A mixing device for the preparation of a seed coating

Abstract

The utility model discloses a kind of seed coating preparation's mixing device, it is related to seed coating preparation technical field, including mixing tank, the top of the mixing tank is provided with multiple raw material storage tanks, multiple raw material storage tanks are equidistantly distributed with the center of the circle of mixing tank as center in circular array;The raw material in the raw material storage tank enters conveying cylinder, and will be stored in the storage space formed by partition plate and adjusting plate.After the raw material storage tank enters conveying cylinder, and will be stored in the storage space formed by partition plate and adjusting plate.When it is needed to adjust the discharging amount, rotate the bidirectional screw rod, drive two transmission nuts to move relatively or oppositely in mounting sleeve, transmission nut slides adjusting plate to the direction of far away or close to the center of mounting sleeve by transmission plate, so as to change the size of storage space between two partition plates.After the adjustment of storage space is completed, servo motor drives mounting sleeve to rotate, when storage space rotates to the discharging port of conveying cylinder, raw material will fall into mixing tank, and the setting is convenient for the quantitative control of raw material conveying amount.

Description

Technical Field

[0001] This utility model relates to the field of seed coating agent preparation technology, specifically a mixing device for preparing seed coating agents. Background Technology

[0002] Seed coating agents are an important means of improving seed quality and stress resistance in agricultural production. By forming a uniform protective film on the seed surface, they can effectively prevent and control pests and diseases, supplement nutrients, and promote seed germination and seedling growth, playing a key role in improving crop yield and quality. In the preparation of seed coating agents, the mixing device is one of the core pieces of equipment. Its main function is to fully mix various raw materials (such as fungicides, insecticides, fertilizers, film-forming agents, and adjuvants) in a specific ratio to form a uniform and stable coating agent. However, existing mixing devices for seed coating agent preparation have certain limitations in practical applications, especially in terms of raw material feeding rate adjustment. Most existing mixing devices have relatively simple feeding structures, usually using a fixed-size feeding port or a conveyor component with a single rotation speed for raw material feeding. It is difficult to accurately and flexibly adjust the feeding rate of different raw materials according to actual production needs. For example, some devices only adjust the feeding rate by manually controlling the opening and closing of the feeding valve, which is not only cumbersome and inefficient, but also makes it difficult to ensure the consistency of the feeding ratio of different batches of raw materials, which can easily lead to deviations in the coating agent formulation ratio and affect the coating effect.

[0003] To address these issues, we designed a mixing apparatus for preparing seed coating agents. Utility Model Content

[0004] The purpose of this invention is to provide a mixing device for preparing seed coating agents, so as to solve the problems mentioned in the background art.

[0005] To solve the above-mentioned technical problems, this utility model provides a mixing device for preparing seed coating agents, including a mixing tank. Multiple raw material storage boxes are arranged at the top of the mixing tank in a circumferential array with equal spacing around the center of the mixing tank. A conveying cylinder is connected to the bottom of each raw material storage box. An installation sleeve is rotatably connected inside the conveying cylinder, and multiple partition plates are connected to the top of the sleeve. The partition plates are rotatably distributed along the circumference of the installation sleeve. A bidirectional lead screw is rotatably connected inside the installation sleeve. Two symmetrical transmission nuts are threaded onto the bidirectional lead screw. Multiple transmission plates are rotatably connected to each transmission nut. An adjusting plate is rotatably connected to the other end of each pair of transmission plates. Each adjusting plate is located between two partition plates, forming a storage space. Rotating the bidirectional lead screw can drive the adjusting plate to slide away from the center of the installation sleeve to adjust the size of the storage space. A servo motor that drives the installation sleeve to rotate is connected to one side of the conveying cylinder.

[0006] Furthermore, a guide rod is connected inside the mounting sleeve, and the transmission nut is slidably connected to the guide rod. The transmission nut has a sliding opening that matches the guide rod.

[0007] Furthermore, the raw material storage box is connected to two mutually symmetrical flow guide seats, which are arranged in a triangular shape.

[0008] Furthermore, a stirring rod is rotatably connected inside the mixing tank, and a drive motor for driving the stirring rod to rotate is connected to the top of the mixing tank. Multiple stirring blades are connected to the stirring rod.

[0009] Furthermore, the plurality of stirring blades are arranged in a linear array with equal spacing and staggered along the axial direction of the stirring rod.

[0010] Furthermore, a first sealing sleeve is fitted onto the adjusting plate, and a second sealing sleeve is fitted onto the opposite side of the partition plate and the adjusting plate.

[0011] Compared with the prior art, the beneficial effects of this utility model are: 1. After the raw materials in the raw material storage box enter the conveying cylinder, they are stored in a storage space consisting of a partition plate and an adjusting plate. When it is necessary to adjust the feeding amount, the double-acting screw is rotated, which drives the two transmission nuts to move relative to or towards each other within the mounting sleeve. The transmission nuts push the adjusting plate to slide away from or towards the center of the mounting sleeve through the transmission plate, thereby changing the size of the storage space between the two partition plates. After the storage space is adjusted, the servo motor drives the mounting sleeve to rotate. When the storage space rotates to the feeding port of the conveying cylinder, the raw materials will fall into the mixing tank. This setting facilitates quantitative control of the raw material feeding amount.

[0012] 2. Multiple stirring blades arranged in a linear array with equal spacing along the axis of the stirring rod can increase the contact area with the raw materials and enhance the stirring effect. During operation, the staggered blades generate multi-directional shearing and stirring forces on the raw materials during rotation, avoiding dead zones in the mixing of raw materials and making different raw materials mix more evenly. Attached Figure Description

[0013] Figure 1 This is a three-dimensional structural diagram of the overall external structure of this utility model; Figure 2 This is a first sectional view of the present invention; Figure 3 This is a second sectional view of the present invention; Figure 4 This utility model Figure 3 Enlarged view of point A in the middle; Figure 5 This utility model Figure 2 Enlarged view of point B in the middle.

[0014] In the diagram: 1. Mixing tank; 2. Raw material storage box; 3. Conveying cylinder; 4. Mounting sleeve; 5. Divider plate; 6. Two-way lead screw; 7. Transmission nut; 8. Transmission plate; 9. Adjusting plate; 10. Servo motor; 11. Guide rod; 12. Flow guide seat; 13. Stirring rod; 14. Drive motor; 15. Stirring blade. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0016] Please see Figure 1-5This utility model provides a technical solution: a mixing device for preparing seed coating agent, including a mixing tank 1, with multiple raw material storage boxes 2 arranged on the top of the mixing tank 1, the multiple raw material storage boxes 2 being distributed in a circumferential array with the center of the mixing tank 1 at equal intervals, a conveying cylinder 3 connected to the bottom of the raw material storage boxes 2, an installation sleeve 4 rotatably connected inside the conveying cylinder 3, and multiple partition plates 5 connected to the top of the conveying cylinder 3, the multiple partition plates 5 being distributed at equal intervals along the circumferential direction of the installation sleeve 4, a bidirectional lead screw 6 rotatably connected inside the installation sleeve 4, two mutually symmetrical transmission nuts 7 threaded onto the bidirectional lead screw 6, multiple transmission plates 8 rotatably connected to each transmission nut 7, and an adjusting plate 9 rotatably connected to the other end of every two transmission plates 8 rotatably connected to the transmission plates 8, each adjusting plate 9 being located between two partition plates 5, forming a storage space, wherein rotating the bidirectional lead screw 6 can drive the adjusting plate 9 to slide away from the center of the installation sleeve 4 to adjust the size of the storage space; a servo motor 10 for driving the installation sleeve 4 to rotate is connected to one side of the conveying cylinder 3.

[0017] In practice, after the raw materials in the raw material storage box 2 enter the conveying cylinder 3, they are stored in the storage space formed by the partition plate 5 and the adjusting plate 9. When it is necessary to adjust the feeding amount, the bidirectional lead screw 6 is rotated, which drives the two transmission nuts 7 to move relative to or towards each other within the mounting sleeve 4. The transmission nuts 7 push the adjusting plate 9 to slide away from or towards the center of the mounting sleeve 4 through the transmission plate 8, thereby changing the size of the storage space between the two partition plates 5. After the storage space is adjusted, the servo motor 10 drives the mounting sleeve 4 to rotate. When the storage space rotates to the feeding port of the conveying cylinder 3, the raw materials will fall into the mixing tank 1. This setting facilitates quantitative control of the raw material feeding amount.

[0018] See Figure 1-5 The sleeve 4 is connected to a guide rod 11, and the transmission nut 7 is slidably connected to the guide rod 11. The transmission nut 7 has a sliding opening that matches the guide rod 11.

[0019] In practice, during operation, the transmission nut 7 slides along the guide rod 11 under the drive of the double-acting screw 6, preventing the transmission nut 7 from rotating synchronously with the double-acting screw 6, ensuring that it can only perform linear motion, thereby ensuring the stability of the sliding direction of the adjusting plate 9 and further improving the stability of the storage space size adjustment.

[0020] See Figure 1-5 The raw material storage box 2 is connected to two symmetrical flow guide seats 12, which are arranged in a triangular shape.

[0021] In practice, the raw materials in the raw material storage box 2 slide down the inclined surface of the guide seat 12 under the action of gravity, avoiding the accumulation and residue of raw materials in the storage box, ensuring that the raw materials can fully enter the storage space of the conveying cylinder 3, and ensuring the smoothness of the feeding amount adjustment.

[0022] See Figure 1-5 A stirring rod 13 is rotatably connected inside the mixing tank 1. A drive motor 14 for driving the stirring rod 13 to rotate is connected to the top of the mixing tank 1. Multiple stirring blades 15 are connected to the stirring rod 13.

[0023] In practice, the stirring rod 13 and stirring blade 15 inside the mixing tank 1 rotate under the drive of the drive motor 14 to fully mix the falling raw materials. Different raw materials enter the mixing tank 1 according to the adjusted ratio. The stirring blade 15 rotates at high speed under the drive of the stirring rod 13 to evenly mix the raw materials and ensure that the components of the coating agent are fully mixed.

[0024] See Figure 1-5 Multiple stirring blades 15 are arranged in a linear array with equal spacing along the axial direction of the stirring rod 13.

[0025] In practice, multiple stirring blades 15 arranged in a linear array with equal spacing along the axis of the stirring rod 13 can increase the contact area with the raw materials and enhance the stirring effect. During operation, the staggered blades generate multi-directional shearing and stirring forces on the raw materials during rotation, avoiding mixing dead zones and making the mixing of different raw materials more uniform.

[0026] See Figure 1-5 A first sealing sleeve is fitted onto the adjusting plate 9, and a second sealing sleeve is fitted onto the side of the partition plate 5 opposite to the adjusting plate 9.

[0027] In practice, the first sealing sleeve on the adjusting plate 9 and the second sealing sleeve on the opposite side of the partition plate 5 and the adjusting plate 9 can prevent raw materials from leaking in the storage space. During operation, the first sealing sleeve ensures that the adjusting plate 9 is tightly fitted to the inner wall of the conveying cylinder 3 when it slides, and the second sealing sleeve ensures the sealing between the partition plate 5 and the adjusting plate 9, preventing raw materials from leaking out of the gaps and affecting the actual feed rate.

[0028] Working principle: Under the action of gravity, the raw materials in the raw material storage box 2 slide down the inclined surface of the two symmetrical triangular guide seats 12, avoiding accumulation and residue in the storage box and ensuring that the raw materials can smoothly enter the conveying cylinder 3. When it is necessary to adjust the raw material feeding amount according to the formula, rotate the bidirectional screw 6 in the mounting sleeve 4. Under the limiting action of the guide rod 11, when the two transmission nuts 7 move relative to or towards each other, the transmission plate 8 pushes the adjusting plate 9 to slide away from or towards the center of the mounting sleeve 4. Since the adjusting plate 9 is located between the two partition plates 5, the size of the storage space formed by the two will change accordingly, thereby achieving precise adjustment of the single feeding amount. At the same time, the first sealing sleeve on the adjusting plate 9 and the second sealing sleeve on the opposite side of the partition plate 5 and the adjusting plate 9 can prevent the raw materials from leaking from the gaps, ensuring that the actual feeding amount is consistent with the adjusted value. The servo motor 10 drives the mounting sleeve 4 to rotate. When the adjusted storage space rotates with the mounting sleeve 4 to the feeding port of the conveying cylinder 3, the raw materials in the storage space will fall into the mixing tank 1. The drive motor 14 at the top of the mixing tank 1 drives the stirring rod 13 to rotate. Multiple stirring blades 15, which are linearly arrayed and equally spaced along the axis of the stirring rod 13, rotate accordingly. The staggered stirring blades 15 can increase the contact area with the raw materials and form multi-directional shearing and stirring forces on the falling raw materials, thus avoiding the formation of mixing dead zones.

Claims

1. A mixing apparatus for preparing a seed coating agent, comprising a mixing tank (1), characterized in that, The mixing tank (1) is provided with multiple raw material storage boxes (2) on its top. The multiple raw material storage boxes (2) are arranged in a circular array with equal spacing around the center of the mixing tank (1). The bottom of the raw material storage boxes (2) is connected to a conveying cylinder (3). An installation sleeve (4) is rotatably connected inside the conveying cylinder (3). Multiple partition plates (5) are connected to the installation sleeve (4). The multiple partition plates (5) are evenly distributed along the circumference of the installation sleeve (4). A bidirectional lead screw (6) is rotatably connected inside the installation sleeve (4). Two mutually symmetrical transmission nuts (7) are threaded onto the bidirectional lead screw (6). Multiple transmission plates (8) are rotatably connected to each of the transmission nuts (7). An adjusting plate (9) is rotatably connected to the other end of the transmission plate (8) rotatably connected to each pair of transmission nuts (7). Each adjusting plate (9) is located between two partition plates (5) to form a storage space. Rotating the bidirectional lead screw (6) can drive the adjusting plate (9) to slide away from the center of the mounting sleeve (4) to adjust the size of the storage space; A servo motor (10) for driving the mounting sleeve (4) to rotate is connected to one side of the conveying cylinder (3).

2. The mixing apparatus for preparing a seed coating agent as described in claim 1, characterized in that: The mounting sleeve (4) is connected to a guide rod (11), and the transmission nut (7) is slidably connected to the guide rod (11). The transmission nut (7) has a sliding opening that matches the guide rod (11).

3. The mixing apparatus for preparing a seed coating agent as described in claim 2, characterized in that: The raw material storage box (2) is connected to two mutually symmetrical flow guide seats (12), which are arranged in a triangular shape.

4. The mixing apparatus for preparing a seed coating agent as described in claim 3, characterized in that: A stirring rod (13) is rotatably connected inside the mixing tank (1). A drive motor (14) for driving the stirring rod (13) to rotate is connected to the top of the mixing tank (1). Multiple stirring blades (15) are connected to the stirring rod (13).

5. The mixing apparatus for preparing a seed coating agent as described in claim 4, characterized in that: The multiple stirring blades (15) are arranged in a linear array with equal spacing along the axial direction of the stirring rod (13).

6. The mixing apparatus for preparing a seed coating agent as described in claim 5, characterized in that: A first sealing sleeve is fitted onto the adjusting plate (9), and a second sealing sleeve is fitted onto the opposite side of the partition plate (5) and the adjusting plate (9).

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