Crop seed coating device and method based on alternate mixing

Abstract

The invention relates to the technical field of crop seed treatment, in particular to a crop seed coating device and method based on alternate mixing, and the crop seed coating device comprises a supporting frame body which is provided with a coating box body; the mixing mechanism comprises a vertical conveying assembly and a stirring assembly, the vertical conveying assembly can convey crop seeds at the bottom of the coating box body to the upper part, the stirring assembly is used for mixing the crop seeds and a coating agent, and a flow guide plate is arranged on the stirring assembly; the power assembly can alternately drive the vertical conveying assembly and the stirring assembly to act; the adjusting assembly is arranged in the coating box body and connected with the stirring assembly, the adjusting assembly comprises a lifting structure and a discharging structure, the lifting structure can change the deflection angle of the flow guide plate and the flow of the coating agent entering the coating box body, and the discharging structure can make the coating agent intermittently flow into the coating box body so as to improve the coating effect; and the mixing ratio can be adjusted according to different requirements.

Description

Technical Field

[0001] The invention relates to the technical field of crop seed processing, and in particular to a crop seed coating device and method based on alternating mixing. Background Art

[0002] Crop seed coating refers to the use of liquid coating agents to form a coating film on the surface of seeds, and then wrap fungicides, pesticides, micro-fertilizers, plant growth regulators, colorants or fillers and other powders around the outside of the seeds to make the seeds spherical or basically maintain their original shape, improve stress and disease resistance, accelerate germination, promote seedling formation, increase yield and improve quality.

[0003] However, different types of crop seeds require different amounts of coating agents when cultivated in different soil types. This requires adding different amounts of coating agents to the seeds during the seed coating process. Although the existing coating agents can change the amount of coating agents added, the mixing efficiency is consistent when the coating agents and seeds are mixed, resulting in a mismatch between the mixing speed and the amount of coating agents, causing the mixing time to be too long, which can easily damage the biological structure of the seeds. Summary of the invention

[0004] The object of the present invention is to provide a crop seed coating device and method based on alternating mixing to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions: A crop seed coating device based on alternating mixing, comprising: A supporting frame, on which a coating box for carrying crop seeds and a coating agent is disposed; A mixing mechanism is arranged in the coating box, the mixing mechanism includes a vertical conveying component and a stirring component, the vertical conveying component can convey the crop seeds at the bottom of the coating box to the upper part, the stirring component is used to mix the crop seeds and the coating agent, and the stirring component is provided with a reversible guide plate; A power assembly connected to the vertical conveying assembly and the stirring assembly, wherein the power assembly can alternately drive the vertical conveying assembly and the stirring assembly to move; An adjusting component is arranged in the coating box and connected to the stirring component. The adjusting component includes a lifting structure and a feeding structure. The lifting structure can change the deflection angle of the guide plate and the flow rate of the coating agent entering the coating box, and the feeding structure can make the coating agent intermittently flow into the coating box.

[0006] As a further solution of the present invention: the power assembly includes a driving device fixedly mounted on the bottom of the coating box, and the output shaft of the driving device is connected to the Maltese cross movement structure arranged at the bottom of the coating box; The Maltese cross movement structure includes a driving wheel rotatably mounted on the coating box body and a No. 1 driven wheel and a No. 2 driven wheel adapted to the driving wheel, the rotating shaft of the driving wheel is coaxially fixedly connected to the output shaft of the driving device, the No. 1 driven wheel is connected to the vertical conveying assembly via a No. 1 belt, and the No. 2 driven wheel is connected to the stirring assembly via a No. 2 belt.

[0007] As a further solution of the present invention: the vertical conveying assembly includes a conveying pipe fixedly installed in the coating box, the bottom of the conveying pipe is circumferentially provided with a plurality of feed ports, the top of the conveying pipe is provided with an upper bucket connected thereto, a conical surface is formed in the upper bucket, and a plurality of discharge buckets are provided on the side wall of the upper bucket; The vertical conveying assembly also includes a twisting rod rotatably installed in the conveying pipe and connected to the first belt. When the twisting rod rotates, it can cooperate with the inner wall of the conveying pipe to convey the crop seeds.

[0008] As a further solution of the present invention: the stirring assembly includes a stirring member rotatably mounted in the coating box, the rotating shaft of the stirring member is coaxial with the rotating shaft of the twisting stick, and the rotating shaft of the twisting stick passes through the stirring member, and the upper end of the stirring member is also provided with a collar, and the collar can slide in an annular groove provided on the outer wall of the conveying pipe; The stirring member is connected to the second belt, and two follower plates are symmetrically arranged on the stirring member.

[0009] As a further solution of the present invention: the lifting structure includes a retardation groove formed on the stirring member, a connecting rod is slidably installed in the retardation groove, one end of the connecting rod is provided with a sliding portion, and the other end is connected to the guide plate through a connecting kit; The lifting structure also includes an electric telescopic rod fixedly installed in the coating box, a lifting ring is fixed on the action end of the electric telescopic rod, and the sliding part can slide in a groove formed in the lifting ring; The lifting ring is also connected to a flow changing kit arranged on the coating box, and the flow changing kit can change the flow rate of the coating agent entering the coating box.

[0010] As a further solution of the present invention: the connecting kit includes an engaging block rotatably mounted on the connecting rod and an engaging groove formed on the side of the guide plate, and the engaging block can slide in the engaging groove.

[0011] As a further solution of the present invention: the flow conversion kit includes a communication box fixedly mounted on the coating box, the communication box has a built-in partition, and a communication hole is formed on the partition; The flow conversion kit also includes a blocking plate that penetrates the connecting box and slides in contact with the surface of the partition. The blocking plate is provided with a conducting port that matches the connecting hole, and the blocking plate is fixedly connected to the lifting ring.

[0012] As a further solution of the present invention: the feeding structure includes a sealing ring coaxially fixedly connected to the stirring element and two feeding pipes fixed to the coating box and connected to the connecting box, and the feeding pipes cooperate with the arc-shaped holes arranged on the sealing ring to enable the coating agent to enter the coating box.

[0013] A method for coating crop seeds using the crop seed coating device based on alternating mixing comprises the following steps: Step 1: pour the crop seeds to be coated into the coating box, and then connect the flow change kit with the external coating agent feeding device through pipelines; Step 2: Formulate mixing schemes with different proportions according to the needs of different crop seeds, and then control the lifting structure action according to the selected mixing scheme; Step 3: When the lifting structure is in motion, it will drive the guide plate to deflect and change the flow rate of the coating agent entering the coating box through the flow changing kit; Step 4: Start the power assembly, which will alternately drive the vertical conveying assembly and the stirring assembly to operate. When the vertical conveying assembly operates, the crop seeds at the bottom of the coating box can be transported to the upper part of the coating box. When the stirring assembly operates, the crop seeds and the coating agent in the coating box can be mixed, and when the stirring assembly operates, the coating agent can intermittently fall into the coating box. Step 5: Repeat the above step 4 until the crop seeds are coated.

[0014] Compared with the prior art, the present invention has the following beneficial effects: The power assembly is set up so that the vertical conveying assembly and the stirring assembly can be operated alternately. On the one hand, the output power of the driving device can be effectively utilized to avoid the occurrence of no-load phenomenon. On the other hand, it can avoid the burning of the driving device due to excessive load, thereby improving the durability of the driving device. By providing the vertical conveying component and the stirring component, when mixing the seeds and the coating agent, the seeds have two motion states: being conveyed vertically and being stirred in a circular motion, thereby improving the mixing effect of the lower layer seeds and the coating agent, ensuring the uniformity of the seed coating after mixing, and improving the mixing speed of the seeds and the coating agent. When the follower plate rotates with the stirring member, on the one hand, the seeds and the coating agent in the coating box can be stirred and mixed, and on the other hand, the seeds at the bottom can be loosened, thereby preventing the lower layer seeds from being compacted due to the squeezing of the upper layer seeds, so that the lower layer seeds cannot be transported by the wringer and the conveying tube. By setting the adjustment component, the turning effect of the guide plate on the seeds and the flow rate of the coating agent entering the coating box are mechanically linked, that is, the greater the flow rate of the coating agent, the better the turning effect of the guide plate, so that the flow rate of the coating agent and the turning effect of the guide plate match each other. At the same time, the feed pipe is intermittently connected, so that when the wringer and the stirring piece rotate to mix the seeds and the coating agent, the coating agent can intermittently fall onto the upper part of the seeds. This cooperates with the vertical transportation, turning and stirring of the seeds to improve the mixing effect and mixing speed during coating. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The diagram is a structural diagram of an embodiment of a crop seed coating device based on alternating mixing.

[0016] Figure 2 The present invention is a cross-sectional view of a coating box in one embodiment of a crop seed coating device based on alternating mixing.

[0017] Figure 3 A cross-sectional view of a vertical conveying component in an embodiment of a crop seed coating device based on alternating mixing.

[0018] Figure 4 The present invention is a schematic diagram of the structure of a stirring member and a vertical conveying component in an embodiment of a crop seed coating device based on alternating mixing.

[0019] Figure 5 The present invention is a schematic structural diagram of a Maltese cross movement structure, a vertical conveying component and a stirring component in one embodiment of a crop seed coating device based on alternating mixing.

[0020] Figure 6 The present invention is a schematic diagram of the structure of the regulating component in one embodiment of a crop seed coating device based on alternating mixing.

[0021] Figure 7 The present invention is a schematic diagram of the structure of a lifting ring, a guide plate and a sealing plate in an embodiment of a crop seed coating device based on alternating mixing.

[0022] Figure 8 for Figure 7A magnified view of the structure at center.

[0023] Fig. 9 The present invention is a schematic diagram of the structure of a flow-changing kit in an embodiment of a crop seed coating device based on alternating mixing.

[0024] Fig.10 for Fig. 9 A magnified view of the structure at point B.

[0025] In the figure: 1, support frame; 2, coating box; 3, driving device; 4, driving wheel; 5, No. 1 driven wheel; 6, No. 1 belt; 7, conveying pipe; 701, feed port; 702, annular groove; 8, twisting stick; 9, upper bucket; 901, conical surface; 10, No. 2 driven wheel; 11, No. 2 belt; 12, stirring element; 1201, follower plate; 1202, retardation groove; 1203, sleeve ring; 13, electric telescopic rod; 14, lifting ring; 1401, groove; 15, sliding part; 16, connecting rod; 17, interlocking block; 18, guide plate; 1801, interlocking groove; 19, blocking plate; 1901, conduction port; 20, connecting box; 21, partition; 2101, connecting hole; 22, discharge pipe; 23, blocking ring; 2301, arc hole. DETAILED DESCRIPTION

[0026] 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.

[0027] In addition, when an element in the present invention is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only embodiment.

[0028] See also Figure 1 to Figure 10In an embodiment of the present invention, a crop seed coating device based on alternating mixing includes: a supporting frame 1, a power component, a mixing mechanism and an adjusting component, so that the turning effect of the guide plate 18 on the seeds and the flow rate of the coating agent entering the coating box 2 are mechanically linked, that is, the greater the flow rate of the coating agent, the better the turning effect of the guide plate 18, so that the flow rate of the coating agent and the turning effect of the guide plate 18 match, and at the same time, the feed pipe 22 is intermittently turned on, so that when the wringer 18 and the stirring member 12 rotate to mix the seeds and the coating agent, the coating agent can intermittently fall onto the upper part of the seeds, which cooperates with the vertical transportation, turning and stirring of the seeds to improve the mixing effect and mixing speed during coating.

[0029] The details are as follows: the support frame 1 is provided with a coating box 2 for carrying crop seeds and coating agents; The power assembly is connected to the vertical conveying assembly and the stirring assembly, and the power assembly can alternately drive the vertical conveying assembly and the stirring assembly to move. The power assembly includes a driving device 3 fixedly installed at the bottom of the coating box 2, and the output shaft of the driving device 3 is connected to the Maltese cross movement structure arranged at the bottom of the coating box 2; The Maltese cross movement structure includes a driving wheel 4 rotatably mounted on the coating box 2 and a No. 1 driven wheel 5 and a No. 2 driven wheel 10 adapted to the driving wheel 4, the rotating shaft of the driving wheel 4 is coaxially fixedly connected to the output shaft of the driving device 3, the No. 1 driven wheel 5 is connected to the vertical conveying assembly through a No. 1 belt 6, and the No. 2 driven wheel 10 is connected to the stirring assembly through a No. 2 belt 11.

[0030] When in use, the driving device 3 is controlled to work, and the output shaft of the driving device 3 will drive the driving wheel 4 connected thereto to rotate, and the No. 1 driven wheel 5 and the No. 2 driven wheel 10 cooperate with the driving wheel 4 alternately, so that the No. 1 driven wheel 5 and the No. 2 driven wheel 10 can rotate alternately. Specifically, when the driving wheel 4 cooperates with the No. 1 driven wheel 5 to rotate the No. 1 driven wheel 5, the No. 2 driven wheel 10 is in a locked state, and when the driving wheel 4 cooperates with the No. 2 driven wheel 10 to rotate the No. 2 driven wheel 10, the No. 1 driven wheel 5 is in a locked state. The alternate rotation of the No. 1 driven wheel 5 and the No. 2 driven wheel 10 can drive the vertical conveying assembly and the stirring assembly to operate alternately. On the one hand, this can make the output power of the driving device 3 effectively utilized to avoid the occurrence of no-load phenomenon. On the other hand, in the work of vertically conveying and stirring seeds, the loads required for both are very large, and the alternating action of the vertical conveying assembly and the stirring assembly can avoid the burning caused by excessive load of the driving device 3, thereby improving the durability of the driving device 3.

[0031] Among them, the structures of the above-mentioned No. 1 driven wheel 5 and No. 2 driven wheel 10 are exactly the same, and the two sides of the driving wheel 4 are symmetrically arranged, so that the driving wheel 4 can cooperate with the No. 1 driven wheel 5 and the No. 2 driven wheel 10, and considering that the driving wheel 4 rotates one circle, the rotation angle of the No. 1 driven wheel 5 and the No. 2 driven wheel 10 is relatively small. Taking the attached figure in the present application as an example, the driving wheel 4 rotates one circle, and the No. 1 driven wheel 5 and the No. 2 driven wheel 10 can only rotate a quarter of a circle. Therefore, in order to ensure the effective conveying and stirring of seeds, the No. 1 belt 6 and the No. 2 belt 11 both use acceleration belts, that is, they only rotate a quarter of a circle with the No. 1 driven wheel 5 and the No. 2 driven wheel 10, but can ensure that the vertical conveying component and the stirring component move several circles to maintain the effective conveying and stirring of seeds.

[0032] See also Figure 2~Figure 5 The mixing mechanism is arranged in the coating box 2, and the mixing mechanism includes a vertical conveying component and a stirring component. The vertical conveying component can convey the crop seeds at the bottom of the coating box 2 to the upper part, and the stirring component is used to mix the crop seeds and the coating agent, and a reversible guide plate 18 is arranged on the stirring component; The vertical conveying assembly includes a conveying pipe 7 fixedly installed in the coating box 2, the bottom of the conveying pipe 7 is circumferentially provided with a plurality of feed ports 701, the top of the conveying pipe 7 is provided with an upper bucket 9 connected thereto, a conical surface 901 is formed in the upper bucket 9, and a plurality of discharge buckets are provided on the side wall of the upper bucket 9; The vertical conveying assembly also includes a twisting stick 8 rotatably mounted in the conveying pipe 7 and connected to the first belt 6. When the twisting stick 8 rotates, it can cooperate with the inner wall of the conveying pipe 7 to convey the crop seeds; The stirring assembly includes a stirring member 12 rotatably mounted in the coating box 2, the rotating shaft of the stirring member 12 is coaxial with the rotating shaft of the twisting stick 8, and the rotating shaft of the twisting stick 8 passes through the stirring member 12, and the upper end of the stirring member 12 is also provided with a collar 1203, and the collar 1203 can slide in the annular groove 702 provided on the outer wall of the conveying pipe 7; The stirring member 12 is connected to the second belt 11 , and two follower plates 1201 are symmetrically arranged on the stirring member 12 .

[0033] When the No. 1 driven wheel 5 rotates, the No. 1 driven wheel 5 will drive the twisting rod 8 to rotate through the No. 1 belt 6. At this time, the twisting rod 8 cooperates with the inner wall of the conveying tube 7, and can convey the seeds inside the coating box 2 to the upper bucket 9, and under the action of the conical surface 901, the seeds conveyed to the upper bucket 9 enter the discharge hopper, and then the conveyed seeds enter the upper part of the seeds in the coating box 2, that is, the twisting rod 8 cooperates with the conveying tube 7, and can move the seeds at the bottom of the coating box 2 to the upper part, realizing the turning of the seeds, and when mixing the seeds and the coating agent, the seeds and the coating agent can be mixed more evenly, avoiding the phenomenon that after the coating agent is placed in the coating box 2, the seeds at the lower part are mixed slowly with the coating agent, thereby increasing the mixing speed of the seeds and the coating agent.

[0034] When the No. 2 driven wheel 10 rotates, the No. 2 driven wheel 10 will drive the stirring member 12 to rotate through the No. 2 belt 11 to make the follower plate 1201 make a circular motion. When the follower plate 1201 makes a circular motion, on the one hand, the seeds and coating agent in the coating box 2 can be stirred and mixed, and on the other hand, the follower plate 1201 can loosen the seeds at the bottom to avoid the lower layer seeds from being compacted due to the squeezing of the upper layer seeds, making the lower layer seeds unable to be transported by the wringer 8 and the conveying tube 7.

[0035] Through the above-mentioned arrangement, when mixing seeds and coating agents, the seeds have two movement states: being vertically transported and being circularly stirred, thereby improving the mixing effect of the lower layer seeds and the coating agent, ensuring the uniformity of the seed coating after mixing, and increasing the mixing speed of the seeds and the coating agent. When the follower plate 1201 rotates following the stirring member 12, on the one hand, the seeds and the coating agent in the coating box 2 can be stirred and mixed, and on the other hand, the seeds at the bottom can be loosened to avoid the lower layer seeds from being compacted due to the squeezing of the upper layer seeds, which makes the lower layer seeds unable to be transported by the wringer 8 and the conveying tube 7.

[0036] See also Figure 6~Figure 10 The regulating component is arranged in the coating box 2 and connected to the stirring component. The regulating component includes a lifting structure and a feeding structure. The lifting structure can change the deflection angle of the guide plate 18 and the flow rate of the coating agent entering the coating box 2. The feeding structure can make the coating agent intermittently flow into the coating box 2; The lifting structure includes a retardation groove 1202 formed on the stirring member 12, a connecting rod 16 is slidably installed in the retardation groove 1202, one end of the connecting rod 16 is provided with a sliding portion 15, and the other end is connected to the guide plate 18 through a connecting kit; The connecting kit includes an engaging block 17 rotatably mounted on the connecting rod 16 and an engaging groove 1801 formed on the side of the guide plate 18, and the engaging block 17 can slide in the engaging groove 1801; The lifting structure also includes an electric telescopic rod 13 fixedly installed in the coating box 2, and a lifting ring 14 is fixed to the action end of the electric telescopic rod 13. The sliding part 15 can slide in a groove 1401 formed in the lifting ring 14. Exemplarily, the above-mentioned electric telescopic rod 13 can also be equivalently replaced by a hydraulic cylinder or a pneumatic cylinder, which is not elaborated in this application and can be selected according to actual conditions.

[0037] The lifting ring 14 is also connected to a flow changing kit arranged on the coating box 2, and the flow changing kit can change the flow of the coating agent entering the coating box 2, and the flow changing kit includes a connecting box 20 fixedly mounted on the coating box 2, and the connecting box 20 has a built-in partition 21, and the partition 21 is formed with a connecting hole 2101; The flow conversion kit further includes a blocking plate 19 that penetrates the communication box 20 and slides with the surface of the partition 21, the blocking plate 19 is provided with a conducting port 1901 that is adapted to the communication hole 2101, and the blocking plate 19 is fixedly connected to the lifting ring 14; The feeding structure includes a sealing ring 23 coaxially fixedly connected to the stirring element 12 and two feeding pipes 22 fixed in the coating box 2 and connected to the connecting box 20. The feeding pipes 22 cooperate with the arc-shaped holes 2301 provided on the sealing ring 23 to enable the coating agent to enter the coating box 2.

[0038] When in use, we can choose different mixing ratios according to the needs of different seeds. In actual use, when a larger coating dose is required, the electric telescopic rod 13 can be controlled to move, thereby driving the lifting ring 14 connected thereto to move upward. At this time, since the connecting rod 16 is connected to the lifting ring 14 through the sliding portion 15 and the groove 1401, when the lifting ring 14 moves upward, the connecting rod 16 will also move upward. At this time, the engaging block 17 will follow the connecting rod 16 to move upward, and the engaging block 17 will move away from the rotating shaft of the guide plate 18 along the length direction of the engaging groove 1801, so that the flipping angle of the guide plate 18 is increased, so that when the guide plate 18 follows the stirring member 1 2 When making circular motion, the turning effect of seeds can be improved. Specifically, when the guide plate 18 is in an inclined state, it can push the seeds upward, so that a triangular vacuum area is formed at the rear of the guide plate 18. When the seeds slide to the end of the guide plate 18, the seeds will separate from the guide plate 18 and fall down, so that the seeds can be turned over to improve the mixing effect of the seeds and the coating agent. When the seeds are pushed upward, the squeezing force of the upper seeds on the lower seeds can be reduced, thereby further avoiding the hardening of the lower seeds. When the deflection angle of the guide plate 18 is different, the turning effect of the seeds will also change accordingly, thereby achieving an adjustable mixing effect of the seeds and the coating agent; Among them, the adjustable deflection angle of the guide plate 18 is based on mixing effect and load considerations. The larger the deflection angle of the guide plate 18, the better the mixing effect, but its projection area in the vertical direction is also larger, and the load generated when the stirring element 12 drives it to perform circular motion will also be higher.

[0039] When the deflection angle of the guide plate 18 increases, the height of the sealing plate 19 will also rise along with the lifting ring 14. At this time, the overlapping area of ​​the conducting port 1901 and the connecting hole 2101 will also be larger. At this time, the opening of the connecting hole 2101 will also increase accordingly, thereby increasing the flow rate of the coating agent entering the coating box 2 from the external coating agent feeding device. This enables the flow rate of the coating agent entering the coating box 2 to be adjustable to meet the mixing requirements of different proportions.

[0040] Through the above-mentioned arrangement, the turning effect of the guide plate 18 on the seeds and the flow rate of the coating agent entering the coating box 2 are mechanically linked, that is, the greater the flow rate of the coating agent, the better the turning effect of the guide plate 18, so that the flow rate of the coating agent matches the turning effect of the guide plate 18, thereby improving the mixing effect and mixing speed during coating.

[0041] When the stirring element 12 rotates, the stirring element 12 will also drive the sealing ring 23 to move. At this time, the arc hole 2301 cooperates with the feed pipe 22 to make the feed pipe 22 intermittently conductive, so that when the wringer 18 and the stirring element 12 rotate to mix the seeds and the coating agent, the coating agent can intermittently fall onto the upper part of the seeds. This cooperates with the vertical transportation, turning and stirring of the seeds to further improve the seed coating effect and speed.

[0042] It should be noted that when pouring the crop seeds into the coating box 2 , the height of the crops needs to be lower than (or equal to) the lowest height of the lifting ring 14 to reduce the resistance encountered by the stirring element 12 during rotation.

[0043] A method for coating crop seeds using the crop seed coating device based on alternating mixing comprises the following steps: Step 1: pour the crop seeds to be coated into the coating box 2, and then connect the flow change kit to the external coating agent feeding device through pipelines; Step 2: Formulate mixing schemes with different proportions according to the needs of different crop seeds, and then control the lifting structure action according to the selected mixing scheme; Step 3: When the lifting structure is in motion, it will drive the guide plate 18 to deflect, and change the flow rate of the coating agent entering the coating box 2 through the flow changing kit; Step 4: Start the power assembly, which will alternately drive the vertical conveying assembly and the stirring assembly to operate. When the vertical conveying assembly operates, the crop seeds at the bottom of the coating box 2 can be transported to the upper part of the coating box 2. When the stirring assembly operates, the crop seeds and the coating agent in the coating box 2 can be mixed, and when the stirring assembly operates, the coating agent can intermittently fall into the coating box 2. Step 5: Repeat the above step 4 until the crop seeds are coated.

[0044] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0045] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A crop seed coating device based on alternating mixing, characterized in that: include: A support frame (1), wherein a coating box (2) for carrying crop seeds and a coating agent is arranged on the support frame (1); a mixing mechanism, arranged in the coating box (2), the mixing mechanism comprising a vertical conveying component and a stirring component, the vertical conveying component being capable of conveying the crop seeds at the bottom of the coating box (2) to the upper part, the stirring component being used for mixing the crop seeds and the coating agent, and the stirring component being provided with a reversible guide plate (18); A power assembly connected to the vertical conveying assembly and the stirring assembly, wherein the power assembly can alternately drive the vertical conveying assembly and the stirring assembly to move; An adjusting component is arranged in the coating box (2) and connected to the stirring component, the adjusting component comprises a lifting structure and a feeding structure, the lifting structure is capable of changing the deflection angle of the guide plate (18) and the flow rate of the coating agent entering the coating box (2), and the feeding structure is capable of causing the coating agent to intermittently flow into the coating box (2).

2. The crop seed coating device based on alternating mixing according to claim 1, characterized in that: The power assembly comprises a driving device (3) fixedly mounted on the bottom of the coating box (2), wherein an output shaft of the driving device (3) is connected to a Maltese cross movement structure arranged at the bottom of the coating box (2); The Maltese cross movement structure comprises a driving wheel (4) rotatably mounted on the coating box (2) and a first driven wheel (5) and a second driven wheel (10) adapted to the driving wheel (4), wherein the rotating shaft of the driving wheel (4) is coaxially fixedly connected to the output shaft of the driving device (3), the first driven wheel (5) is connected to the vertical conveying assembly via a first belt (6), and the second driven wheel (10) is connected to the stirring assembly via a second belt (11).

3. The crop seed coating device based on alternating mixing according to claim 2, characterized in that: The vertical conveying assembly comprises a conveying pipe (7) fixedly installed in the coating box (2), the bottom of the conveying pipe (7) is provided with a plurality of feed ports (701) in a circumferential manner, the top of the conveying pipe (7) is provided with an upper bucket (9) in communication with the conveying pipe (7), a conical surface (901) is formed in the upper bucket (9), and a plurality of discharge buckets are provided on the side wall of the upper bucket (9); The vertical conveying assembly further comprises a twisting stick (8) rotatably mounted in the conveying pipe (7) and connected to the first belt (6); when the twisting stick (8) rotates, it can cooperate with the inner wall of the conveying pipe (7) to convey the crop seeds.

4. The crop seed coating device based on alternating mixing according to claim 3, characterized in that: The stirring assembly comprises a stirring member (12) rotatably mounted in the coating box (2), the rotating shaft of the stirring member (12) being coaxial with the rotating shaft of the twisting stick (8), and the rotating shaft of the twisting stick (8) passing through the stirring member (12), and a sleeve (1203) being provided at the upper end of the stirring member (12), and the sleeve (1203) being able to slide in an annular groove (702) provided on the outer wall of the conveying pipe (7); The stirring member (12) is connected to the second belt (11), and two follower plates (1201) are symmetrically arranged on the stirring member (12).

5. The crop seed coating device based on alternating mixing according to claim 4, characterized in that: The lifting structure comprises a retardation groove (1202) formed on the stirring member (12), a connecting rod (16) being slidably mounted in the retardation groove (1202), one end of the connecting rod (16) being provided with a sliding portion (15), and the other end being connected to the guide plate (18) via a connecting kit; The lifting structure further comprises an electric telescopic rod (13) fixedly mounted in the coating box (2), a lifting ring (14) being fixed on the action end of the electric telescopic rod (13), and the sliding part (15) being capable of sliding in a groove (1401) formed in the lifting ring (14); The lifting ring (14) is also connected to a flow changing kit arranged on the coating box (2), and the flow changing kit is capable of changing the flow rate of the coating agent entering the coating box (2).

6. The crop seed coating device based on alternating mixing according to claim 5, characterized in that: The connection kit comprises an engaging block (17) rotatably mounted on the connecting rod (16) and an engaging groove (1801) formed on the side of the guide plate (18), wherein the engaging block (17) is capable of sliding in the engaging groove (1801).

7. The crop seed coating device based on alternating mixing according to claim 5, characterized in that: The flow conversion kit comprises a communication box (20) fixedly mounted on the coating box (2), the communication box (20) having a built-in partition (21), and a communication hole (2101) formed on the partition (21); The flow conversion kit further comprises a sealing plate (19) which penetrates the connecting box (20) and is slidably fitted with the surface of the partition (21); a conducting port (1901) which is adapted to the connecting hole (2101) is provided on the sealing plate (19), and the sealing plate (19) is fixedly connected to the lifting ring (14).

8. The crop seed coating device based on alternating mixing according to claim 7, characterized in that: The material discharge structure comprises a sealing ring (23) coaxially fixedly connected to the stirring element (12) and two material discharge pipes (22) fixed in the coating box (2) and connected to the connecting box (20); the material discharge pipes (22) cooperate with the arc-shaped holes (2301) provided on the sealing ring (23) to enable the coating agent to enter the coating box (2).

9. A method for coating crop seeds using the crop seed coating device based on alternating mixing as claimed in claim 5, characterized in that: The following steps are involved: Step 1: pouring the crop seeds to be coated into the coating box (2), and then connecting the flow change kit to the external coating agent feeding device through pipelines; Step 2: Formulate mixing schemes with different proportions according to the needs of different crop seeds, and then control the lifting structure action according to the selected mixing scheme; Step 3: When the lifting structure is in motion, it drives the guide plate (18) to deflect, and changes the flow rate of the coating agent entering the coating box (2) through the flow changing kit; Step 4: Start the power assembly, which will alternately drive the vertical conveying assembly and the stirring assembly to operate. When the vertical conveying assembly operates, the crop seeds at the bottom of the coating box (2) can be transported to the upper part of the coating box (2). When the stirring assembly operates, the crop seeds and the coating agent in the coating box (2) can be mixed. When the stirring assembly operates, the coating agent can intermittently fall into the coating box (2). Step 5: Repeat the above step 4 until the crop seeds are coated.

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