Pharmaceutical device for liquid-powder mixing
By introducing structures such as spiral blades, blades and scrapers into the liquid powder mixing pharmaceutical device, the problem of insufficient agglomeration and dissolution of powder is solved, efficient powder crushing and mixing is achieved, and pharmaceutical efficiency is improved.
Patent Information
- Application Number
- CN202420332581.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-22
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-02-22
AI Technical Summary
The existing pharmaceutical devices for liquid powder mixing lack the crushing function of agglomerated powder, resulting in low accumulation and cutting efficiency, and the inability to add a small amount of powder multiple times, resulting in insufficient dissolution of powder.
A device including a hopper, spiral blade, guide tube, crushing chamber, blade, filter mesh, stirring chamber, pushing plate, partition and scraper are designed, and the spiral blade is stirred, blade crushing, filter mesh is filtered, Add the push plate in batches and stir the scraper to achieve crushing and full mixing of the powder.
The crushing efficiency and mixing and dissolution efficiency of the powder are significantly improved, the coagulation and adhesion of the powder are avoided, and the efficiency of the pharmaceutical process is improved.
Smart Images

Figure CN222131690U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pharmaceuticals, in particular to a pharmaceutical device for mixing liquid and powder. Background Art
[0002] During the preparation of medicines, some medicines require the powdered materials to be evenly mixed with the liquid materials to form a uniform slurry product, which is conducive to the smooth progress of subsequent processes.
[0003] CN210544590U discloses a pharmaceutical device for liquid-powder mixing, comprising a main box, two movable doors are arranged at the front of the inner wall of the main box, a liquid inlet pipe is inserted and connected to the right upper end of the main box, a stirring box is arranged at the lower part of the liquid inlet pipe, a control valve is inserted and connected to the middle part of the liquid inlet pipe, a motor box is arranged at the middle part of the upper end of the stirring box, a mounting pipe is arranged at the lower part of the motor box, a discharge pipe that passes through the main box is fixedly connected to the right end of the stirring box, a filter ring is arranged at the upper left part of the stirring box, a powder pipe is arranged at the upper end of the filter ring, and a filter screen is arranged between the powder pipe and the filter ring. The pharmaceutical device for liquid-powder mixing of this structure lacks the function of breaking the agglomerated powder, resulting in the agglomerated powder accumulating on the upper end of the filter screen, which is easy to affect the feeding efficiency, and requires manual repeated cleaning. At the same time, the powder cannot be added in small amounts and multiple times, resulting in a large amount of powder entering the mixed liquid and easily condensing into a mass, resulting in insufficient dissolution of the powder.
[0004] In order to solve the above-mentioned defects in the prior art, a pharmaceutical device for liquid-powder mixing with a novel structure was developed. Summary of the invention
[0005] The utility model aims to provide a pharmaceutical device for mixing liquid and powder.
[0006] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:
[0007] A pharmaceutical device for liquid-powder mixing comprises a hopper, wherein a spiral blade is arranged on the inner side of the hopper, a motor 1 is fixedly mounted on the lower end of the hopper, a material guide pipe is arranged on the upper end of the hopper, a crushing bin is fixedly mounted on the right end of the material guide pipe, a blade is arranged on the inner side of the crushing bin, a filter is arranged on the lower end of the blade, a motor 2 is fixedly mounted on the upper end of the crushing bin, a stirring bin is fixedly mounted on the lower end of the crushing bin, a motor 3 is fixedly mounted on the upper end of the stirring bin, a rotating shaft is arranged on the inner side of the stirring bin, a push plate is arranged on the outer side of the upper end of the rotating shaft, a partition is arranged on the lower end of the push plate, a stirring blade is arranged on the lower end of the partition, and a scraper is arranged on the outer side of the stirring blade.
[0008] Furthermore, the output end of the motor extends to the inner side of the hopper and is fixedly connected to the lower end of the spiral blade, the upper end of the spiral blade extends to the inner side of the material guide tube and is mutually adapted to the inner side of the material guide tube, and the lower end of the material guide tube is fixedly connected to the inner side of the hopper and is mutually adapted to facilitate the introduction of powder into the material guide tube.
[0009] The guide pipe and the inner side of the crushing bin are connected to each other, the output end of the second motor extends to the inner side of the crushing bin and is fixedly connected to the upper end of the blade through the output shaft, the upper ends of the blade and the filter screen are adapted to each other, and the filter screen is fixedly connected to the inner side of the crushing bin, so as to facilitate the crushing of powder lumps.
[0010] The upper end of the mixing bin and the lower end of the filter are connected to each other, an observation window is provided at the front end of the mixing bin, an infusion tube is connected to the upper end of the right side of the mixing bin, and a discharge pipe is connected to the lower end of the right side of the mixing bin, which is convenient for the input of liquid materials and the output of mixed liquids.
[0011] The lower end of the motor three extends to the inner side of the mixing bin and is fixedly connected to the upper end of the rotating shaft. The lower end of the rotating shaft is rotatably connected to the inner side of the mixing bin. The push plate and the inner side of the mixing bin are adapted to each other and are fixedly connected to the surface of the rotating shaft, so as to facilitate the separation of the powder.
[0012] The lower end of the push plate and the surface of the partition are adapted to each other, the partition is fixedly connected to the inner side of the mixing bin, a through groove is provided on the right side of the partition, the rotating shaft and the inner side of the through groove are adapted to each other, so that the powder can be added in small amounts and multiple times.
[0013] The stirring blades are arranged in a staggered manner and fixedly connected to the surface of the rotating shaft. The end of the stirring blade away from the rotating shaft is fixedly connected to the scraper. The outer side of the scraper and the inner side of the stirring bin are adapted to each other. The longitudinal section of the scraper is designed in a U-shaped structure to achieve sufficient stirring of the mixed liquid and prevent the powder from adhering to the inner wall of the stirring bin.
[0014] The utility model provides a hopper, spiral blades, a motor, a guide pipe, a crushing bin, and a blade, wherein powder is put into the hopper, the motor is controlled to work and drive the spiral blade to rotate, the spiral blade stirs the powder to remove larger lumps, and transports the powder to the inner side of the guide pipe, so that the powder enters the crushing bin along the guide pipe, and the blade is driven to rotate by the motor two to achieve full crushing of smaller lumps in the powder; by providing a filter screen, a motor two, a stirring bin, a motor three, a rotating shaft, a push plate, a partition, and a through slot, the powder with required fineness falls into the upper end of the partition in the stirring bin through the filter screen, the rotating shaft is driven to rotate by the motor three, and the push plate pushes the powder on the surface of the partition to the through slot in batches, so that the powder is added in small quantities and multiple times; by providing a rotating shaft, a stirring blade, and a scraper, the stirring blade and the scraper are driven to rotate by the rotating shaft to achieve stirring of the mixed liquid, the scraper scrapes the inner surface of the stirring bin, effectively preventing the powder from adhering to the inner wall of the stirring bin, and making the powder dissolve more fully.
[0015] Compared with the prior art, the utility model can solve the problem that the liquid-powder mixture is easy to condense into agglomerates, which affects the feeding, and can significantly improve the mixing and dissolving efficiency of the liquid-powder and improve the pharmaceutical efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0017] Figure 2 This is a schematic diagram of the three-dimensional structure of the push plate, partition plate, stirring blade and scraper of the utility model;
[0018] Figure 3 It is a front view half-section structure schematic diagram of the utility model.
[0019] In the figure: 1. hopper; 2. spiral blade; 3. motor 1; 4. material guide pipe; 5. crushing chamber; 6. blade; 7. filter; 8. motor 2; 9. mixing chamber; 91. observation window; 92. infusion tube; 93. feed pipe; 10. motor 3; 11. rotating shaft; 12. push plate; 13. partition; 131. through slot; 14. mixing blade; 15. scraper. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0021] like Figure 1-3A pharmaceutical device for mixing liquid and powder shown in the figure comprises a hopper 1, a spiral blade 2 is arranged on the inner side of the hopper 1, a motor 3 is fixedly installed on the lower end of the hopper 1, a guide tube 4 is arranged on the upper end of the hopper 1, the output end of the motor 3 extends to the inner side of the hopper 1 and is fixedly connected to the lower end of the spiral blade 2, the upper end of the spiral blade 2 extends to the inner side of the guide tube 4, and is adapted to the inner side of the guide tube 4, the lower end of the guide tube 4 is fixedly connected to the inner side of the hopper 1, and is adapted to each other, a crushing bin 5 is fixedly installed on the right end of the guide tube 4, a blade 6 is arranged on the inner side of the crushing bin 5, a filter screen 7 is arranged on the lower end of the blade 6, a motor 2 8 is fixedly installed on the upper end of the crushing bin 5, the inner sides of the guide tube 4 and the crushing bin 5 are connected to each other, the output end of the motor 2 8 extends to the inner side of the crushing bin 5, and is connected to the upper end of the blade 6 through the output The output shaft is fixedly connected, the upper ends of the blade 6 and the filter screen 7 are adapted to each other, the filter screen 7 is fixedly connected to the inner side of the crushing bin 5, and the lower end of the crushing bin 5 is fixedly installed with a stirring bin 9, the upper end of the stirring bin 9 and the lower end of the filter screen 7 are connected to each other, and the front end of the stirring bin 9 is provided with an observation window 91, and the upper end of the right side of the stirring bin 9 is connected with an infusion pipe 92, and the lower end of the right side of the stirring bin 9 is connected with a feed pipe 93. After a proper amount of liquid material is input into the stirring bin 9 through the infusion pipe 92, the powder is put into the hopper 1, and the motor 1 3 is controlled to work to drive the spiral blade 2 to rotate, and the spiral blade 2 stirs the powder to remove larger lumps, and transports the powder to the inner side of the guide pipe 4, so that the powder enters the crushing bin 5 along the guide pipe 4, and the blade 6 is driven to rotate by controlling the motor 2 8 to fully crush the smaller lumps in the powder;
[0022] The upper end of the mixing chamber 9 is fixedly mounted with a motor 3 10, a rotating shaft 11 is arranged inside the mixing chamber 9, a push plate 12 is arranged outside the upper end of the rotating shaft 11, the lower end of the motor 3 10 extends to the inner side of the mixing chamber 9, and is fixedly connected to the upper end of the rotating shaft 11, the lower end of the rotating shaft 11 is rotatably connected to the inner side of the mixing chamber 9, the push plate 12 and the inner side of the mixing chamber 9 are adapted to each other, and are fixedly connected to the surface of the rotating shaft 11, a partition 13 is arranged at the lower end of the push plate 12, and the push plate 12 is provided with a partition 13. The lower end of the partition 13 and the surface of the partition 13 are adapted to each other, the partition 13 and the inner side of the mixing chamber 9 are fixedly connected, a through slot 131 is provided on the right side of the partition 13, the rotating shaft 11 and the inner side of the through slot 131 are adapted to each other, and the powder with the required fineness falls into the upper end of the partition 13 in the mixing chamber 9 through the filter screen 7, and the rotating shaft 11 is driven to rotate by controlling the motor 3 10 to rotate, so that the pushing plate 12 pushes the powder on the surface of the partition 13 to the through slot 131 in batches, so as to realize the addition of powder in small amounts and multiple times;
[0023] A stirring blade 14 is provided at the lower end of the partition 13, and a scraper 15 is provided on the outer side of the stirring blade 14. A plurality of stirring blades 14 are staggered and fixedly connected to the surface of the rotating shaft 11. The end of the stirring blade 14 away from the rotating shaft 11 is fixedly connected to the scraper 15. The outer side of the scraper 15 and the inner side of the stirring bin 9 are adapted to each other. The longitudinal section of the scraper 15 is U-shaped. The stirring blade 14 and the scraper 15 are driven to rotate by the rotation of the rotating shaft 11 to achieve stirring of the mixed liquid. The scraper 15 scrapes the inner surface of the stirring bin 9 to effectively prevent the powder from adhering to the inner wall of the stirring bin 9, so that the powder is dissolved more fully.
[0024] During use, after an appropriate amount of liquid material is input into the mixing bin 9 through the infusion tube 92, the powder is put into the hopper 1, and the motor 1 3 is controlled to drive the spiral blade 2 to rotate. The spiral blade 2 stirs the powder to remove larger lumps and transports the powder to the inner side of the guide pipe 4, so that the powder enters the crushing bin 5 along the guide pipe 4. The blade 6 is driven to rotate by the motor 2 8 to fully crush the smaller lumps in the powder. The powder with the required fineness falls into the upper end of the partition 13 in the mixing bin 9 through the filter screen 7, and the motor 3 is controlled to 1 0 rotates to drive the rotating shaft 11 to rotate, so that the pushing plate 12 pushes the powder on the surface of the partition plate 13 to the through groove 131 in batches, so as to realize the addition of powder in small quantities and multiple times. At the same time, the rotating shaft 11 rotates to drive the stirring blade 14 and the scraper 15 to rotate, so as to realize the stirring of the mixed liquid. The scraper 15 scrapes the inner surface of the stirring bin 9, effectively preventing the powder from adhering to the inner wall of the stirring bin 9, so that the powder is dissolved more fully. The staff can observe the degree of mixing through the observation window 91, and after confirming that the mixing is completed, the mixed liquid can be discharged by opening the valve on the discharge pipe 93.
[0025] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.
[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A pharmaceutical device for mixing liquid and powder, comprising a hopper (1), characterized in that: A spiral blade (2) is arranged on the inner side of the hopper (1); a motor 1 (3) is fixedly mounted on the lower end of the hopper (1); a material guide pipe (4) is arranged on the upper end of the hopper (1); a crushing bin (5) is fixedly mounted on the right end of the material guide pipe (4); a blade (6) is arranged on the inner side of the crushing bin (5); a filter screen (7) is arranged on the lower end of the blade (6); a motor 2 (8) is fixedly mounted on the upper end of the crushing bin (5); a stirring bin (9) is fixedly mounted on the lower end of the crushing bin (5); a motor 3 (10) is fixedly mounted on the upper end of the stirring bin (9); a rotating shaft (11) is arranged on the inner side of the stirring bin (9); a pushing plate (12) is arranged on the outer side of the upper end of the rotating shaft (11); a partition plate (13) is arranged on the lower end of the pushing plate (12); a stirring blade (14) is arranged on the lower end of the partition plate (13); a scraper (15) is arranged on the outer side of the stirring blade (14).
2. A liquid-powder mixing pharmaceutical device according to claim 1, characterized in that: The output end of the motor 1 (3) extends to the inner side of the hopper (1) and is fixedly connected to the lower end of the spiral blade (2); the upper end of the spiral blade (2) extends to the inner side of the material guide tube (4) and is mutually compatible with the inner side of the material guide tube (4); the lower end of the material guide tube (4) is fixedly connected to the inner side of the hopper (1) and is mutually compatible.
3. A liquid-powder mixing pharmaceutical device according to claim 1, characterized in that: The guide pipe (4) and the inner side of the crushing chamber (5) are connected to each other, the output end of the second motor (8) extends to the inner side of the crushing chamber (5) and is fixedly connected to the upper end of the blade (6) via an output shaft, the blade (6) and the upper end of the filter screen (7) are adapted to each other, and the filter screen (7) is fixedly connected to the inner side of the crushing chamber (5).
4. A liquid-powder mixing pharmaceutical device according to claim 1, characterized in that: The upper end of the stirring chamber (9) and the lower end of the filter screen (7) are connected to each other, an observation window (91) is provided at the front end of the stirring chamber (9), an infusion tube (92) is connected to the upper end of the right side of the stirring chamber (9), and a feed tube (93) is connected to the lower end of the right side of the stirring chamber (9).
5. A liquid-powder mixing pharmaceutical device according to claim 1, characterized in that: The lower end of the motor three (10) extends to the inner side of the stirring chamber (9) and is fixedly connected to the upper end of the rotating shaft (11); the lower end of the rotating shaft (11) is rotatably connected to the inner side of the stirring chamber (9); the push plate (12) and the inner side of the stirring chamber (9) are mutually adapted and fixedly connected to the surface of the rotating shaft (11).
6. A liquid-powder mixing pharmaceutical device according to claim 1, characterized in that: The lower end of the push plate (12) and the surface of the partition (13) are mutually adapted, the partition (13) and the inner side of the stirring chamber (9) are fixedly connected, a through groove (131) is provided on the right side of the partition (13), and the rotating shaft (11) and the inner side of the through groove (131) are mutually adapted.
7. A liquid-powder mixing pharmaceutical device according to claim 1, characterized in that: A plurality of stirring blades (14) are arranged in a staggered manner and are fixedly connected to the surface of the rotating shaft (11); one end of the stirring blade (14) away from the rotating shaft (11) is fixedly connected to a scraper (15); the outer side of the scraper (15) and the inner side of the stirring chamber (9) are mutually adapted; and the longitudinal section of the scraper (15) is designed to be U-shaped.
