Tablet grinding equipment for pharmaceutical research
By using a motor-driven rotary shaft and telescopic shaft design, combined with threaded grooves and a cleaning plate, the problems of uneven grinding and drug residue in tablet grinding equipment are solved, achieving an efficient and flexible tablet grinding process.
Patent Information
- Application Number
- CN202423053931.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-11
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-12-11
AI Technical Summary
Traditional tablet grinding equipment suffers from problems such as uneven grinding, low efficiency, easy contamination, complex cleaning and maintenance, poor durability, and poor performance when grinding special tablets.
The design employs a motor-driven rotating shaft and telescopic shaft, combined with threaded grooves and a cleaning plate, to achieve efficient grinding of tablets. The replacement mechanism of the grinding jar is simplified through the replacement of the limit post and spring.
It ensures the uniformity and efficiency of tablet grinding, prevents powder residue and clogging, simplifies equipment maintenance and replacement processes, and improves the flexibility and practicality of the equipment.
Smart Images
Figure CN223669252U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to pharmacy equipment technical field especially, it relates to a medicine piece grinding equipment for pharmacy research. BACKGROUND
[0002] In the field of pharmaceutical research, tablet grinding is a common and important operation. With the continuous deepening of drug research and development and the diversification of clinical drug needs, the requirements for tablet grinding equipment are also increasing.
[0003] Traditional tablet grinding methods often rely on simple manual grinding tools, such as mortars and pestles. However, this approach has many drawbacks. Manual grinding is difficult to ensure uniformity of grinding force and speed, which can lead to insufficient tablet grinding and uneven particle size of the powder. Uneven powder particles can affect the determination of the physical and chemical properties of the drug, for example, in drug dissolution testing, the presence of larger particles can make the dissolution rate inaccurate, thereby interfering with the evaluation of drug release characteristics, and, moreover, manual grinding is inefficient, reducing the overall efficiency of research work.
[0004] In addition, in some small laboratories or clinical settings, some existing grinding equipment has achieved a certain degree of automation, but still has many problems. For example, the cleaning and maintenance of the equipment is complex, and cross-contamination between different drugs is easy to occur. When conducting research on multiple drugs, residual drug components can mix into the next batch of samples, changing the proportion of drug components and causing errors in experimental results that cannot be ignored, and, moreover, the durability of the equipment is uneven, key components wear out quickly and need to be replaced frequently, increasing the use cost and downtime maintenance time of the equipment.
[0005] In addition, some grinding equipment performs poorly when grinding tablets with special properties, such as tablets with high viscosity that tend to clump and adhere to the grinding components, affecting the grinding effect and causing waste of the drug. SUMMARY
[0006] To make up for the above shortcomings, the utility model provides a medicine piece grinding equipment for pharmacy research, aiming to improve the problem of insufficient grinding caused by powder clogging the grinding appliance and drug residue when grinding different tablets in the prior art.
[0007] To achieve the above purpose, the utility model adopts the following technical scheme: a medicine piece grinding equipment for pharmacy research, comprising an external shell, the internal part of the external shell is provided with a grinding mechanism, which is used for grinding tablets into powder, the internal part of the external shell is provided with a replacement mechanism, which is used for fixing and replacing the grinding component;
[0008] The grinding mechanism comprises a motor fixedly connected in the inner wall of the external shell, an output end of the motor is fixedly connected with a rotating shaft, an inner wall of the rotating shaft is slidably connected with an extension shaft, a threaded groove is formed in an outer wall of the extension shaft, and an outer wall of the extension shaft is slidably connected with a grinding tank.
[0009] As a further description of the above technical solution, the replacement mechanism comprises a limiting column slidably connected to the inner wall of the external shell, one end of the limiting column is fixedly connected with a spring, the other end of the spring is fixedly connected to the inner wall of the external shell, the spring is wrapped between the outer wall of the limiting column and the inner wall of the external shell, and the outer wall of the grinding tank is fixedly connected with a locking plate.
[0010] As a further description of the above technical solution, an arc-shaped groove is formed in the outer wall of the rotating shaft, and a locking column is fixedly connected to the outer wall of the extension shaft and slidably connected to the inner wall of the arc-shaped groove.
[0011] As a further description of the above technical solution, the inner wall of the external shell is fixedly connected with a limiting frame, and the locking column is slidably connected to the inside of the limiting frame.
[0012] As a further description of the above technical solution, the width of the threaded groove gradually decreases in the vertical upward direction, and the inner wall of the grinding tank is fixedly connected with a cleaning plate.
[0013] As a further description of the above technical solution, the edge of the cleaning plate is engaged with the threaded groove, and when the extension shaft reaches the maximum extension length, the thickest end of the cleaning plate is in communication with the thickest end of the threaded groove.
[0014] As a further description of the above technical solution, a limiting groove is formed in the upper end of the limiting column, and the limiting groove is engaged with the locking plate.
[0015] The utility model has the advantages of the following beneficial effects:
[0016] 1. In the utility model, the motor, the rotating shaft, the extension shaft, the threaded groove and the grinding tank in the grinding mechanism are designed to realize efficient grinding of tablets. The motor drives the rotating shaft to rotate, which promotes the extension shaft to slide in the rotating shaft. The engagement of the threaded groove and the cleaning plate not only grinds the tablets into powder, but also cleans the threaded groove during the sliding process of the extension shaft, preventing the accumulation and blockage of the powder, thereby ensuring the grinding effect each time, greatly improving the grinding efficiency and quality, and solving the problem of insufficient grinding caused by powder blockage in traditional grinding equipment.
[0017] 2, The utility model discloses a replacement mechanism, including spacing post, spring and locking plate etc. parts, its structure design is simple and practical, when need to replace the grinding jar, convenient operation, only need to rotate the grinding jar and make spacing groove and locking plate disengage, spring can lift the grinding jar, and the old jar is conveniently taken out and replaces the new jar, and then press the rotation and make locking plate and spacing groove reengage and realize fixed. This design effectively solved the problem of different medicine tablets grinding powder, also improved the flexibility and practicality of equipment, and the maintenance and use of equipment are convenient. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 A three-dimensional view of a medicine tablet grinding equipment for pharmacy research is provided for the utility model;
[0019] Figure 2 A display view of a medicine tablet grinding equipment for pharmacy research is provided for the utility model;
[0020] Figure 3 A schematic view of a medicine tablet grinding equipment for pharmacy research is provided for the utility model;
[0021] Figure 4 A replacement mechanism schematic view of a medicine tablet grinding equipment for pharmacy research is provided for the utility model.
[0022] Legend:
[0023] 1, external shell, 2, motor, 3, rotating shaft, 4, telescopic shaft, 5, thread groove, 6, grinding jar, 7, spacing post, 8, spring, 9, locking plate, 10, arc slot, 11, locking column, 12, spacing frame, 13, cleaning plate, 14, spacing groove. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0025] Reference Figures 1-4The utility model provides a kind of embodiment: a kind of tablet grinding equipment for pharmaceutical research, including external shell 1, the inside of external shell 1 is provided with grinding mechanism, it is used to grind tablet into powder, the inside of external shell 1 is provided with replacement mechanism, it is used to fix and replace grinding component;Grinding mechanism includes motor 2, motor 2 is fixedly connected in the inside of external shell 1, the output of motor 2 is fixedly connected with rotating shaft 3, the inner wall of rotating shaft 3 is slidably connected with telescopic shaft 4, the outer wall of telescopic shaft 4 is opened with thread groove 5, the outer wall of telescopic shaft 4 is slidably connected with grinding pot 6.
[0026] The outer wall of rotating shaft 3 is opened with arc slot 10, the outer wall of telescopic shaft 4 is fixedly connected with locking column 11, and locking column 11 is slidably connected to the inner wall of arc slot 10.
[0027] The inner wall of external shell 1 is fixedly connected with limiting stand 12, and locking column 11 is slidably connected to the inside of limiting stand 12.
[0028] The width of thread groove 5 gradually reduces along vertical upward direction, and the inner wall of grinding pot 6 is fixedly connected with cleaning plate 13.
[0029] The edge of cleaning plate is engaged with thread groove, and the thickest end of cleaning plate is communicated with the thickest end of thread groove when telescopic shaft reaches maximum extension length.
[0030] Reference Figure 2 And Figure 3 Specifically, when working, first, the tablet to be ground is placed in grinding pot 6.Then start motor 2, and motor 2 drives rotating shaft 3 to rotate.Rotating shaft 3 rotates, and telescopic shaft 4 slides up and down in rotating shaft 3 due to the cooperation of arc slot 10 and locking column 11.At the same time, thread groove 5 on the outer wall of telescopic shaft 4 interacts with cleaning plate 13 on the inner wall of grinding pot 6.
[0031] When telescopic shaft 4 slides upward, because thread groove 5 gradually reduces along vertical upward direction, and cleaning plate 13 is engaged with thread groove 5, cleaning plate 13 rotates in thread groove 5 along with the rising of telescopic shaft 4, so as to clean the inner wall of thread groove 5, prevent drug powder from remaining and blocking.Each time, telescopic thread groove 5 and grinding pot 6 grind medicine once, and cleaning plate 13 cleans thread groove 5 once to ensure the grinding effect next time.
[0032] During the grinding process, the rotation of rotating shaft 3 drives telescopic shaft 4 to rotate and telescope, and then grinds the tablet, and the tablet in grinding pot 6 is gradually ground into powder under the action of rotating and grinding components.
[0033] The replacement mechanism comprises a limiting column 7 which is slidingly connected to the inner wall of the outer shell 1, one end of the limiting column 7 is fixedly connected with a spring 8, the other end of the spring 8 is fixedly connected to the inner wall of the outer shell 1, the spring 8 is wrapped between the outer wall of the limiting column 7 and the inner wall of the outer shell 1, and the outer wall of the grinding tank 6 is fixedly connected with a locking plate 9.
[0034] A limiting slot 14 is formed in the upper end of the limiting column 7, and the limiting slot 14 is engaged with the locking plate 9.
[0035] Reference Figure 2 and Figure 4 Specifically, when the grinding tank 6 needs to be replaced, the grinding tank 6 is rotated, at this time, the limiting slot 14 at the upper end of the limiting column 7 is disengaged from the locking plate 9 on the outer wall of the grinding tank 6, the spring 8 lifts the grinding tank 6, then the old grinding tank 6 can be taken out from the outer shell 1, and after a new grinding tank 6 is replaced, the grinding tank 6 is pressed and rotated to make the locking plate 9 engaged with the limiting slot 14, thereby fixing the new grinding tank 6.
[0036] Working principle: when working, first, the tablets to be ground are put into the grinding tank 6. Then the motor 2 is started, and the motor 2 drives the rotating shaft 3 to rotate. When the rotating shaft 3 rotates, the telescopic shaft 4 slides up and down in the rotating shaft 3 due to the cooperation of the arc-shaped slot 10 and the locking column 11. At the same time, the threaded slot 5 on the outer wall of the telescopic shaft 4 interacts with the cleaning plate 13 on the inner wall of the grinding tank 6.
[0037] When the telescopic shaft 4 slides upward, because the threaded slot 5 gradually narrows in the vertical upward direction, and the cleaning plate 13 is engaged with the threaded slot 5, the cleaning plate 13 will rotate in the threaded slot 5 with the rising of the telescopic shaft 4, thereby cleaning the inner wall of the threaded slot 5 to prevent the residual and blockage of the powder. Each time the telescopic threaded slot 5 and the grinding tank 6 grind the medicine once, and the cleaning plate 13 cleans the threaded slot 5 once to ensure the grinding effect next time.
[0038] During the grinding process, the rotation of the rotating shaft 3 drives the telescopic shaft 4 to rotate and telescope, thereby grinding the tablets, and the tablets in the grinding tank 6 are gradually ground into powder under the action of the rotating and grinding components.
[0039] When the grinding tank 6 needs to be replaced, the grinding tank 6 is rotated, at this time, the limiting slot 14 at the upper end of the limiting column 7 is disengaged from the locking plate 9 on the outer wall of the grinding tank 6, the spring 8 lifts the grinding tank 6, then the old grinding tank 6 can be taken out from the outer shell 1, and after a new grinding tank 6 is replaced, the grinding tank 6 is pressed and rotated to make the locking plate 9 engaged with the limiting slot 14, thereby fixing the new grinding tank 6.
[0040] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.
Claims
1. A tablet grinding device for pharmaceutical research, comprising an external casing (1), characterized in that: The inside of the external shell (1) is provided with a grinding mechanism for grinding the tablets into powder, and the inside of the external shell (1) is provided with a replacement mechanism for fixing and replacing the grinding part; The grinding mechanism comprises a motor (2) fixedly connected in the inside of the external shell (1), the output end of the motor (2) is fixedly connected with a rotating shaft (3), the inner wall of the rotating shaft (3) is slidably connected with an extension shaft (4), the outer wall of the extension shaft (4) is provided with a threaded groove (5), and the outer wall of the extension shaft (4) is slidably connected with a grinding tank (6).
2. The pharmaceutical tablet grinding device for pharmaceutical research according to claim 1, characterized in that: The replacement mechanism comprises a limiting column (7) slidably connected to the inner wall of the external shell (1), one end of the limiting column (7) is fixedly connected with a spring (8), the other end of the spring (8) is fixedly connected to the inner wall of the external shell (1), the spring (8) is wrapped between the outer wall of the limiting column (7) and the inner wall of the external shell (1), and the outer wall of the grinding tank (6) is fixedly connected with a locking plate (9).
3. A pharmaceutical tablet grinding device for pharmaceutical research according to claim 2, characterized in that: The outer wall of the rotating shaft (3) is provided with an arc-shaped groove (10), the outer wall of the extension shaft (4) is fixedly connected with a locking column (11), and the locking column (11) is slidably connected to the inner wall of the arc-shaped groove (10).
4. A pharmaceutical tablet grinding device for pharmaceutical research according to claim 3, characterized in that: The inner wall of the external shell (1) is fixedly connected with a limiting frame (12), and the locking column (11) is slidably connected in the inside of the limiting frame (12).
5. The tablet grinding device for pharmaceutical research according to claim 1, characterized in that: The width of the threaded groove (5) gradually decreases in the vertical upward direction, and the inner wall of the grinding tank (6) is fixedly connected with a cleaning plate (13).
6. A pharmaceutical tablet grinding device for pharmaceutical research according to claim 5, characterized in that: The edge of the cleaning plate (13) is engaged with the threaded groove (5), when the extension shaft (4) reaches the maximum extension length, the thickest end of the cleaning plate (13) is in communication with the thickest end of the threaded groove (5).
7. A pharmaceutical tablet grinding device for pharmaceutical research according to claim 2, characterized in that: The upper end of the limiting column (7) is provided with a limiting groove (14), and the limiting groove (14) is engaged with the locking plate (9).