A drying and airing device for Chinese herbal medicine

By using a bidirectional threaded rod driven by a drive motor and an angle adjustment mechanism, the problems of low efficiency, high labor intensity, and low sunlight utilization in traditional Chinese herbal medicine drying have been solved. This has enabled the automated and uniform spreading and efficient drying of Chinese herbal medicine, improving the stability and drying efficiency of the drying device.

CN122107739APending Publication Date: 2026-05-29安徽省宿州市立医院 +1

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
安徽省宿州市立医院
Filing Date
2026-03-25
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

Traditional methods of drying Chinese herbs are inefficient, labor-intensive, have low sunlight utilization, are easily affected by weather, and cause pollution. Existing equipment has low automation, inconvenient angle adjustment, and poor stability.

Method used

The system employs a bidirectional threaded rod driven by a drive motor and an angle adjustment mechanism to achieve automatic spreading of Chinese herbal medicines and precise adjustment of the drying rack angle. Combined with a guide and limit structure, it ensures transmission stability.

Benefits of technology

It achieves uniform spreading and efficient drying of Chinese herbal medicines, improves sunlight utilization, reduces labor intensity, enhances drying efficiency and stability, and avoids pollution.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a drying and airing device for Chinese herbal medicines and belongs to the technical field of Chinese herbal medicine processing. The device comprises a supporting base, a fixing support arranged on the upper surface of the supporting base, an airing rack arranged at the top of the fixing support, a connecting shaft arranged between the fixing support and the airing rack, a supporting plate arranged on the upper surface of the airing rack, a first driving motor arranged on one side of the airing rack, a bidirectional screw rod arranged on the output end of the first driving motor, and a paving plate arranged on the bidirectional screw rod. The device is driven by the first driving motor to rotate the bidirectional screw rod, and the paving plate is driven to make linear reciprocating motion by the reverse thread structure of the bidirectional screw rod, so that the Chinese herbal medicines can be automatically and evenly paved on the airing rack, and the traditional manual paving mode is replaced. The device not only greatly reduces the labor intensity of the operators, but also avoids the problem of uneven thickness of the manually paved Chinese herbal medicines, makes the Chinese herbal medicines more evenly exposed to light and ventilated, improves the drying consistency, improves the paving efficiency, and meets the airing demands of the large-scale Chinese herbal medicines.
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Description

Technical Field

[0001] This invention belongs to the field of traditional Chinese medicine processing technology, specifically referring to a drying and sun-drying device for traditional Chinese medicine. Background Technology

[0002] Drying and sun-drying Chinese herbal medicines is a key process to ensure their efficacy and extend their shelf life. The quality of drying directly affects the subsequent processing and medicinal value of Chinese herbal medicines.

[0003] Traditional Chinese medicine drying relies heavily on natural air drying, where herbs are laid flat on drying grounds or simple drying racks, relying on sunlight and natural ventilation to dry. However, this traditional method has many drawbacks: First, it is inefficient, highly susceptible to weather conditions such as sunlight and wind, and prone to mold and spoilage during rainy weather, resulting in economic losses. Second, manually spreading and turning the herbs is labor-intensive, and uneven spreading can lead to incomplete drying in some areas and over-drying in others, resulting in loss of medicinal efficacy. Third, traditional drying racks are mostly fixed structures, making it impossible to adjust the drying angle according to the sunlight, resulting in low sunlight utilization and further reducing drying efficiency. In addition, during natural air drying, herbs are easily contaminated by dust, insects, birds, etc., affecting the purity of the product.

[0004] To address the shortcomings of traditional sun-drying methods, some simple herbal medicine drying devices have emerged on the market, but significant technical bottlenecks remain: some devices lack automated spreading mechanisms, still requiring manual assistance in spreading the materials, resulting in low efficiency; some adjustable-angle drying devices mostly use manual adjustment methods, which are cumbersome to operate and cannot achieve continuous and stable angle adjustments, making it difficult to fully utilize sunlight; at the same time, the transmission structure design of existing devices is unreasonable, and jamming and shaking are prone to occur during angle adjustment, affecting the stability of the drying rack, which in turn causes the herbs to fall or pile up, affecting the drying effect.

[0005] Therefore, there is an urgent need to develop a drying device for Chinese herbal medicines that features automated spreading, automatic adjustment of drying angle, and high stability, in order to improve drying efficiency and quality, reduce labor costs, and ensure the efficacy of Chinese herbal medicines. Summary of the Invention

[0006] In view of the above situation and to overcome the shortcomings of the prior art, the present invention provides a drying and sun-drying device for traditional Chinese medicine, which effectively solves the problems currently on the market.

[0007] The technical solution adopted by the present invention is as follows: The present invention proposes a drying and sun-drying device for traditional Chinese medicine, including a support base, a fixed bracket provided on the upper surface of the support base, a drying rack provided at the top of the fixed bracket, a connecting shaft connecting the fixed bracket and the drying rack, a support plate installed on the upper surface of the drying rack, a first drive motor provided on one side of the drying rack, a bidirectional threaded rod installed at the output end of the first drive motor, and a spreading plate installed on the bidirectional threaded rod.

[0008] Furthermore, a second drive motor is provided on the upper surface of the support base, and a rotating shaft is connected to the output end of the second drive motor. A rotating disk is installed at the end of the rotating shaft away from the second drive motor. A first transmission rod is provided on the rotating disk, and a second transmission rod is connected to the end of the first transmission rod away from the rotating disk. A hinge shaft is provided at the connection between the first transmission rod and the second transmission rod. A guide plate is provided on the outer surface of the second transmission rod. A vertical plate is provided on the upper surface of the support base, and a limit groove is provided on the vertical plate.

[0009] Furthermore, the fixed brackets are symmetrically arranged on the upper surface of the support base, and the fixed brackets are fixedly connected to the support base. The drying rack is located at the end of the fixed brackets away from the support base.

[0010] Furthermore, the connecting shaft passes through and rotatably connects to the fixed bracket, the connecting shaft is symmetrically arranged on the drying rack, and the connecting shaft is fixedly connected to the drying rack.

[0011] Furthermore, the support plates are symmetrically arranged on the upper surface of the drying rack, and the support plates are fixedly connected to the drying rack, while the first drive motor is fixedly connected to one side of the drying rack.

[0012] Furthermore, the bidirectional threaded rod is fixedly connected to the output end of the first drive motor, and two opposite threaded grooves are opened on the outer surface of the bidirectional threaded rod. The paving plate is slidably connected to the inside of the drying rack, and the paving plate is threadedly connected to the bidirectional threaded rod.

[0013] Furthermore, the second drive motor is fixed to the upper surface of the support base. The second drive motor is a dual-output motor. The rotating shaft is fixedly connected to the output end of the second drive motor, and the rotating disk is fixedly connected to the rotating shaft.

[0014] Furthermore, one end of the first transmission rod is hinged to the outer surface of the rotating disk, and one end of the second transmission rod is connected to the end of the first transmission rod away from the rotating disk.

[0015] Furthermore, the hinge shaft passes through and rotatably connects to the first transmission rod, and the hinge shaft passes through and rotatably connects to the second transmission rod.

[0016] Furthermore, the guide plate is fixedly connected to the outer surface of the second transmission rod, the upright plate is symmetrically arranged on the support base and fixedly connected to the support base, and the guide plate is slidably connected in the limiting groove.

[0017] The beneficial effects achieved by the present invention using the above structure are as follows:

[0018] (1) The device drives the bidirectional threaded rod to rotate through the first drive motor. The reverse thread structure of the bidirectional threaded rod drives the paving plate to make linear reciprocating motion, which can automatically spread the Chinese herbal medicines evenly on the drying rack, replacing the traditional manual paving method. This not only greatly reduces the labor intensity of the operators, but also avoids the problem of uneven thickness in manual paving, making the Chinese herbal medicines more evenly exposed to light and ventilation, improving the consistency of drying, and improving the paving efficiency, which is suitable for the needs of large-scale Chinese herbal medicine drying.

[0019] (2) The angle adjustment mechanism, consisting of a second drive motor, a rotating shaft, a rotating disk, a transmission rod assembly, and a guide limit structure, enables automatic and precise adjustment of the tilt angle of the drying rack. By adjusting the angle of the drying rack, the Chinese herbal medicines can always receive sunlight vertically or at a large angle, significantly improving the utilization rate of sunlight. Compared with a fixed-angle drying rack, the drying speed is faster. At the same time, the drying angle can be adjusted in real time according to the change of the angle of sunlight, ensuring efficient use of solar energy throughout the day and further improving the drying efficiency.

[0020] (3) The drying rack is rotatably connected to the fixed bracket via a connecting shaft, ensuring a stable connection and preventing wobbling during rotation. In the angle adjustment mechanism, the sliding cooperation between the guide plate and the limiting groove provides precise guidance for the second transmission rod, preventing jamming or offset during transmission. All transmission components are hinged, reducing transmission resistance and improving power transmission efficiency. The overall transmission structure is reasonably designed, operates smoothly and reliably, and can work stably for extended periods, reducing equipment failure rates. Attached Figure Description

[0021] Figure 1 This invention provides a three-dimensional drying and sun-drying device for traditional Chinese medicine. Figure 1 ;

[0022] Figure 2 This invention provides a three-dimensional drying and sun-drying device for traditional Chinese medicine. Figure 2 ;

[0023] Figure 3 This invention provides a three-dimensional drying and sun-drying device for traditional Chinese medicine. Figure 3 ;

[0024] Figure 4 This invention provides a three-dimensional drying and sun-drying device for traditional Chinese medicine. Figure 4 ;

[0025] Figure 5 This invention provides a three-dimensional drying and sun-drying device for traditional Chinese medicine. Figure 5 .

[0026] The components include: 1. Support base; 2. Fixed bracket; 3. Drying rack; 4. Connecting shaft; 5. Support plate; 6. First drive motor; 7. Bidirectional threaded rod; 8. Paving plate; 9. Second drive motor; 10. Rotating shaft; 11. Rotating disk; 12. First transmission rod; 13. Second transmission rod; 14. Hinge shaft; 15. Guide plate; 16. Vertical plate; and 17. Limiting groove.

[0027] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used together with the embodiments of the invention to explain the invention and do not constitute a limitation thereof. Detailed Implementation

[0028] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0029] In the description of this invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0030] like Figures 1-5 As shown, the present invention proposes a drying and sun-drying device for traditional Chinese medicine, including a support base 1, a fixed bracket 2 provided on the upper surface of the support base 1, a drying rack 3 provided at the top of the fixed bracket 2, a connecting shaft 4 connecting the fixed bracket 2 and the drying rack 3, a support plate 5 installed on the upper surface of the drying rack 3, a first drive motor 6 provided on one side of the drying rack 3, a bidirectional threaded rod 7 installed at the output end of the first drive motor 6, and a spreading plate 8 installed on the bidirectional threaded rod 7.

[0031] A second drive motor 9 is provided on the upper surface of the support base 1. The output end of the second drive motor 9 is connected to a rotating shaft 10. A rotating disk 11 is installed on the end of the rotating shaft 10 away from the second drive motor 9. A first transmission rod 12 is provided on the rotating disk 11. A second transmission rod 13 is connected to the end of the first transmission rod 12 away from the rotating disk 11. A hinge shaft 14 is provided at the connection between the first transmission rod 12 and the second transmission rod 13. A guide plate 15 is provided on the outer surface of the second transmission rod 13. A vertical plate 16 is provided on the upper surface of the support base 1. A limit groove 17 is provided on the vertical plate 16.

[0032] The fixed bracket 2 is symmetrically arranged on the upper surface of the support base 1, and the fixed bracket 2 is fixedly connected to the support base 1. The drying rack 3 is located at the end of the fixed bracket 2 away from the support base 1.

[0033] The connecting shaft 4 passes through and rotatably connects to the fixed bracket 2. The connecting shaft 4 is symmetrically arranged on the drying rack 3 and is fixedly connected to the drying rack 3.

[0034] Support plates 5 are symmetrically arranged on the upper surface of the drying rack 3, and the support plates 5 are fixedly connected to the drying rack 3. The first drive motor 6 is fixedly connected to one side of the drying rack 3.

[0035] The bidirectional threaded rod 7 is fixedly connected to the output end of the first drive motor 6. The outer surface of the bidirectional threaded rod 7 has two opposite threaded grooves. The spreading plate 8 is slidably connected to the inside of the drying rack 3, and the spreading plate 8 is threadedly connected to the bidirectional threaded rod 7.

[0036] The second drive motor 9 is fixed to the upper surface of the support base 1. The second drive motor 9 is a dual-output motor. The rotating shaft 10 is fixedly connected to the output end of the second drive motor 9, and the rotating disk 11 is fixedly connected to the rotating shaft 10.

[0037] One end of the first transmission rod 12 is hinged to the outer surface of the rotating disk 11, and one end of the second transmission rod 13 is connected to the end of the first transmission rod 12 away from the rotating disk 11.

[0038] The hinge shaft 14 passes through and rotatably connects to the first transmission rod 12, and the hinge shaft 14 passes through and rotatably connects to the second transmission rod 13.

[0039] The guide plate 15 is fixedly connected to the outer surface of the second transmission rod 13, the upright plate 16 is symmetrically arranged on the support base 1, and the upright plate 16 is fixedly connected to the support base 1. The guide plate 15 is slidably connected in the limiting groove 17.

[0040] In actual use, in the initial state of the device, the drying rack 3 is rotatably connected to the fixed bracket 2 through the connecting shaft 4, maintaining a horizontal position or initial drying angle; the spreading plate 8 is at the extreme position of one end of the drying rack 3 under the action of the bidirectional threaded rod 7; the second drive motor 9 is in standby state, the rotating disk 11, the first transmission rod 12, and the second transmission rod 13 are all in the initial stationary position, the guide plate 15 is in the initial position in the limiting slide groove 17 of the upright plate 16, and the operator places the Chinese herbal medicines to be dried in the area between the support plates 5 of the drying rack 3 to complete the material preparation.

[0041] The first drive motor 6 is started, and the output end of the first drive motor 6 drives the bidirectional threaded rod 7 to rotate. Since the outer surface of the bidirectional threaded rod 7 has two opposite threaded grooves, and the spreading plate 8 is threadedly connected to the bidirectional threaded rod 7 and slidably connected to the inside of the drying rack 3, under the action of the threaded transmission, the spreading plate 8 will make a linear reciprocating motion along the length of the drying rack 3 (the specific direction of motion is determined by the rotation direction of the bidirectional threaded rod 7). During the movement, the spreading plate 8 pushes the Chinese herbal medicines placed on the drying rack 3 to the sides or the middle, so that the Chinese herbal medicines are evenly spread on the drying rack 3, avoiding accumulation and uneven thickness, laying the foundation for uniform drying in the future.

[0042] The second drive motor 9 (selected as a dual-output motor) is intermittently started. The output end of the second drive motor 9 drives the rotating shaft 10 to rotate. The rotating shaft 10 drives the fixedly connected rotating disk 11 to rotate synchronously. During the rotation of the rotating disk 11, the first transmission rod 12, which is hinged to its outer surface, moves in a circular motion with the rotating disk 11. The second transmission rod 13, which is connected to the first transmission rod 12 through the hinge shaft 14, moves under the traction of the first transmission rod 12. Since the guide plate 15 fixed to the outer surface of the second transmission rod 13 is slidably connected to the limiting groove 17 of the vertical plate 16, the limiting groove 17 guides and limits the guide plate 15, so that the second transmission rod 13 can only move in a straight reciprocating motion along the length direction of the limiting groove 17.

[0043] The linear reciprocating motion of the second transmission rod 13 will drive the drying rack 3 to rotate around the connecting shaft 4: when the second transmission rod 13 moves upward, it pushes one end of the drying rack 3 to lift upward, so that the drying rack 3 forms an inclined angle; when the second transmission rod 13 moves downward, the drying rack 3 rotates in the opposite direction under its own gravity and transmission action, adjusting the inclined angle. By controlling the speed and rotation direction of the second drive motor 9, the inclined angle and adjustment frequency of the drying rack 3 can be precisely adjusted, so that the Chinese herbal medicines on the drying rack 3 can always receive full sunlight, improve the sunlight utilization rate, and accelerate the drying speed.

[0044] After the Chinese herbal medicines have finished drying, the first drive motor 6 and the second drive motor 9 are turned off. The second drive motor 9 drives in reverse, causing the rotating disk 11, the first transmission rod 12, and the second transmission rod 13 to return to their initial positions. The drying rack 3 returns to a horizontal state under the transmission action. At the same time, the first drive motor 6 drives the bidirectional threaded rod 7 to rotate in reverse, causing the spreading plate 8 to return to its initial position, making it easier for operators to collect the dried Chinese herbal medicines. The above is the overall workflow of this invention. This step can be repeated for the next use. The actual operation process is very simple and easy to implement.

[0045] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0046] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

[0047] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the spirit of the invention, such designs should fall within the protection scope of the present invention.

Claims

1. A drying and sun-drying device for traditional Chinese medicine, characterized in that: The device includes a support base (1), a fixed bracket (2) is provided on the upper surface of the support base (1), a drying rack (3) is provided at the top of the fixed bracket (2), a connecting shaft (4) is connected between the fixed bracket (2) and the drying rack (3), a support plate (5) is installed on the upper surface of the drying rack (3), a first drive motor (6) is provided on one side of the drying rack (3), a bidirectional threaded rod (7) is installed at the output end of the first drive motor (6), and a paving plate (8) is installed on the bidirectional threaded rod (7).

2. The drying and sun-drying device for traditional Chinese medicine according to claim 1, characterized in that: The upper surface of the support base (1) is provided with a second drive motor (9), the output end of the second drive motor (9) is connected to a rotating shaft (10), a rotating disk (11) is installed at the end of the rotating shaft (10) away from the second drive motor (9), a first transmission rod (12) is provided on the rotating disk (11), a second transmission rod (13) is connected at the end of the first transmission rod (12) away from the rotating disk (11), a hinge shaft (14) is provided at the connection between the first transmission rod (12) and the second transmission rod (13), a guide plate (15) is provided on the outer surface of the second transmission rod (13), and a vertical plate (16) is provided on the upper surface of the support base (1), a limit groove (17) is provided on the vertical plate (16).

3. A drying and sun-drying device for traditional Chinese medicine according to claim 2, characterized in that: The fixed bracket (2) is symmetrically arranged on the upper surface of the support base (1), and the fixed bracket (2) is fixedly connected to the support base (1). The drying rack (3) is located at the end of the fixed bracket (2) away from the support base (1).

4. A drying and sun-drying device for traditional Chinese medicine according to claim 3, characterized in that: The connecting shaft (4) passes through and rotatably connects to the fixed bracket (2). The connecting shaft (4) is symmetrically arranged on the drying rack (3), and the connecting shaft (4) is fixedly connected to the drying rack (3).

5. A drying and sun-drying device for traditional Chinese medicine according to claim 4, characterized in that: The support plate (5) is symmetrically arranged on the upper surface of the drying rack (3), and the support plate (5) is fixedly connected to the drying rack (3). The first drive motor (6) is fixedly connected to one side of the drying rack (3).

6. A drying and sun-drying apparatus for traditional Chinese medicine according to claim 5, characterized in that: The bidirectional threaded rod (7) is fixedly connected to the output end of the first drive motor (6). The outer surface of the bidirectional threaded rod (7) is provided with two opposite threaded grooves. The paving plate (8) is slidably connected to the inside of the drying rack (3), and the paving plate (8) is threadedly connected to the bidirectional threaded rod (7).

7. A drying and sun-drying apparatus for traditional Chinese medicine according to claim 6, characterized in that: The second drive motor (9) is fixed to the upper surface of the support base (1). The second drive motor (9) is a dual-output motor. The rotating shaft (10) is fixedly connected to the output end of the second drive motor (9). The rotating disk (11) is fixedly connected to the rotating shaft (10).

8. A drying and sun-drying apparatus for traditional Chinese medicine according to claim 7, characterized in that: One end of the first transmission rod (12) is hinged to the outer surface of the rotating disk (11), and one end of the second transmission rod (13) is connected to the end of the first transmission rod (12) away from the rotating disk (11).

9. A drying and sun-drying apparatus for traditional Chinese medicine according to claim 8, characterized in that: The hinge shaft (14) passes through and rotatably connects to the first transmission rod (12), and the hinge shaft (14) passes through and rotatably connects to the second transmission rod (13).

10. A drying and sun-drying apparatus for traditional Chinese medicine according to claim 9, characterized in that: The guide plate (15) is fixedly connected to the outer surface of the second transmission rod (13), the upright plate (16) is symmetrically arranged on the support base (1), and the upright plate (16) is fixedly connected to the support base (1), and the guide plate (15) is slidably connected in the limiting groove (17).