Isatis root seed sheller

Abstract

The utility model discloses an isatis root seed huller which comprises a bottom frame, a hulling mechanism is arranged on the bottom frame, the hulling mechanism comprises a shell, a rotating rod, a leak hole cover, a mounting sleeve, a hulling rod, a hulling cover and a transmission mechanism, and a screening mechanism is arranged on the bottom frame. The screening mechanism comprises a supporting rod, a supporting plate, two sets of connecting rods, sliding rods, sliding sleeves, tension springs, a screening plate, a seed leaking hopper and a shell leaking hopper, the supporting rod is installed on the bottom frame, the supporting plate is arranged in the bottom frame, the two sets of connecting rods are rotationally connected with the supporting rod and the supporting plate respectively, and the sliding rods are rotationally installed on the two sides of the supporting rod; the sliding sleeves are rotatably installed on the two sides of the supporting plate, and the two ends of the tension spring are connected with the sliding rod and the sliding sleeves correspondingly, so that the technical problems that in the background technology, efficient separation equipment is lacked, shells of seeds are difficult to thoroughly remove in the machining process, and meanwhile follow-up screening and using links are complicated due to the fact that impurities are mixed with the seeds are solved.

Description

Technical Field

[0001] This utility model relates to the field of processing technology of Isatis indigotica seeds, and more specifically, it relates to a seed shelling device for Isatis indigotica. Background Technology

[0002] Removing the seed coat is a crucial step in the processing of Isatis indigotica seeds. However, existing dehulling technologies often fail to completely remove the seed coat, resulting in seeds mixed with the coat and impurities. This mixing not only increases the complexity of subsequent screening and use but may also lead to a decline in seed quality, affecting the final product's quality. Furthermore, the accumulation of seed coat debris can clog equipment, reduce operating efficiency, and necessitate frequent downtime for maintenance, increasing production costs and time consumption.

[0003] The generation of a large amount of dust during processing is also a problem that urgently needs to be solved. This dust not only pollutes the production environment and affects the health of operators, but may also cause wear and tear on equipment, shorten the service life of equipment. The accumulation of dust can also lead to an increase in the internal temperature of the equipment, increasing the risk of equipment failure and further affecting processing quality and production efficiency. Utility Model Content

[0004] (1) Technical problems solved

[0005] In view of the problems existing in the prior art, this utility model provides a seed dehuller for Isatis indigotica, which solves the technical problems mentioned in the background art, such as the lack of efficient separation equipment, the difficulty in completely removing the seed shell during processing, and the complexity of subsequent screening and use due to impurities mixed with the seeds.

[0006] (2) Technical solution

[0007] To achieve the above objectives, this utility model provides the following technical solution: a seed shelling device for Isatis indigotica, comprising a base frame, on which a shelling mechanism is mounted. The shelling mechanism includes a shell, a rotating rod, a perforated cover, a mounting sleeve, a shelling rod, a shelling cover, and a transmission mechanism. The shell is mounted on the base frame, the rotating rod is rotatably mounted on the shell, the perforated cover is mounted inside the shell, the mounting sleeve is mounted on the rotating rod, multiple sets of shelling rods are mounted on the mounting sleeve, the shelling cover is mounted on the shell, and a screening machine is mounted on the base frame. The screening mechanism includes a support rod, a support plate, a connecting rod, a sliding rod, a sliding sleeve, a tension spring, a sieve plate, a seed hopper, and a shell hopper. The support rod is mounted on a base frame, and the support plate is disposed inside the base frame. The connecting rod has two sets of components that rotatably connect the support rod and the support plate. The sliding rod is rotatably mounted on both sides of the support rod, and the sliding sleeve is rotatably mounted on both sides of the support plate. The tension spring has its two ends connected to the sliding rod and the sliding sleeve, respectively. The sieve plate is mounted on the top of the support plate, the seed hopper is mounted on one end of the support plate, and the shell hopper is mounted on one side of the sieve plate.

[0008] The present invention is further configured such that the transmission mechanism includes a mounting plate, a drive motor, a drive wheel, a driven wheel, and a transmission belt. The mounting plate is mounted on the top surface of the support rod, the drive motor is mounted on the mounting plate, the drive wheel is mounted on the output end of the drive motor, and the driven wheel is mounted on one end of the rotating rod. The transmission sleeve is disposed on the outer wall of the drive wheel and the driven wheel. The design of the transmission mechanism ensures the reliability and service life of the equipment by efficiently transmitting power, ensuring stable operation, and protecting the transmission system, while improving the overall operating efficiency.

[0009] The present invention is further configured such that a dust removal mechanism is provided on the outer shell, the dust removal mechanism including a dust blower, a dust hood and a dust exhaust pipe, the dust blower is installed on one side of the outer shell, the dust hood is installed on the other side of the outer shell, and the dust exhaust pipe is installed at the bottom of the dust hood. The dust removal mechanism can effectively remove dust, keep the working area clean, avoid environmental pollution, and at the same time realize the centralized collection and treatment of dust, which meets environmental protection requirements.

[0010] The present invention is further configured such that a vibration motor is installed on the bottom surface of the support plate, the vibration motor provides uniform and stable vibration force, ensuring good particle separation effect, reducing the impact of equipment operation, and extending the service life of the equipment.

[0011] The present invention is further configured such that two sets of seed funnels are respectively installed on one side of the support plate. The seed funnel configuration improves seed collection efficiency, optimizes the operation process, and facilitates subsequent processing, thereby greatly improving work efficiency and operational convenience.

[0012] The present invention is further configured such that the outlet of the hopper extends to the outside of the support plate, the hopper can quickly collect and discharge broken shells, avoid internal blockage of the equipment, improve smooth operation, simplify cleaning operations, and reduce manual labor.

[0013] The present invention is further configured such that the dust blowing fan is provided in multiple sets and is installed on the outer side respectively. The multiple sets of dust blowing fans improve the dust removal efficiency, have a wide coverage range, eliminate dust accumulation and dead corners, and ensure the long-term cleanliness and stability of the equipment operating environment.

[0014] The present invention is further configured such that a sealing mechanism is provided on the shelling cover. The sealing mechanism includes a feeding hopper, a baffle, a pusher plate, and a cylinder. The feeding hopper is installed on the shelling cover, the baffle is slidably installed on the feeding hopper, the pusher plate is installed at one end of the baffle, and the cylinder is installed on both sides of the feeding hopper with its output end connected to the pusher plate respectively. The sealing mechanism, by precisely controlling the feeding amount, avoids clogging and realizes automated operation, improving the working efficiency and adaptability of the equipment and meeting the needs of continuous operation.

[0015] (3) Beneficial effects

[0016] Compared with the prior art, this utility model provides a seed dehulling device for Isatis indigotica, which has the following features:

[0017] Beneficial effects:

[0018] 1. The dehulling mechanism utilizes the coordinated action of the outer shell, rotating rod, perforated cover, mounting sleeve, and multiple sets of dehulling rods. The rotating rod drives the dehulling rods to rotate at high speed, creating relative motion between the dehulling rods and the surface of the perforated cover. This causes appropriate friction and impact on the seed surface, thus achieving the dehulling operation. The porous structure on the surface of the perforated cover further aids in particle separation, gradually screening the dehulled particles to the lower layer. Simultaneously, the dehulling cover covers the entire mechanism, acting as a seal to prevent particle spillage and improve dehulling efficiency. The overall structural design is reasonable, providing efficient and stable dehulling functions for seeds of different sizes, thereby ensuring dehulling accuracy and processing quality.

[0019] 2. The screening mechanism utilizes components such as a support plate, a screen plate, and a vibrating motor working together. The vibrating motor drives the support plate to vibrate uniformly. Through the sliding cooperation of the connecting rod and the slide bar, as well as the elasticity provided by the tension spring, the screen plate tilts during vibration, enhancing screening efficiency. The screen plate surface is designed with appropriately sized openings, which can accurately screen out smaller seed particles, allowing them to enter the seed hopper through the screen plate holes. Larger broken shells are retained and guided to the shell hopper, achieving efficient separation. In addition, the elastic connection design at one end of the support plate not only keeps the screen plate stable but also allows for adaptive adjustment during vibration, improving the screening effect and ensuring complete separation of seeds and broken shells, further enhancing screening accuracy and speed.

[0020] 3. The dust removal mechanism, through the combined action of dust blowers, dust hoods, and dust exhaust pipes, effectively cleans suspended dust and debris during dehulling and screening. The directional airflow generated by the dust blowers blows suspended particulate dust into the dust hood, and then guides the dust and debris into an external collection system through the dust exhaust pipe, preventing dust accumulation and diffusion inside the equipment and in the operating environment. Multiple sets of dust blowers distributed around the outer casing can achieve uniform dust removal, further improving the cleanliness of the dehulling and screening environment. Ultimately, through this closed-loop dust removal design, the risk of dust pollution to the surrounding environment during equipment operation is greatly reduced, while also improving the operating efficiency and service life of the equipment.

[0021] 4. The sealing mechanism consists of a feeding hopper, a baffle, a pusher plate, and a cylinder. The cylinder drives the baffle to slide, achieving precise opening and closing of the feeding hopper opening. This ensures the uniformity and consistency of material supply during the shelling process. Before the seeds enter the shelling hood, the baffle can close the feeding hopper, effectively preventing excess impurities from entering the shelling area, thus ensuring the purity of the shelling. The cylinder drives the pusher plate to adjust the position of the baffle, which can precisely control the amount of particles fed, meeting the processing requirements of different seed specifications and providing a stable and accurate material supply for subsequent shelling operations. This design improves the operability and feeding control accuracy of the equipment, thereby achieving the stability and efficiency of the shelling process. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the overall structure of a seed dehulling device for Isatis indigotica in this utility model;

[0023] Figure 2 This is a cross-sectional view of the shell-removing mechanism in this utility model.

[0024] Figure 3 This is a schematic diagram of the screening mechanism in this utility model;

[0025] Figure 4 This is a schematic diagram of the installation structure of the vibration motor in this utility model;

[0026] Figure 5 This is a cross-sectional view of the sliding sleeve and sliding rod in this utility model;

[0027] Figure 6 This is a cross-sectional view of the sealing mechanism in this utility model;

[0028] Figure 7 This is a schematic diagram of the installation structure of the shell-removing rod in this utility model;

[0029] In the diagram: 1. Base frame; 2. Outer shell; 3. Rotating rod; 4. Hole cover; 5. Mounting sleeve; 6. Shelling rod; 7. Shelling cover; 8. Support rod; 9. Support plate; 10. Connecting rod; 11. Sliding rod; 12. Sliding sleeve; 13. Tension spring; 14. Sieve plate; 15. Seed hopper; 16. Shell hopper; 17. Mounting plate; 18. Drive motor; 19. Drive wheel; 20. Driven wheel; 21. Transmission belt; 22. Dust blower; 23. Dust hood; 24. Dust discharge pipe; 25. Vibrating motor; 26. Feed hopper; 27. Baffle; 28. Push plate; 29. ​​Cylinder. Detailed Implementation

[0030] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0031] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0032] In this utility model, unless otherwise stated, the orientations used, such as "up" and "down", usually refer to the direction shown in the accompanying drawings, or to the vertical, perpendicular, or gravitational direction; similarly, for ease of understanding and description, "left" and "right" usually refer to the left and right shown in the accompanying drawings; "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not used to limit this utility model.

[0033] Please see Figures 1-7 A seed shelling device for Isatis indigotica includes a base frame 1, on which a shelling mechanism is mounted. The shelling mechanism includes a shell 2, a rotating rod 3, a perforated cover 4, a mounting sleeve 5, a shelling rod 6, a shelling cover 7, and a transmission mechanism. The shell 2 is mounted on the base frame 1, the rotating rod 3 is rotatably mounted on the shell 2, the perforated cover 4 is mounted inside the shell 2, the mounting sleeve 5 is mounted on the rotating rod 3, multiple sets of shelling rods 6 are mounted on the mounting sleeve 5, and the shelling cover 7 is mounted on the shell 2. A screening mechanism is mounted on the base frame 1, which includes a support rod 8, a support plate 9, and a connecting rod 1. 0. Slide rod 11, slide sleeve 12, tension spring 13, sieve plate 14, seed hopper 15, and shell hopper 16. Support rod 8 is installed on base frame 1. Support plate 9 is set inside base frame 1. Connecting rod 10 is provided with two sets that rotatably connect support rod 8 and support plate 9 respectively. Slide rod 11 is rotatably installed on both sides of support rod 8. Slide sleeve 12 is rotatably installed on both sides of support plate 9. Tension spring 13 is connected to slide rod 11 and slide sleeve 12 at both ends respectively. Sieve plate 14 is installed on top of support plate 9. Seed hopper 15 is installed on one end of support plate 9. Shell hopper 16 is installed on one side of sieve plate 14.

[0034] The transmission mechanism includes a mounting plate 17, a drive motor 18, a drive wheel 19, a driven wheel 20, and a transmission belt 21. The mounting plate 17 is mounted on the top surface of the support rod 8, the drive motor 18 is mounted on the mounting plate 17, the drive wheel 19 is mounted on the output end of the drive motor 18, and the driven wheel 20 is mounted on one end of the rotating rod 3. The transmission sleeve is set on the outer wall of the drive wheel 19 and the driven wheel 20. The drive motor 18 drives the drive wheel 19 to rotate, and the drive wheel 19 transmits kinetic energy through the transmission belt 21 to drive the driven wheel 20 to rotate. The driven wheel 20 drives the rotating rod 3 to rotate, and the rotating rod 3 drives multiple sets of shell-removing rods 6 to rotate.

[0035] The outer casing 2 is equipped with a dust removal mechanism, which includes a dust blower 22, a dust hood 23, and a dust discharge pipe 24. The dust blower 22 is installed on one side of the outer casing 2, the dust hood 23 is installed on the other side of the outer casing 2, and the dust discharge pipe 24 is installed at the bottom of the dust hood 23. The dust discharge pipe 24 is connected to an external collection system. During the shelling and screening process, the dust blower 55 blows the suspended dust and debris after shelling. The blown dust and debris enter the dust hood 23 and are then introduced into the external collection system through the dust discharge pipe 24.

[0036] A vibration motor 25 is installed on the bottom surface of the support plate 9. When the vibration motor 25 is started, the support plate 9 drives the overall structure to vibrate uniformly through the vibration motor 25.

[0037] The seed hopper 15 is provided with two sets, which are respectively installed on one side of the support plate 9.

[0038] The outlet of the hopper 16 extends to the outside of the support plate 9. Larger broken shells are guided to the hopper 16, while the pure seeds separated by the sieve plate 14 enter the seed hopper 15, achieving precise separation.

[0039] Multiple sets of dust blowers 22 are installed on one side of the outer casing 2. The multiple sets of dust blowers 55 generate directional airflow to blow away the dust and debris suspended after the casing is removed.

[0040] In this embodiment, after the seeds enter the outer shell 2 through the feed, the drive motor 18 drives the drive wheel 19 to rotate. The drive wheel 19 transmits kinetic energy through the transmission belt 21 to drive the driven wheel 20 to rotate. The driven wheel 20 drives the rotating rod 3 to rotate, and the rotating rod 3 drives multiple sets of shelling rods 6 to rotate. The multiple sets of shelling rods 6 form relative motion with the internal perforated cover 4. The seeds fall into the perforated cover 4 through the feed hopper 26. The multiple sets of shelling rods 6 apply appropriate friction and impact to the surface of the seeds under high-speed rotation to achieve the purpose of shelling. Through the perforated structure on the surface of the perforated cover 4, the shelled particles are gradually separated to the lower layer. After shelling is completed, the seeds and shell fragments are dusted by the dust removal mechanism and then enter the subsequent steps. After the mixture of seeds and shell fragments falls onto the sieve plate 14, the vibration motor 25 is started. The support plate 9 is driven by the vibration motor 25 to generate uniform vibration of the entire structure. One end of the support plate 9 is fixedly connected by the connecting rod 10. It slides in the sliding sleeve 12 through the sliding rod 11 and is connected by the tension spring 1. 3. The support plate 9 is connected to the support rod 8 at the other end, forming an elastic connection. During vibration, the support plate 9 tilts due to the elastic connection at one end. The perforated design on the surface of the sieve plate 14 allows smaller seed particles to fall onto the mounting plate 17 through the holes, while larger shell fragments are retained on the sieve plate 14. The seeds and shell fragments are conveyed by the vibration of the vibration motor 25, which causes the support plate 9 to tilt. The larger shell fragments are guided to the shell hopper 16, while the pure seeds separated by the sieve plate 14 enter the seed hopper 15 for precise separation. The dust exhaust pipe 24 is connected to the external collection system. During the shelling and screening process, multiple sets of dust blowers 55 are activated to generate directional airflow, which blows away the suspended dust and debris after shelling. The blown dust and debris enter the dust hood 23 and are then introduced into the external collection system through the dust exhaust pipe 24, avoiding the accumulation and diffusion of particulate dust. The shelling environment is cleaner after directional ventilation, which effectively improves the screening effect and reduces the risk of environmental pollution.

[0041] Please see Figure 6 As one implementation of the sealing mechanism: a sealing mechanism is provided on the shelling cover 7. The sealing mechanism includes a feed hopper 26, a baffle 27, a push plate 28, and a cylinder 29. The feed hopper 26 is installed on the shelling cover 7. The baffle 27 is slidably installed on the feed hopper 26. The push plate 28 is installed at one end of the baffle 27. The cylinder 29 is installed on both sides of the feed hopper 26 and its output end is connected to the push plate 28 respectively. The cylinder 29 drives the telescopic end to extend and push the push plate 28, thereby driving the baffle 27 to slide outward along the feed hopper 26, accurately adjusting the feed amount of the particles, and providing a stable supply for the shelling process.

[0042] More specifically, at the entrance of the shelling hood 7, the opening and closing of the baffle 27 is driven by the cylinder 29 to ensure that the material supply and rhythm are consistent during the shelling operation. Before the seeds enter the shell 2, the baffle 27 slides on the feed hopper 26 and is pulled closed by the cylinder 29 to prevent excess impurities from entering the shell 2. The cylinder 29 drives the extension end to push the push plate 28, thereby driving the baffle 27 to slide outward along the feed hopper 26, accurately adjusting the feed amount of the particles and providing a stable supply for the shelling process.

[0043] In summary, during the use or operation of the overall equipment: after the seeds enter the outer shell 2 through the feed, the drive motor 18 drives the drive wheel 19 to rotate. The drive wheel 19 transmits kinetic energy through the transmission belt 21 to drive the driven wheel 20 to rotate. The driven wheel 20 drives the rotating rod 3 to rotate, and the rotating rod 3 drives multiple sets of shelling rods 6 to rotate. The multiple sets of shelling rods 6 form relative motion with the internal perforated cover 4. The seeds fall into the perforated cover 4 through the feed hopper 26. The multiple sets of shelling rods 6 apply appropriate friction and impact to the surface of the seeds under high-speed rotation to achieve the purpose of shelling. Through the perforated structure on the surface of the perforated cover 4, the shelled particles are gradually separated to the lower layer. After shelling is completed, the seeds and shell fragments are dusted by the dust removal mechanism and then enter the subsequent steps. After the mixture of seeds and shell fragments falls onto the screen plate 14, the vibration motor 25 is started. The support plate 9 is driven by the vibration motor 25 to generate uniform vibration of the entire structure. One end of the support plate 9 is fixedly connected by the connecting rod 10 and slides in the sliding sleeve 12 through the sliding rod 11. The support plate 9 is connected to the support rod 8 via a tension spring 13. During vibration, the support plate 9 tilts due to the elastic connection at one end. The perforated design on the surface of the sieve plate 14 allows smaller seed particles to fall onto the mounting plate 17 through the holes, while retaining larger shell fragments on the sieve plate 14. The seeds and shell fragments are conveyed by the vibration of the vibration motor 25, which tilts the support plate 9. The larger shell fragments are guided to the shell hopper 16, while the pure seeds separated by the sieve plate 14 enter the seed hopper 15 for precise separation. The dust exhaust pipe 24 is connected to an external collection system. During the shelling and sieving process, multiple sets of blowers generate directional airflow to blow away the suspended dust and debris after shelling. The blown dust and debris enter the dust hood 23 and are then introduced into the external collection system through the dust exhaust pipe 24, avoiding the accumulation and diffusion of particulate dust. The shelling environment is cleaner after directional ventilation, effectively improving the sieving effect and reducing the risk of environmental pollution.

[0044] At the entrance of the shelling hood 7, the opening and closing of the baffle 27 is driven by the cylinder 29 to ensure that the material supply and rhythm are consistent during the shelling operation. Before the seeds enter the shell 2, the baffle 27 slides on the feed hopper 26 and is pulled closed by the cylinder 29 to prevent excess impurities from entering the shell 2. The cylinder 29 drives the extension end of the baffle 27 to push the push plate 28, thereby driving the baffle 27 to slide outward along the feed hopper 26, accurately adjusting the feed amount of the particles and providing a stable supply for the shelling process.

[0045] Of all the solutions mentioned above, those involving the connection between two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection, or other known connection methods, which will not be elaborated here. For all the fixed connections mentioned above, welding is preferred. Although embodiments of this utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this utility model. The scope of this utility model is defined by the appended claims and their equivalents.

Claims

1. A seed shelling device for Isatis indigotica, comprising a base frame (1), characterized in that: The base frame (1) is equipped with a shelling mechanism, which includes a shell (2), a rotating rod (3), a perforation cover (4), a mounting sleeve (5), a shelling rod (6), a shelling cover (7), and a transmission mechanism. The shell (2) is mounted on the base frame (1), the rotating rod (3) is rotatably mounted on the shell (2), the perforation cover (4) is mounted inside the shell (2), the mounting sleeve (5) is mounted on the rotating rod (3), the shelling rod (6) is provided with multiple sets mounted on the mounting sleeve (5), and the shelling cover (7) is mounted on the shell (2). The base frame (1) is equipped with a screening mechanism, which includes a support rod (8), a support plate (9), a connecting rod (10), a sliding rod (11), and a sliding sleeve. (12), tension spring (13), sieve plate (14), seed hopper (15) and shell hopper (16), the support rod (8) is installed on the base frame (1), the support plate (9) is set inside the base frame (1), the connecting rod (10) is provided with two sets of rotatably connecting the support rod (8) and the support plate (9), the sliding rod (11) is rotatably installed on both sides of the support rod (8), the sliding sleeve (12) is rotatably installed on both sides of the support plate (9), the tension spring (13) is connected to the sliding rod (11) and the sliding sleeve (12) at both ends, the sieve plate (14) is installed on the top of the support plate (9), the seed hopper (15) is installed on one end of the support plate (9), and the shell hopper (16) is installed on one side of the sieve plate (14).

2. The Isatis indigotica seed dehuller according to claim 1, characterized in that: The transmission mechanism includes a mounting plate (17), a drive motor (18), a drive wheel (19), a driven wheel (20), and a transmission belt (21). The mounting plate (17) is mounted on the top surface of the support rod (8). The drive motor (18) is mounted on the mounting plate (17). The drive wheel (19) is mounted on the output end of the drive motor (18). The driven wheel (20) is mounted on one end of the rotating rod (3). The transmission sleeve is disposed on the outer wall of the drive wheel (19) and the driven wheel (20).

3. The Isatis indigotica seed dehuller according to claim 2, characterized in that: The outer casing (2) is provided with a dust removal mechanism, which includes a dust blower (22), a dust hood (23) and a dust exhaust pipe (24). The dust blower (22) is installed on one side of the outer casing (2), the dust hood (23) is installed on the other side of the outer casing (2), and the dust exhaust pipe (24) is installed at the bottom of the dust hood (23).

4. The Isatis indigotica seed dehuller according to claim 3, characterized in that: A vibration motor (25) is installed on the bottom surface of the support plate (9).

5. The Isatis indigotica seed dehuller according to claim 4, characterized in that: The seed hopper (15) is provided with two sets, which are respectively installed on one side of the support plate (9).

6. The Isatis indigotica seed dehuller according to claim 5, characterized in that: The outlet of the hopper (16) extends to the outside of the support plate (9).

7. A seed dehulling device for Isatis indigotica according to claim 6, characterized in that: The dust blower (22) is provided in multiple sets and is installed on the outer side respectively.

8. A seed dehulling device for Isatis indigotica according to claim 7, characterized in that: The shelling cover (7) is provided with a sealing mechanism, which includes a feeding hopper (26), a baffle (27), a push plate (28) and a cylinder (29). The feeding hopper (26) is installed on the shelling cover (7), the baffle (27) is slidably installed on the feeding hopper (26), the push plate (28) is installed at one end of the baffle (27), and the cylinder (29) is installed on both sides of the feeding hopper (26) and its output end is connected to the push plate (28) respectively.

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