Automatic granulation mechanism for powdery medicine
The automated powdered drug granulation mechanism, utilizing a combination of stirring blades and scrapers, solves the problems of low efficiency and drug waste associated with manual stirring, achieving efficient mixing and cleaning, and improving the quality of drug particles.
Patent Information
- Application Number
- CN202423144328.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-19
- Publication Date
- 2025-11-11
- Estimated Expiration
- 2034-12-19
AI Technical Summary
In the current process of granulating powdered drugs, mixing the powdered drug and binder solution requires manual stirring, which is labor-intensive, inefficient, and the powder tends to stick to the inner wall of the mixing container, resulting in drug waste.
An automatic granulation mechanism for powdered drugs was designed, comprising a buffer cylinder, a stirring mechanism, and a scraper. A servo motor drives a hollow rotating shaft to mix drug powder and binder solution with stirring blades, and an electrically heated scraper cleans up the drug powder adhering to the inner wall.
It achieves automated mixing, improves work efficiency, reduces drug waste, ensures drug particle quality, and effectively cleans adhering substances from the inner wall to prevent drug loss.
Smart Images

Figure CN223530246U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of pharmaceutical manufacturing technology, specifically to an automatic granulation mechanism for powdered drugs. Background Technology
[0002] A powder granulator, also known as a powder granulator, is a device that uses mechanical force to compress powdered drug raw materials into granules. It is widely used in the pharmaceutical, chemical, and food industries, and is especially suitable for laboratories, small health product factories, and occasions requiring small-batch production.
[0003] In the pharmaceutical industry, pharmaceutical powders are granulated into tablets using granulators to facilitate quantitative measurement, dispensing, and management. When using a granulator, the powdered drug raw material and a binder solution are first mixed. Inside the granulator, the raw material is subjected to pressure and shear force, gradually agglomerating into granules. The final granules are discharged from the granulator through the outlet and enter subsequent processing or collection systems. However, the mixing of the powdered drug raw material and binder solution requires manual stirring, which is labor-intensive and inefficient. Furthermore, the binder solution can cause powder to adhere to the inner wall of the mixing container, leading to waste of the powdered drug.
[0004] Therefore, in order to address the above problems, the applicant needs to design an automatic granulation mechanism for powdered drugs. Utility Model Content
[0005] The purpose of this invention is to provide an automatic granulation mechanism for powdered medicines to solve the problems mentioned in the background section.
[0006] To achieve the above objectives, this utility model provides the following technical solution: an automatic granulation mechanism for powdered medicine, comprising a granulator body, wherein a granulation funnel is provided at the output end of the granulator body, and a buffer cylinder is provided at the input end of the granulator body. A feed hole is provided on the bottom surface of the buffer cylinder, and the feed hole is used to introduce the granulated powder into the granulator body.
[0007] It also includes: a stirring mechanism disposed inside the buffer cylinder, the stirring mechanism being used to stir the material inside the buffer cylinder, the stirring mechanism comprising a rotatable hollow rotating shaft, a fixed sleeve being fitted on the outer side of the hollow rotating shaft, and a stirring blade being disposed on the outer side of the fixed sleeve, a connecting sleeve being disposed on the outer side of the hollow rotating shaft, and a connecting rod being disposed on the outer side of the connecting sleeve, a scraper being fixedly disposed at the end of the connecting rod away from the connecting sleeve, and the scraper being slidably connected to the buffer cylinder to remove the adhesive powder on the inner wall of the buffer cylinder.
[0008] Furthermore, a stabilizing seat is rotatably provided at one end of the hollow rotating shaft, and the stabilizing seat is fixedly connected to the inner bottom surface of the buffer cylinder.
[0009] The above structural design utilizes a stable base to easily support the hollow rotating shaft, thereby improving the stability and smoothness of the hollow rotating shaft during rotation.
[0010] Furthermore, a servo motor is provided at the end of the hollow rotating shaft away from the stable base, and a movable cover is provided on the servo motor, which is adapted to the buffer cylinder for opening or closing the buffer cylinder.
[0011] The above structural design allows for easy prevention of debris from entering the buffer cylinder by utilizing the movable cover, which also supports the servo motor and improves the stability of the servo motor during operation.
[0012] Furthermore, a reinforcing frame is provided on the outside of the servo motor, and the reinforcing frame is fixedly connected to the movable cover.
[0013] The above structural design utilizes a reinforcing frame to easily support the servo motor, thereby improving the stability of the servo motor during operation.
[0014] Furthermore, an electric heating element is provided inside the scraper, and the power supply circuit of the electric heating element is electrically connected to the power supply provided inside the hollow rotating shaft.
[0015] Through the above structural design, the electric heating tube can easily heat the scraper. When the high-temperature scraper comes into contact with the mixture adhering to the inner wall of the buffer cylinder, it will easily melt the adhesive, thereby improving the cleaning efficiency and cleaning quality of the mixture adhering to the inner wall of the buffer cylinder.
[0016] Furthermore, the outer surface of the buffer cylinder is fixedly connected to a feed pipe via a flange, and the feed pipe is used to introduce binder solution and powdered drug into the buffer cylinder.
[0017] The above structural design allows for easy feeding of binder solution and powdered drugs into the buffer cylinder via the feed pipe, resulting in high working efficiency.
[0018] Compared with the prior art, the beneficial effects of this utility model are: the automatic granulation mechanism for powdered drugs can mix and stir powdered drugs and binder solutions, with high working efficiency, and can clean the drug powder adhering to the inner wall of the mixture container, preventing drug waste. The specific details are as follows:
[0019] 1. In use, the automatic granulation mechanism for powdered drugs involves placing the drug powder and binder solution into the buffer cylinder and starting the servo motor. The servo motor drives the hollow rotating shaft to rotate, which in turn drives the fixed sleeve to rotate. This rotation of the fixed sleeve, in turn, drives the stirring blades to rotate, thus facilitating the full mixing of the drug powder and binder solution and improving the quality of the produced drug granules.
[0020] 2. In this automatic granulation mechanism for powdered medicine, when the hollow rotating shaft rotates, it facilitates the rotation of the connecting sleeve, which in turn facilitates the rotation of the connecting rod, which in turn facilitates the rotation of the scraper. The scraper is heated by an electric heating tube, which helps the scraper clean the drug powder adhering to the inner wall of the buffer cylinder and prevents drug waste. Attached Figure Description
[0021] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the present invention;
[0022] Figure 2 This is a cross-sectional view of the buffer cylinder of this utility model;
[0023] Figure 3 This is a three-dimensional structural diagram of the stirring mechanism of this utility model;
[0024] Figure 4 This utility model Figure 3 Enlarged structural diagram at point A in the middle.
[0025] In the diagram: 1. Granulator body; 2. Mixing mechanism; 10. Buffer cylinder; 11. Feed hole; 12. Movable cover; 13. Granulation funnel; 14. Feed pipe; 20. Hollow rotating shaft; 21. Fixed sleeve; 22. Mixing blade; 23. Connecting sleeve; 24. Connecting rod; 25. Scraper; 26. Stabilizing base; 27. Servo motor; 28. Electric heating tube; 29. Reinforcing frame. Detailed Implementation
[0026] 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.
[0027] like Figures 1-4As shown, this utility model discloses an automatic granulation mechanism for powdered medicine, including a granulator body 1. The output end of the granulator body 1 is provided with a granulation funnel 13, and the input end of the granulator body 1 is provided with a buffer cylinder 10. The bottom surface of the buffer cylinder 10 is provided with a feed hole 11 for introducing granulated powder into the granulator body 1. The mechanism also includes a stirring mechanism 2 disposed inside the buffer cylinder 10 for stirring the material inside the buffer cylinder 10. The stirring mechanism 2 includes a rotatable hollow rotating shaft 20, a fixing sleeve 21 sleeved on the outer side of the hollow rotating shaft 20, and a stirring blade 22 disposed on the outer side of the fixing sleeve 21. A connecting sleeve 23 is disposed on the outer side of the hollow rotating shaft 20, and a connecting rod 24 is disposed on the outer side of the connecting sleeve 23, with the connecting rod 24 located away from the connecting sleeve. A scraper 25 is fixedly installed at one end of the 23, and the scraper 25 is slidably connected to the buffer cylinder 10 to remove the adhesive powder on the inner wall of the buffer cylinder 10. A stabilizing seat 26 is rotatably installed at one end of the hollow rotating shaft 20, and the stabilizing seat 26 is fixedly connected to the inner bottom surface of the buffer cylinder 10. A servo motor 27 is installed at the end of the hollow rotating shaft 20 away from the stabilizing seat 26. A movable cover 12 is installed on the servo motor 27, and the movable cover 12 is adapted to the buffer cylinder 10 to open or close the buffer cylinder 10. A reinforcing frame 29 is installed on the outside of the servo motor 27, and the reinforcing frame 29 is fixedly connected to the movable cover 12. A feed pipe 14 is fixedly connected to the outer surface of the buffer cylinder 10 by a flange, and the feed pipe 14 is used to introduce the binder solution and powdered drug into the buffer cylinder 10.
[0028] With the above structural design, when in use, the drug powder and binder solution are respectively fed into the buffer cylinder 10 through the feed pipe 14 and the servo motor 27 is started. The start of the servo motor 27 will drive the hollow rotating shaft 20 to rotate. The rotation of the hollow rotating shaft 20 facilitates the rotation of the fixed sleeve 21, and the rotation of the fixed sleeve 21 facilitates the rotation of the stirring blade 22, which facilitates the full mixing of drug powder and binder solution and improves the quality of the produced drug particles.
[0029] The scraper 25 is equipped with an electric heating tube 28, and the power supply line of the electric heating tube 28 is electrically connected to the power supply inside the hollow rotating shaft 20.
[0030] With the above structural design, when the hollow rotating shaft 20 rotates, it facilitates the rotation of the connecting sleeve 23, which in turn facilitates the rotation of the connecting rod 24, which in turn facilitates the rotation of the scraper 25. The scraper 25 is heated by the electric heating tube 28, which makes it easier for the scraper 25 to clean the drug powder adhering to the inner wall of the buffer cylinder 10 and prevent drug waste.
[0031] Working principle: When using this automatic powder granulation mechanism, the drug powder and binder solution are fed into the buffer cylinder 10 through the feed pipe 14, and the servo motor 27 is started. The start of the servo motor 27 will drive the hollow rotating shaft 20 to rotate. The rotation of the hollow rotating shaft 20 facilitates the rotation of the fixed sleeve 21, which in turn facilitates the rotation of the stirring blade 22, thus facilitating the full mixing of the drug powder and binder solution and improving the quality of the produced drug granules. At the same time, the rotation of the hollow rotating shaft 20 facilitates the rotation of the connecting sleeve 23, which in turn facilitates the rotation of the connecting rod 24, which in turn facilitates the rotation of the scraper 25. The scraper 25 is heated by the electric heating tube 28, which facilitates the scraper 25 to clean the drug powder adhering to the inner wall of the buffer cylinder 10 and prevents drug waste.
[0032] Based on the above-described preferred embodiments of this utility model, and through the foregoing description, those skilled in the art can make various changes and modifications without departing from the technical concept of this utility model. The technical scope of this utility model is not limited to the contents of the specification, but must be determined according to the scope of the claims.
Claims
1. An automatic granulation mechanism for powdered medicine, comprising a granulator body (1), wherein the output end of the granulator body (1) is provided with a granulation funnel (13), and the input end of the granulator body (1) is provided with a buffer cylinder (10), wherein the bottom surface of the buffer cylinder (10) is provided with a feed hole (11), and the feed hole (11) is used to introduce granulated powder into the granulator body (1). Its features are, Also includes: A stirring mechanism (2) is installed inside the buffer cylinder (10) and is used to stir the material inside the buffer cylinder (10). The stirring mechanism (2) includes a rotatable hollow rotating shaft (20). A fixing sleeve (21) is sleeved on the outside of the hollow rotating shaft (20), and a stirring blade (22) is provided on the outside of the fixing sleeve (21). A connecting sleeve (23) is provided on the outside of the hollow rotating shaft (20), and a connecting rod (24) is provided on the outside of the connecting sleeve (23). A scraper (25) is fixedly provided at the end of the connecting rod (24) away from the connecting sleeve (23), and the scraper (25) is slidably connected to the buffer cylinder (10) to remove the adhesive powder on the inner wall of the buffer cylinder (10).
2. The automatic granulation mechanism for powdered medicine according to claim 1, characterized in that: One end of the hollow rotating shaft (20) is rotatably provided with a stabilizing seat (26), and the stabilizing seat (26) is fixedly connected to the inner bottom surface of the buffer cylinder (10).
3. The automatic granulation mechanism for powdered medicine according to claim 2, characterized in that: A servo motor (27) is provided at the end of the hollow rotating shaft (20) away from the stable base (26). A movable cover (12) is provided on the servo motor (27), and the movable cover (12) is adapted to the buffer cylinder (10) for opening or closing the buffer cylinder (10).
4. The automatic granulation mechanism for powdered medicine according to claim 3, characterized in that: The servo motor (27) is provided with a reinforcing frame (29) on its outer side, and the reinforcing frame (29) is fixedly connected to the movable cover (12).
5. The automatic granulation mechanism for powdered medicine according to claim 1, characterized in that: The scraper (25) is equipped with an electric heating tube (28) inside, and the power supply line of the electric heating tube (28) is electrically connected to the power supply inside the hollow rotating shaft (20).
6. The automatic granulation mechanism for powdered medicine according to claim 1, characterized in that: The outer surface of the buffer cylinder (10) is fixedly connected to the feed pipe (14) by a flange, and the feed pipe (14) is used to introduce the binder solution and powdered drug into the buffer cylinder (10).