top of the outer ring 31. A reciprocating screw rod 33 is threadedly sleeved inside the moving frame 32. A first one-way gear 34 is installed on the outside of the top end of the reciprocating screw rod 33. A connecting rod 39 is fixed to the inner wall of the top of the barrel body 12. A scraping ring 38 is fixed to the bottom of the connecting rod 39. The scraping ring 38 is attached to the inner wall of the outer ring 31;

[0054] The agent utilization mechanism 3 fully utilizes the agent splashed onto the inner wall for treatment and utilization, avoiding waste caused by the agent remaining on the barrel body 12, ensuring the pesticide content of the corn coating, and also reducing the difficulty of cleaning the barrel body 12 in the later stage.

[0055] The heating and stirring mechanism 4 includes a third rotating shaft 43 rotatably connected to the top of the barrel body 12. An idler gear two 44 is fixed to the outer part of the top end of the third rotating shaft 43. A spiral stirring rod 41 is fixed to the bottom end of the third rotating shaft 43. The spiral stirring rod 41 is rotatably connected to the inner wall of the bottom of the barrel body 12. A heater 42 is fixed inside the spiral stirring rod 41.

[0056] The driving mechanism 5 includes a motor 51 fixed to the inner wall of the top of the barrel body 12. A first gear 52 is fixed to the output end of the motor 51. One side of the first gear 52 meshes with the idler gear one 34, and the other side of the first gear 52 meshes with the idler gear two 44.

[0057] A controller is fixed to the outer wall of the barrel body 12. The controller is electrically connected to the motor 51, the push rod motor 21, and the heater 42.

[0058] Example 2: Refer to Figures 2 - 9 : On the basis of Example 1, this example provides a method for coating corn seeds, which is applicable to the above-mentioned corn seed coating machine and includes the following steps:

[0059] Step 1: Input the weight of the corn through the controller. The controller starts the push rod motor 21 to drive structures such as the mounting frame 22, the agent barrel 23, and the adjusting block 217 to move, adjust and change the space inside the agent barrel 23, control the amount of agent according to the weight of the corn, and then add the agent into the agent barrel 23.

[0060] Step 2: Start the push rod motor 21 to push the agent barrel 23 downward. When the third gear 210 is about to disengage from the second rack 218, the adjusting block 217 pulls out of the agent barrel 23, the bottom of the agent barrel 23 opens, and the internal agent falls onto the receiving tray 216 along the adjusting block 217, and then leaks out from the discharge port opened on one side of the receiving tray 216 onto the corn below.

[0061] Step 3: Start the motor 51 to drive the first gear 52 to rotate forward. The first gear 52 drives the idler gear two 44 and the third rotating shaft 43 to rotate. The rotation of the third rotating shaft 43 drives the spiral stirring rod 41 to rotate, causing the corn to rotate and mix with the agent.

[0062] Step 4: After mixing for a specified time, start the heater 42. The heater 42 dries the coated corn kernels.

[0063] Step 5: After the corn in the middle position has been dried for the specified time, start the motor 51 to drive the first gear 52 to reverse, so that the reciprocating screw 33 rotates to drive the moving frame 32 and the outer ring 31 to move upward. When the outer ring 31 moves upward, the scraping ring 38 scrapes the medicament on the inner wall of the outer ring 31 onto the corn, and then resets. Then, the motor 51 drives the first gear 52 to rotate forward and controls the rotation speed to mix the corn. The dried corn remixes the scraped medicament and then continues to be dried. When it is completely dried, pull the pull plate 18 to separate it from the magnet 19, pull the baffle 17 away to open the discharge port 15, so that the coated corn leaks out from the discharge chute 16 to complete the coating.

[0064] Working principle:

[0065] Input the weight of the corn through the controller. The controller starts the push rod motor 21 according to the weight of the corn to drive structures such as the mounting frame 22, the medicament barrel 23, and the adjusting block 217 to move up or down. Moving up makes the length of the adjusting block 217 inserted into the medicament barrel 23 increase, and moving down makes the length of the adjusting block 217 inserted into the medicament barrel 23 decrease or even pull out of the medicament barrel 23. The length of the adjusting block 217 in the medicament barrel 23 can change the space in the medicament barrel 23, thereby controlling the amount of medicament added. Add the specified amount of medicament according to the weight of the corn. When moving up, the push rod motor 21 pulls the mounting frame 22 to drive the first rotating shaft, the second gear 24, the limiting block 25, the medicament barrel 23, the structure box 28, the second rotating shaft 29, the third gear 210, the first bevel gear 211, the screw 212, the guide rod 214, the second bevel gear 213, the moving plate 215, the receiving tray 216, and the adjusting block 217 to move up synchronously. When the third gear 210 moves up, it meshes with the second rack 218. The third gear 210 drives the second rotating shaft 29, the first bevel gear 211, the second bevel gear 213, and the screw 212 to rotate, so that the moving plate 215 drives the receiving tray 216 and the adjusting block 217 to move up. The more the adjusting block 217 is inserted, the smaller the space in the medicament barrel 23, and the amount of medicament poured in will be controlled. When moving down, the adjusting block 217 gradually pulls out of the medicament barrel 23. The more it is pulled out, the larger the internal space of the medicament barrel 23, and the larger the amount of medicament loaded. When the third gear 210 is about to disengage from the second rack 218, the adjusting block 217 pulls out of the medicament barrel 23, the bottom of the medicament barrel 23 opens, and the internal medicament falls onto the receiving tray 216 along the adjusting block 217 and then leaks out from the discharge port opened on one side of the receiving tray 216 onto the corn below. If it is necessary to control the adjusting block 217 to move up and down reciprocally during mixing, open the bottom of the medicament barrel 23 at a fixed point or regularly to achieve fixed-point and regular feeding;

[0066] When the medicament in the medicament barrel 23 is used up, the push rod motor 21 continues to drive the mounting frame 22 to synchronously move upward with the first rotating shaft, the second gear 24, the limiting block 25, the medicament barrel 23, the structure box 28, the second rotating shaft 29, the third gear 210, the first bevel gear 211, the screw rod 212, the guide rod 214, the second bevel gear 213, the moving plate 215, the receiving tray 216 and the adjusting block 217. When the third gear 210 moves upward, it meshes with the second rack 218. The third gear 210 drives the second rotating shaft 29, the first bevel gear 211, the second bevel gear 213 and the screw rod 212 to move downward. The limiting block 25 disengages from the limiting post 26. Then, the second gear 24 meshes with the first rack 27. The second gear 24 rotates to drive the first rotating shaft and the medicament barrel 23 to rotate. When the second gear 24 disengages from the first rack 27, the medicament barrel 23 is in a horizontal state. Structures such as the structure box 28 follow the flipping. After flipping, the structure box 28 is limited by the mounting frame 22, and the medicament barrel 23 cannot continue to rotate. Continuing to move downward makes the medicament barrel 23 insert into the corn during the stirring process. The rotation direction of the stirred corn is opposite to the orientation of the medicament barrel 23. The rotating corn will pass through the medicament barrel 23 and contact the adjusting block 217 and the receiving tray 216, taking away the residual medicament. To ensure the stability of the medicament barrel 23, there is strong friction at the connection between the first rotating shaft and the mounting frame 22. In addition, the mounting frame 22 limits the structure box 28, so that structures such as the medicament barrel 23 can correctly move upward and reset;

[0067] When stirring and mixing are required, the motor 51 drives the first gear 52 to rotate forward, meeting the rotation direction for the one-way second gear 44 to drive the third rotating shaft 43 to rotate. The third rotating shaft 43 rotates to drive the spiral stirring rod 41 to rotate and drive the corn to rotate to mix the medicament. When the corn rotates, the medicament will be thrown onto the inner wall of the outer ring 31 due to centrifugal force. When mixing reaches a certain degree, the heater 42 is started. The heater 42 dries the coated corn kernels. The heat diffuses from the middle to the outside. When the corn in the middle position is dried to a certain degree, the motor 51 is started to drive the first gear 52 to rotate in reverse, so that the reciprocating screw rod 33 rotates to drive the moving frame 32 and the outer ring 31 to move upward. When the outer ring 31 moves upward, the scraping ring 38 scrapes the medicament on the inner wall of the outer ring 31 onto the corn, and then resets. Then, the motor 51 drives the first gear 52 to rotate forward and controls the rotation speed to mix the corn. The dried corn remixes the scraped medicament. The dried coating is also more likely to adhere to the medicament on the surface, avoiding the residue and waste of the medicament. After complete drying, the pull plate 18 is pulled to separate from the magnet 19, and the baffle 17 is pulled away to open the blanking port 15, so that the coated corn leaks out from the blanking groove 16 to complete the coating.

[0068] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and all should be covered within the protection scope of the present invention.

Claims

1. A corn seed coating machine, comprising a coating barrel (1), characterized in that: Also includes: A medicine quantitative adding mechanism (2), which is installed on the coating barrel (1) and is used for adding medicine and cleaning medicine; A medicine full utilization mechanism (3) is connected to the coating barrel (1), and the medicine full utilization mechanism (3) utilizes the medicine on the barrel wall; A heating and stirring mechanism (4) connected to the coating barrel (1) and used for mixing and drying the corn and the medicine; A driving mechanism (5) is mounted on the coating barrel (1) and is connected to the medicine full utilization mechanism (3) and the heating and stirring mechanism (4) to drive the medicine full utilization mechanism (3) and the heating and stirring mechanism (4) to operate; The quantitative medicine adding mechanism (2) comprises a push rod motor (21) fixed to the top of the barrel (12), one end of the output shaft of the push rod motor (21) is fixed with a mounting frame (22), two sides of the mounting frame (22) are rotatably connected with two rotating shafts 1, a medicine barrel (23) is fixed between the two rotating shafts 1, the medicine barrel (23) is sleeved inside the medicine adding port (14), one end of one of the rotating shafts 1 is fixed with a gear 2 (24), one side of the gear 2 (24) is provided with a rack 1 (27), the gear 2 (24) is meshed with the rack 1 (27) during the movement, one end of one of the rotating shafts 1 is fixed with a limit block (25), a limit hole is penetrated through the limit block (25), the top edge of the limit hole is provided with a rounded corner, a limit column (26) is sleeved inside the limit hole, and the limit column (26) is fixedly connected to the top of the barrel (12); The rotation of gear 2 (24) drives the rotating shaft 1 and the medicine barrel (23) to rotate. When the gear 2 (24) is disengaged from the rack 1 (27), the medicine barrel (23) is in a horizontal state, and the structural box (28) follows the flip and continues to move downward so that the medicine barrel (23) is inserted into the corn in the stirring process. The rotating corn will pass through the medicine barrel (23) and contact the adjustment block (217) and the receiving plate (216), taking away the residual medicine.

2. The corn seed coating machine according to claim 1, characterized in that: The coating barrel (1) comprises a support (11), a barrel body (12) is fixed on the top of the support (11), the top of the barrel body (12) is connected to a lower hopper (13), and a drug addition port (14) is provided on the top of the barrel body (12); A material discharge port (15) is provided at the bottom of the barrel body (12), a material discharge trough (16) is fixed at the bottom of the barrel body (12), a plate groove is provided on one side of the material discharge port (15), a baffle (17) is sleeved inside the plate groove and the material discharge port (15), a pull plate (18) is fixed on one side of the baffle (17), and a magnet (19) is fixed on the outer wall of the barrel body (12), and the magnet (19) and the pull plate (18) are attracted to each other.

3. The corn seed coating machine according to claim 2, characterized in that: The quantitative medicine adding mechanism (2) further comprises a structural box (28) fixed to the barrel body (12) facing the mounting frame (22), one side of the structural box (28) is internally rotatably connected to a second rotating shaft (29), one end of the second rotating shaft (29) is fixed to a third gear (210), one side of the third gear (210) is meshed with a second rack (218), the second rack (218) is fixed to the top of the barrel body (12), the other end of the second rotating shaft (29) is fixed to a first bevel gear (211), and the bottom of the structural box (28) is rotatably connected to a screw A rod (212), the outer thread of the screw rod (212) is sleeved with a movable plate (215), a bevel gear 2 (213) is fixed to the top of the screw rod (212), one side of the bevel gear 2 (213) is meshed with the bevel gear 1 (211), a guide rod (214) is fixed to the bottom of the structural box (28), the guide rod (214) is sleeved inside the movable plate (215), a material receiving tray (216) is fixed to one side of the movable plate (215), and an adjustment block (217) is fixed to the bottom inner wall of the material receiving tray (216).

4. The corn seed coating machine according to claim 3, characterized in that: The medicine full utilization mechanism (3) comprises an outer ring (31) sleeved inside the barrel body (12); an inner ring groove (35) is provided at the bottom of the outer ring (31); an air outlet (37) is provided through the top of the inner ring groove (35); an inner ring (36) is sleeved inside the inner ring groove (35); the inner ring (36) is in contact with the wall of the inner ring groove (35); the inner ring (36) is fixed to the bottom inner wall of the barrel body (12); a moving frame (32) is fixed on the top of the outer ring (31); a reciprocating screw (33) is sleeved on the internal thread of the moving frame (32); a one-way gear (34) is installed on the top of the reciprocating screw (33); a connecting rod (39) is fixed to the inner wall of the top of the barrel body (12); a scraper ring (38) is fixed to the bottom of the connecting rod (39); the scraper ring (38) is in contact with the inner wall of the outer ring (31).

5. The corn seed coating machine according to claim 4, characterized in that: The heating and stirring mechanism (4) comprises a rotating shaft (43) rotatably connected to the top of the barrel body (12); a one-way gear (44) is fixed to the outside of the top of the rotating shaft (43); a spiral stirring rod (41) is fixed to the bottom of the rotating shaft (43); the spiral stirring rod (41) is rotatably connected to the inner wall of the bottom of the barrel body (12); and a heater (42) is fixed inside the spiral stirring rod (41).

6. The corn seed coating machine according to claim 5, characterized in that: The driving mechanism (5) comprises a motor (51) fixed to the inner wall of the top of the barrel body (12); a gear 1 (52) is fixed to the output end of the motor (51); one side of the gear 1 (52) is meshed with a one-way gear 1 (34); and the other side of the gear 1 (52) is meshed with a one-way gear 2 (44).

7. The corn seed coating machine according to claim 6, characterized in that: A controller is fixed to the outer wall of the barrel body (12), and the controller is electrically connected to the motor (51), the push rod motor (21) and the heater (42).

8. A corn seed coating method, which is applicable to the corn seed coating machine described in claim 7, characterized in that: The following steps are involved: Step 1: The weight of the corn is input through the controller, and the controller starts the push rod motor (21) according to the weight of the corn to drive the mounting frame (22), the medicine barrel (23) and the adjustment block (217) to move, adjust and change the space in the medicine barrel (23), control the amount of medicine according to the weight of the corn, and then add medicine into the medicine barrel (23); Step 2: Start the push rod motor (21) to push the medicine barrel (23) downward. When the gear 3 (210) and the rack 2 (218) are about to be disengaged, the adjusting block (217) pulls out the medicine barrel (23). The bottom of the medicine barrel (23) opens, and the medicine inside falls onto the receiving plate (216) along the adjusting block (217), and then leaks out from the discharge port opened on one side of the receiving plate (216) onto the corn below; When the medicine in the medicine barrel (23) is used up, the push rod motor (21) continues to drive the mounting frame (22) to drive the rotating shaft 1, gear 2 (24), the limit block (25), the medicine barrel (23), the structural box (28), the rotating shaft 2 (29), the gear 3 (210), the bevel gear 1 (211), the screw (212), the guide rod (214), the bevel gear 2 (213), the moving plate (215), the receiving plate (216) and the adjusting block (217) to move upward synchronously. When the gear 3 (210) moves upward, it meshes with the rack 2 (218). The gear 3 (210) drives the rotating shaft 2 (29), the bevel gear 1 (211), the bevel gear 2 (213) and the screw (212) to move downward. The limit block (25) disengages from the limiting column (26), and then the gear 2 (24) meshes with the rack 1 (27), and the gear 2 (24) rotates to drive the rotating shaft 1 and the medicine barrel (23) to rotate. When the gear 2 (24) and the rack 1 (27) are disengaged, the medicine barrel (23) is in a horizontal state, and the structural box (28) follows the flip. After the flip, the structural box (28) is limited by the mounting frame (22), and the medicine barrel (23) cannot continue to rotate. It continues to move downward so that the medicine barrel (23) is inserted into the corn in the stirring process. The stirring rotation direction of the corn is opposite to the direction of the medicine barrel (23). The rotating corn will pass through the medicine barrel (23) and contact the adjustment block (217) and the receiving plate (216), taking away the residual medicine; Step 3: Starting the motor (51) drives the gear 1 (52) to rotate forward, the gear 1 (52) drives the one-way gear 2 (44) and the rotating shaft 3 (43) to rotate, the rotating shaft 3 (43) drives the spiral stirring rod (41) to rotate so that the corn rotates and is mixed with the medicine; Step 4: After mixing for a specified time, the heater (42) is started, and the heater (42) dries the coated corn kernels; Step 5: After the corn at the middle position is dried for a specified time, the motor (51) is started to drive the gear 1 (52) to rotate in the reverse direction, so that the reciprocating screw (33) rotates to drive the movable frame (32) and the outer ring (31) to move upward. When the outer ring (31) moves upward, the scraper ring (38) scrapes the medicine on the inner wall of the outer ring (31) onto the corn, and then resets. Then the motor (51) drives the gear 1 (52) to rotate forward and controls the speed to mix the corn. The dried corn mixes the scraped medicine again and then continues to dry. When it is completely dry, the pull plate (18) is pulled apart from the magnet (19), and the baffle (17) is pulled away to open the discharge port (15), so that the coated corn leaks out from the discharge chute (16), and the coating is completed.

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