Drying device for preparing traditional Chinese medicine particles

Abstract

The utility model discloses a drying device for traditional Chinese medicine granule preparation and relates to the field of traditional Chinese medicine production devices. A movable groove is formed in the bottom of an inner cavity of the shell, a movable block is slidably mounted in the movable groove, a connecting base is fixedly welded to the upper portion of the movable block, a mounting rod is arranged on the upper portion of the connecting base, two vertically-distributed material bearing discs are mounted outside the mounting rod, and the interiors of the material bearing discs are of net structures. A groove is formed in the movable block, a rack plate is installed on one side of a groove body, a sector gear is installed in the groove body, an outer gear ring of the sector gear is connected with the rack plate in a meshed mode, and reset springs are fixedly installed between the two sides of the bottom of the movable block and the movable groove. And a steam heating cavity is formed in the inner wall of the shell. According to the scheme, the problem that moisture remains after drying due to the fact that traditional Chinese medicine particles are heated unevenly in the drying process is solved.

Description

Technical Field

[0001] This utility model relates to the technical field of traditional Chinese medicine production equipment, specifically a drying device for preparing traditional Chinese medicine granules. Background Technology

[0002] Chinese medicine granules are granular drugs produced by processing Chinese medicinal materials through a series of modern pharmaceutical processes such as extraction, concentration, drying, and granulation. They retain the effective components and efficacy of the Chinese medicinal materials, and have the advantages of accurate dosage, convenient administration, and easy portability and storage. They are an important form of modern Chinese medicine preparations. Drying equipment for the preparation of Chinese medicine granules is specially designed for Chinese medicine granules and is used to quickly and uniformly dry moist Chinese medicine granules to the required moisture content. Common equipment includes dryers for Chinese medicine formula granules, fluidized bed dryers, and spray dryers.

[0003] For example, the Chinese authorized patent CN209672733U, entitled "A Drying Device for Preparing Traditional Chinese Medicine Pieces," includes a drying chamber and a blower. The drying chamber is connected to a door via a hinge. An internal heating chamber is located inside the drying chamber, consisting of a left partition and a right partition. An electric heating wire is installed between the left and right partitions. Multiple heat dissipation holes are symmetrically arranged on the left and right partitions. Multiple support rods are installed between the left and right partitions and the inner wall of the drying chamber. A mesh tray for holding medicinal materials is placed on the support rods. The top of the drying chamber is an air distribution plate with multiple air distribution holes. The top of the air distribution plate is an air heating chamber containing a heating device. The top of the air heating chamber is connected to an air inlet chamber, which contains an air filter. The blower is connected to the air inlet chamber via an air inlet pipe.

[0004] In the process of drying Chinese medicine granules, the accumulated granules are prone to uneven heating, which not only affects the drying efficiency, but also leaves residual moisture in the dried granules. Therefore, it does not meet the current requirements. In response, we propose a drying device for the preparation of Chinese medicine granules. Utility Model Content

[0005] The purpose of this invention is to provide a drying device for preparing traditional Chinese medicine granules, so as to solve the problem mentioned in the background art that the traditional Chinese medicine granules have residual moisture after drying due to uneven heating during the drying process.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a drying device for preparing traditional Chinese medicine granules, comprising a shell; a movable groove is provided at the bottom of the inner cavity of the shell, a movable block is slidably installed inside the movable groove, a connecting seat is welded and fixed above the movable block, an installation rod is provided above the connecting seat, two vertically distributed material receiving trays are installed on the outside of the installation rod, the material receiving trays have a mesh structure inside, and the material receiving trays are fixed to the installation rod, the movable block has a groove inside, a rack plate is installed on one side of the groove, a sector gear is installed inside the groove, and the outer tooth ring of the sector gear meshes with the rack plate, a return spring is fixedly installed between the two sides of the bottom of the movable block and the movable groove, and a steam heating chamber is provided in the inner wall of the shell.

[0007] Preferably, the bottom of the outer shell is provided with a water storage cavity, and the water storage cavity is connected to the steam heating cavity, and an electric heating wire is installed inside the water storage cavity.

[0008] Preferably, an air inlet pipe is installed on the upper part of one side of the outer casing, and an exhaust pipe is installed on the lower part of the other side of the outer casing, with a negative pressure fan installed on the exhaust pipe.

[0009] Preferably, a rotating wheel is installed at the upper end of the mounting rod, and a connecting rod is fixedly provided at the lower end of the rotating wheel. The connecting rod is slidably connected to the mounting rod, and the lower end of the connecting rod is threaded. The threaded end of the connecting rod is threadedly connected to the connecting seat.

[0010] Preferably, the inner wall of the outer shell is provided with annularly distributed limiting grooves, and the outer wall of the material receiving tray is provided with annularly distributed limiting blocks, and the limiting blocks slide and limit the limiting grooves.

[0011] Preferably, the upper end of the outer shell is provided with a top cover, and the top cover is snapped into the outer shell, and handles are fixedly provided on both sides of the top cover.

[0012] Preferably, a pressure relief valve is installed at the upper end of one side of the steam heating chamber.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. This utility model utilizes a vibration-type drying structure. During the drying process, the herbal granules are continuously tossed about, increasing the gaps between the granules and the contact area between the granules and the hot air, thereby improving drying efficiency. Simultaneously, vibration helps the moisture inside the granules diffuse to the surface more quickly, further accelerating the drying process. The vibration also causes the piled-up granules to constantly change position, avoiding the uneven heating problem caused by granule accumulation in traditional drying methods. Each granule has the opportunity to be heated evenly, ensuring consistent moisture content and stable quality after drying. Vibration not only promotes full contact between the granules and the hot air but also helps to more effectively remove moisture from the granules. Under the action of vibration, moisture on the surface of the granules evaporates more easily, reducing residual moisture after drying and improving the drying quality of the herbal granules.

[0015] 2. This invention features a water storage chamber at the bottom of the outer shell. By using an electric heating wire to generate high-temperature steam within this chamber, efficient heating of the internal air is achieved. This not only increases the drying temperature but also promotes rapid moisture extraction from the granules. Simultaneously, a negative pressure fan with an open exhaust duct effectively removes the humid internal air and introduces dry external air for replenishment and reheating, forming a circulating drying system. This significantly improves the drying efficiency and quality of the herbal granules, effectively reduces residual moisture during the drying process, and ensures the stability of the granules' quality. Attached Figure Description

[0016] Figure 1 This is a perspective view of the present utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of the present invention;

[0018] Figure 3 This is a top view of the material receiving tray of this utility model;

[0019] Figure 4 This is a top view of the lower end structure of the outer shell of this utility model.

[0020] In the diagram: 1. Outer shell; 2. Top cover; 3. Handle; 4. Air inlet pipe; 5. Air outlet pipe; 6. Negative pressure fan; 7. Pressure relief valve; 8. Mounting rod; 9. Material receiving tray; 10. Limiting block; 11. Limiting groove; 12. Movable block; 13. Connecting seat; 14. Rotating wheel; 15. Connecting rod; 16. Movable groove; 17. Rack plate; 18. Sector gear; 19. Return spring; 20. Steam heating chamber; 21. Water storage chamber; 22. Heating wire; 23. Motor. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0022] Please see Figure 1-4 This utility model provides an embodiment of a drying device for preparing traditional Chinese medicine granules, comprising an outer shell 1, a top cover 2 at the upper end of the outer shell 1, the top cover 2 being snapped into the outer shell 1, and handles 3 fixedly provided on both sides of the top cover 2; a movable groove 16 is provided at the bottom of the inner cavity of the outer shell 1, a movable block 12 is slidably installed inside the movable groove 16, a connecting seat 13 is welded and fixed above the movable block 12, an installation rod 8 is provided above the connecting seat 13, two vertically distributed material receiving trays 9 are installed on the outside of the installation rod 8, the material receiving trays 9 have a mesh structure inside, and the material receiving trays 9 are fixed to the installation rod 8, the movable block 12 has a groove inside, a rack plate 17 is installed on one side of the groove, a sector gear 18 is installed inside the groove, and the outer tooth ring of the sector gear 18 is meshed with the rack plate 17, a return spring 19 is fixedly installed between the two sides of the bottom of the movable block 12 and the movable groove 16, a steam heating chamber 20 is provided in the inner wall of the outer shell 1, and a pressure relief valve 7 is installed at the upper end of one side of the steam heating chamber 20.

[0023] In use, the herbal granules are pre-placed inside the receiving tray 9 and fixed in the outer shell 1. After the top cover 2 is closed, the internal heating mechanism dries the herbal granules on the receiving tray 9. During the drying process, the motor 23 is turned on, and its output shaft drives the sector gear 18 to rotate. When its outer gear ring meshes with the rack plate 17 inside the movable block 12, it drives the movable block 12 to move upward, thereby moving the receiving tray 9 up a short distance. At the same time, it stretches the return spring 19. After the sector gear 18 and the rack plate 17 lose meshing, the receiving tray 9 quickly moves down to its original position under the action of the return spring 19. This process is repeated to form a high-frequency vibration of the receiving tray 9. During the vibration, the granules above are continuously thrown up, which not only prevents the granules from accumulating but also allows the thrown granules to come into more full contact with the high-temperature air, thereby improving the drying efficiency.

[0024] Please see Figure 2 and Figure 4 The bottom of the outer shell 1 is provided with a water storage cavity 21, which is connected to the steam heating cavity 20. An electric heating wire 22 is installed inside the water storage cavity 21. The water in the water storage cavity is heated by the electric heating wire 22, thereby generating a large amount of high-temperature steam. After the high-temperature steam enters the steam heating cavity 20, it exchanges heat with the inner wall of the outer shell 1, transferring the heat flow to the inside of the outer shell 1 to heat the air inside the outer shell 1.

[0025] Please see Figure 1 and Figure 2An air inlet pipe 4 is installed on the upper side of one side of the outer shell 1, and an exhaust pipe 5 is installed on the lower side of the other side of the outer shell 1. A negative pressure fan 6 is installed on the exhaust pipe 5. During the drying process, due to the precipitation of internal moisture, the internal air humidity is relatively high. By turning on the negative pressure fan 6 outside the exhaust pipe 5, the internal water vapor is discharged. At the same time, external dry air is replenished from the air inlet pipe. After participating in the heat flow inside the outer shell 1, the particles are dried again, thus achieving efficient heating of the air inside the outer shell 1.

[0026] Please see Figure 2 A rotating wheel 14 is installed at the upper end of the mounting rod 8, and a connecting rod 15 is fixedly installed at the lower end of the rotating wheel 14. The connecting rod 15 is slidably connected to the mounting rod 8. The lower end of the connecting rod 15 is threaded, and the threaded end of the connecting rod 15 is threadedly connected to the connecting seat 13. The inner wall of the outer shell 1 is provided with annularly distributed limiting grooves 11, and the outer wall of the material receiving plate 9 is provided with annularly distributed limiting blocks 10. The limiting blocks 10 and the limiting grooves 11 are slidably limited. When installing the material receiving plate 9, its limiting blocks 10 are aligned with the limiting grooves 11 on the outer shell 1, so that the whole plate slides into the interior of the outer shell 1. By rotating the rotating wheel 14, the threaded end at the lower end is rotated, and it is fixed to the connecting seat 13 under the threaded engagement, thereby connecting with the vibration mechanism below.

[0027] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A drying apparatus for preparing traditional Chinese medicine granules, comprising a shell (1); characterized in that: The bottom of the inner cavity of the outer shell (1) is provided with a movable groove (16), and a movable block (12) is slidably installed inside the movable groove (16). A connecting seat (13) is welded and fixed above the movable block (12). An installation rod (8) is provided above the connecting seat (13). Two vertically distributed material receiving plates (9) are installed on the outside of the installation rod (8). The inside of the material receiving plate (9) is a mesh structure, and the material receiving plate (9) is fixed to the installation rod (8). The movable block (12) has a groove inside. A rack plate (17) is installed on one side of the groove. A sector gear (18) is installed inside the groove, and the outer tooth ring of the sector gear (18) meshes with the rack plate (17). A return spring (19) is fixedly installed between the two sides of the bottom of the movable block (12) and the movable groove (16). A steam heating chamber (20) is provided in the inner wall of the outer shell (1).

2. The drying apparatus for preparing traditional Chinese medicine granules according to claim 1, characterized in that: The bottom of the outer shell (1) is provided with a water storage cavity (21), and the water storage cavity (21) is connected to the steam heating cavity (20). An electric heating wire (22) is installed inside the water storage cavity (21).

3. The drying apparatus for preparing traditional Chinese medicine granules according to claim 1, characterized in that: An air inlet pipe (4) is installed on the upper side of one side of the outer casing (1), and an exhaust pipe (5) is installed on the lower side of the other side of the outer casing (1). A negative pressure fan (6) is installed on the exhaust pipe (5).

4. The drying apparatus for preparing traditional Chinese medicine granules according to claim 1, characterized in that: The upper end of the mounting rod (8) is equipped with a rotating wheel (14), and the lower end of the rotating wheel (14) is fixedly provided with a connecting rod (15). The connecting rod (15) is slidably connected to the mounting rod (8). The lower end of the connecting rod (15) is provided with a thread, and the threaded end of the connecting rod (15) is connected to the connecting seat (13) by a thread.

5. The drying apparatus for preparing traditional Chinese medicine granules according to claim 1, characterized in that: The inner wall of the outer shell (1) is provided with a ring-shaped limiting groove (11), and the outer wall of the material receiving tray (9) is provided with a ring-shaped limiting block (10), and the limiting block (10) slides and limits the limiting groove (11).

6. The drying apparatus for preparing traditional Chinese medicine granules according to claim 1, characterized in that: The upper end of the outer shell (1) is provided with a top cover (2), and the top cover (2) is snapped into the outer shell (1). Handles (3) are fixedly provided on both sides of the top cover (2).

7. The drying apparatus for preparing traditional Chinese medicine granules according to claim 1, characterized in that: A pressure relief valve (7) is installed at the upper end of one side of the steam heating chamber (20).

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