Medicament raw material mixing device
By designing a mixing and cleaning unit for the pharmaceutical raw material mixing device, the problem of difficult-to-clean material adhering to the inner wall of the mixing tank was solved, achieving efficient and comprehensive cleaning and uniform mixing, reducing cleaning costs, and ensuring high purity and efficient production of the pharmaceuticals.
Patent Information
- Application Number
- CN202520375462.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-05
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-03-05
AI Technical Summary
During the pharmaceutical production process, dust adhering to the inner wall of the mixing tank and the stirring rod is difficult to clean, affecting the purity and quality of the pharmaceutical, and the cleaning cost is high.
A pharmaceutical raw material mixing device was designed, comprising a mixing unit and a cleaning unit. The mixing unit is used to push the material and remove it through the discharge port. The cleaning unit cleans the inner wall of the mixing tank under the protection of a protective cover. It uses an air pump to generate positive and negative pressure to achieve all-round cleaning, and combines it with a vibration unit to improve the mixing uniformity.
It achieves efficient and comprehensive cleaning inside the mixing tank, reduces manual cleaning costs, ensures high purity and efficient mixing of the reagents, and provides production support for high-quality reagents.
Smart Images
Figure CN223800364U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to medicament production equipment technical field, concretely is a kind of medicament raw material mixing device. BACKGROUND
[0002] In the medicament production process, the mixing of medicament raw materials is a crucial link. When mixing granular, powder and other medicament raw materials, the dust generated by mixing is easily attached to the inner wall of the mixing tank and the stirring rod used for mixing. Since the mixing tank needs to maintain a high hygiene standard, such as maintaining a sterile environment through sealing, it is difficult to clean the attached materials, increasing the cost of manual cleaning, and it may also contaminate new materials during the next mixing, affecting the purity and quality of the medicament. SUMMARY
[0003] To solve the problems in the prior art, the utility model provides a medicament raw material mixing device.
[0004] The technical scheme is a medicament raw material mixing device, which includes a mixing tank with a fixed relative position. A mixing unit for mixing and moving materials is arranged at the bottom of the mixing tank. A cleaning unit for cleaning materials in the mixing tank is arranged above the mixing unit in the mixing tank. The outer side of the cleaning unit is covered with a protective cover, and the structure is formed such that the protective cover opens when the cleaning unit cleans the materials in the mixing tank, and the protective cover closes after the cleaning unit stops cleaning. A feed inlet is arranged at the upper part of the mixing tank, and a discharge outlet is arranged at the bottom of the mixing tank. Switches are arranged at each feed inlet and discharge outlet.
[0005] As a preferred design, a vibration unit for vibrating the mixing tank is installed on the outer side wall of the mixing tank.
[0006] As a preferred design, the side of the mixing tank away from the discharge outlet is arranged upwardly inclined. When mixing materials, the mixing unit pushes the materials to move upwardly inclined, and when removing materials, the mixing unit pushes the materials to move downwardly inclined.
[0007] As a preferred design, the mixing unit includes a rotating shaft, the rotating shaft is rotatably connected with the mixing tank, the bottom part of the mixing tank between the two side edges is in a U-shaped structure, the rotating shaft is parallel to the U-shaped structure, and helical blades are installed on the rotating shaft.
[0008] As a preferred design, the part of the rotating shaft that protrudes outwardly through the side wall of the mixing tank is connected with the mixing tank through a bearing. A sealing ring is installed between the part of the rotating shaft that protrudes outwardly through the side wall of the mixing tank and the mixing tank. After the other end of the rotating shaft is connected with the mixing tank through a sealing ring and a bearing in sequence, the part of the rotating shaft that protrudes outwardly from the mixing tank is fixedly connected with the output shaft of a first motor, and the first motor is fixedly connected with the mixing tank.
[0009] As a preferred design, the cleaning unit comprises a hollow rod, the protective cover is surrounded by side plates, the hollow rod is in sliding connection with the side plates, the hollow rod is provided with a spray head at the connection of the side plates, when the hollow rod is in a positive pressure state, the side plates are spaced apart, and the spray heads are located at the spacing, when the hollow rod is in a negative pressure state, the adjacent parts of the side plates are in contact with each other.
[0010] As a preferred design, the hollow rod is provided with an air outlet, a pressure one-way valve is installed at each air outlet, and a spray head is installed at each air outlet.
[0011] As a preferred design, the hollow rod is in rotational connection with the mixing tank, one end of the hollow rod is in communication with the air pump through a connecting pipe, and a valve is installed on the connecting pipe.
[0012] As a preferred design, one end of the hollow rod is in connection with the mixing tank through a sealing ring and a bearing in sequence, the connecting pipe is fixedly connected with the mixing tank, one end of the hollow rod is in communication with the connecting pipe, and the other end of the hollow rod is in connection with the mixing tank through a sealing ring and a bearing in sequence, the part of the other end of the hollow rod extending out of the mixing tank is fixedly connected with the output shaft of the second motor through a speed reducer, and the relative positions of the second motor, the speed reducer and the mixing tank are fixed.
[0013] Preferably, the projections of the feeding port and the protective cover on a horizontal plane do not contact each other.
[0014] The utility model provides a kind of medicament raw material mixing device, compared with prior art has beneficial effects:
[0015] 1, material enters into mixing tank from feeding port, is mixed by mixing unit, the protective cover is closed at this time, so that the mixed material can be attached to the outer side wall of protective cover, the cleaning unit in protective cover has no influence, then material is removed by the pushing of mixing unit through discharge port, then the protective cover is opened, and the material in mixing tank is cleaned by cleaning unit, wherein the material in mixing pipe includes the material attached to the outer side wall of protective cover, the material on mixing unit, the material on the inner side wall of mixing tank, the inside of mixing tank is cleaned in depth, greatly reduces artificial cleaning cost, while ensuring high purity of material next time mixing, provides strong support for the production of high-quality medicament.
[0016] 2、When the air pump fills the air into the hollow rod, the hollow rod is in the positive pressure state, at this time, the hollow rod also rotates, the material adhered to the outer wall of the protective cover is cleaned, and the side plates slide outward relative to the hollow rod, the protective cover is opened, and the spray heads located in the interval are convenient for spraying the gas to the inner wall of the mixing unit and the mixing tank, so as to clean the material adhered to the mixing unit and the inner wall of the mixing tank. When the cleaning is stopped, the air pump is used to extract the gas from the hollow rod, the hollow rod is in the negative pressure state, at this time, the hollow rod stops rotating, the side plates slide inward relative to the hollow rod, and the protective cover is closed, so as to protect the cleaning unit and prevent the mixed material from affecting the cleaning unit. Meanwhile, through cooperation of the sealing rings, the inside of the mixing tank is cleaned in all directions and without dead angle under the condition of ensuring the sealing of the mixing tank, and the residual material on the tank wall is completely cleaned.
[0017] 3、In the material mixing stage, the movement path of the material in the mixing tank is increased, so that more sufficient and uniform mixing effect is realized, and in the discharging stage, the mixing unit pushes the material to move obliquely downward, so that the efficient discharging is effectively guaranteed. BRIEF DESCRIPTION OF DRAWINGS
[0018] Fig. 1 It is a front view of the utility model.
[0019] Fig. 2 It is a schematic view of the mixing tank of the utility model in A-A direction.
[0020] Fig. 3 It is a schematic view of the utility model when the protective cover is opened.
[0021] In the drawing: 1, mixing tank, 2, mixing unit, 2.1, rotating shaft, 2.2, spiral blade, 3, cleaning unit, 3.1, hollow rod, 3.2, air outlet, 3.3, pressure check valve, 3.4, spray head, 4, protective cover, 4.1, side plate, 5, feeding port, 6, discharging port, 7, vibration unit, 8, first motor, 9, second motor, 10, switch, 11, connecting pipe, 12, support. DETAILED DESCRIPTION
[0022] The technical solutions of the embodiments of the present application will be described clearly and completely in combination with the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work are within the scope of the present application. In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only used for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.
[0023] In addition, the terms "first", "second", "third" are only used for description purposes, and cannot be understood as indicating or implying relative importance. In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting" should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0024] The present application will be described in further detail below through specific examples and in combination with the drawings.
[0025] Please refer to Figs. 1-3The utility model provides a technical scheme: a kind of medicament raw material mixing device, including the mixing tank 1 of relative position fixed, the mixing unit 2 for mixing and moving material is arranged in the bottom of mixing tank 1, the cleaning unit 3 for cleaning material in mixing tank 1 is arranged in the top of mixing unit 2 in mixing tank 1, the outside of cleaning unit 3 is covered with protective cover 4, and form the structure that protective cover 4 opens when cleaning unit 3 cleans material in mixing tank 1, protective cover 4 closes after cleaning unit 3 stops cleaning, the upper portion of mixing tank 1 is provided with feed inlet 5, the bottom of mixing tank 1 is provided with discharge port 6, each feed inlet 5, discharge port 6 is provided with switch 10, when using, material enters into mixing tank 1 from feed inlet 5, mixes by mixing unit 2, at this time protective cover 4 is closed, so that the mixed material can be attached to the outside wall of protective cover 4, there is no influence to cleaning unit 3 in protective cover 4, then material is removed by the pushing of mixing unit 2 through discharge port 6, then protective cover 4 is opened, and material in mixing tank 1 is cleaned by cleaning unit 3, wherein the material in mixing pipe includes the material attached to the outside wall of protective cover 4, the material on mixing unit 2, the material on the inside wall of mixing tank 1, the inside of mixing tank is cleaned in depth, and the artificial cleaning cost is greatly reduced, and the high purity of material is ensured next time mixing, and strong support is provided for the production of high-quality medicament.
[0026] In an embodiment, vibration unit 7 for vibrating mixing tank 1 is installed on the outside wall of mixing tank 1, vibration unit 7 can be suitable components such as vibration motor, vibration unit 7 is bolted with the outside wall of mixing tank 1, vibration unit 7 can run when material mixes and cleaning, plays the role of auxiliary mixing and auxiliary cleaning, vibration unit 7 can be used or not.
[0027] In an embodiment, the side of mixing tank 1 away from discharge port 6 is arranged upwardly inclined, when mixing material, mixing unit 2 pushes material to move obliquely upward, when removing material, mixing unit 2 pushes material to move obliquely downward, in material mixing stage, the movement path of material in mixing tank 1 is increased, so that more sufficient and uniform mixing effect is realized, in discharge stage, mixing unit 2 pushes material to move obliquely downward, provides strong guarantee for efficient discharge.
[0028] In an embodiment, mixing unit 2 includes rotating shaft 2.1, rotating shaft 2.1 is rotationally connected with mixing tank 1, the bottom of mixing tank 1 is located between the part of two sides and is in U-shaped structure, rotating shaft 2.1 is parallel with U-shaped structure, helical blade 2.2 is installed on rotating shaft 2.1, the rotation of helical blade 2.2 realizes the mixing and movement of material.
[0029] In an embodiment, the rotating shaft 2.1 is connected to the mixing tank 1 through a bearing at the portion of the rotating shaft 2.1 extending out of the mixing tank 1 through the side wall of the mixing tank 1, a sealing ring is installed between the portion of the rotating shaft 2.1 extending out of the mixing tank 1 through the side wall of the mixing tank 1 and the mixing tank 1, the other end of the rotating shaft 2.1 is connected to the mixing tank 1 through a sealing ring and a bearing in sequence, and the portion of the rotating shaft 2.1 extending out of the mixing tank 1 is fixedly connected to the output shaft of the first motor 8 through a coupling, the first motor 8 is bolted to the mixing tank 1, the sealing property of the inside of the mixing tank 1 is ensured, the leakage of materials and the entry of foreign matters from the outside are prevented, and the sanitary environment in the mixing tank 1 is maintained.
[0030] In an embodiment, the cleaning unit 3 comprises a hollow rod 3.1, and the protective cover 4 is surrounded by side plates 4.1, the number of the side plates 4.1 can be two, three or any suitable number, each side plate 4.1 surrounds a cylindrical structure, the two ends of the protective cover 4 are slidably connected to the inner side wall of the mixing tank 1, and the protective cover 4 cooperates with the inner side wall of the mixing tank 1 to protect the cleaning unit 3 in the protective cover 4, the hollow rod 3.1 is slidably connected to each side plate 4.1, a sealing ring is installed at the sliding connection between the hollow rod 3.1 and each side plate 4.1, and nozzles 3.4 are arranged at the connection positions of the hollow rod 3.1 and each side plate 4.1, when the hollow rod 3.1 is in a positive pressure state, there is a gap between each side plate 4.1, and each nozzle 3.4 is located at the gap, and when the hollow rod 3.1 is in a negative pressure state, the adjacent portions of each side plate 4.1 contact each other.
[0031] In an embodiment, air outlets 3.2 are formed in the hollow rod 3.1, pressure check valves 3.3 are installed at each air outlet 3.2, and nozzles 3.4 are installed at each air outlet 3.2, through the pressure check valves 3.3, on one hand, high-pressure gas can be sprayed, and on the other hand, when air is filled into the hollow rod 3.1, a positive pressure environment can be affected, and when air is extracted from the hollow rod 3.1, a negative pressure environment can be affected.
[0032] In one embodiment, the hollow rod 3.1 is rotatably connected to the mixing tank 1. One end of the hollow rod 3.1 is connected to the air pump via a connecting pipe 11, and a valve is installed on the connecting pipe 11. When the hollow rod 3.1 rotates, the centrifugal force causes each side plate 4.1 to slide outward relative to the hollow rod 3.1, thus creating a gap between the side plates 4.1. Simultaneously, the rotation of the hollow rod 3.1 drives the protective cover 4 to rotate, thereby cleaning the material adhering to the outer wall of the protective cover 4. When the air pump fills the hollow rod 3.1 with gas, the hollow rod 3.1 is under positive pressure. At this time, the hollow rod 3.1 also rotates, and each side plate 4.1 slides outward relative to the hollow rod 3.1, creating a gap between the side plates 4.1. There is a gap, that is, the protective cover 4 is open, and the nozzles 3.4 located at the gap can spray gas onto the mixing unit 2 and the inner wall of the mixing tank 1, thereby cleaning the material adhering to the mixing unit 2 and the inner wall of the mixing tank 1. When cleaning stops, when the gas is extracted from the hollow rod 3.1 by the air pump, the hollow rod 3.1 is in a negative pressure state. At this time, the hollow rod 3.1 stops rotating, and each side plate 4.1 slides inward relative to the hollow rod 3.1, so that the adjacent parts of each side plate 4.1 contact each other, that is, the protective cover 4 closes, thereby protecting the cleaning unit 3. This forms a structure in which the protective cover 4 is open when the cleaning unit 3 cleans the material in the mixing tank 1 and closes after the cleaning unit 3 stops cleaning.
[0033] In one embodiment, one end of the hollow rod 3.1 is connected to the mixing tank 1 in sequence via a sealing ring and a bearing. The connecting pipe 11 is fixedly connected to the mixing tank 1 via a thread. One end of the hollow rod 3.1 communicates with the connecting pipe 11. The other end of the hollow rod 3.1 is connected to the mixing tank 1 in sequence via a sealing ring and a bearing. The part extending outward from the mixing tank 1 is fixedly connected to the output shaft of the second motor 9 via a reducer. The relative positions of the second motor 9, the reducer, and the mixing tank 1 are fixed to ensure the sealing of the mixing tank 1, prevent material leakage and the entry of external impurities, and maintain a hygienic environment inside the mixing tank 1.
[0034] In one embodiment, the projections of the feed inlet 5 and the protective cover 4 on the horizontal plane do not contact each other, so that the material entering the mixing tank 1 from the feed inlet 5 does not come into contact with the protective cover 4.
[0035] In one embodiment, the mixing tank 1 is welded to the bottom of the fixed bracket 12, and the bracket 12 is bolted to the first motor 8, the second motor 9, and the reducer.
[0036] The present invention has been described in detail above through specific embodiments and examples, but these are not intended to limit the present invention. Many modifications and improvements can be made by those skilled in the art without departing from the principles of the present invention, and these should also be considered within the scope of protection of the present invention.
Claims
1. A pharmaceutical raw material mixing device comprising a mixing tank (1) whose relative position is fixed, characterized by: The mixing tank (1) is provided with a mixing unit (2) for mixing and moving materials at the bottom of the mixing tank (1), and a cleaning unit (3) for cleaning materials in the mixing tank (1) is arranged above the mixing unit (2) in the mixing tank (1), the cleaning unit (3) is provided with a protective cover (4) on the outer side, forming a structure that the protective cover (4) is opened when the cleaning unit (3) cleans materials in the mixing tank (1) and the protective cover (4) is closed after the cleaning unit (3) stops cleaning, the upper part of the mixing tank (1) is provided with a feeding port (5), and the bottom of the mixing tank (1) is provided with a discharging port (6), and a switch (10) is arranged at each of the feeding port (5) and the discharging port (6).
2. The medicine material mixing device according to claim 1, characterized in that: The cleaning unit (3) comprises a hollow rod (3.1), the protective cover (4) is surrounded by side plates (4.1), the hollow rod (3.1) is in sliding connection with the side plates (4.1), the hollow rod (3.1) is provided with a spray head (3.4) at the connection of each side plate (4.1), when the hollow rod (3.1) is in a positive pressure state, there is a gap between each side plate (4.1), and each spray head (3.4) is located at the gap, when the hollow rod (3.1) is in a negative pressure state, the adjacent parts of each side plate (4.1) are in contact with each other.
3. The medicine material mixing device according to claim 1, characterized in that: The mixing unit (2) comprises a rotating shaft (2.1), the rotating shaft (2.1) is in rotating connection with the mixing tank (1), the bottom of the mixing tank (1) is in a U-shaped structure between two side edges, the rotating shaft (2.1) is parallel to the U-shaped structure, and the rotating shaft (2.1) is provided with a spiral blade (2.2).
4. The medicine material mixing device according to claim 1, characterized in that: The side of the mixing tank (1) away from the discharging port (6) is arranged to be inclined upward, when the mixture is mixed, the mixing unit (2) pushes the materials to move upward, and when the materials are removed, the mixing unit (2) pushes the materials to move downward.
5. The medicine material mixing device according to claim 1, characterized in that: The projections of the feeding port (5) and the protective cover (4) on the horizontal plane do not contact each other.
6. The medicine material mixing device according to claim 1, characterized in that: A vibration unit (7) for vibrating the mixing tank (1) is mounted on the outer side wall of the mixing tank (1).
7. The medicine material mixing device according to claim 3, characterized in that: The part of the rotating shaft (2.1) that protrudes outward through the side wall of the mixing tank (1) is connected to the mixing tank (1) through a bearing, a sealing ring is mounted between the part of the rotating shaft (2.1) that protrudes outward through the side wall of the mixing tank (1) and the mixing tank (1), and the part of the rotating shaft (2.1) that protrudes outward from the mixing tank (1) after sequentially passing through the sealing ring and the bearing is fixedly connected to the output shaft of a first motor (8), and the first motor (8) is fixedly connected to the mixing tank (1).
8. The medicine material mixing device according to claim 2, characterized in that: Air outlets (3.2) are formed in the hollow rod (3.1), a pressure one-way valve (3.3) is mounted at each air outlet (3.2), and a spray head (3.4) is mounted at each air outlet (3.2).
9. The medicine material mixing device according to claim 2, characterized in that: The hollow rod (3.1) is in rotating connection with the mixing tank (1), one end of the hollow rod (3.1) is communicated with a gas pump through a connecting pipe (11), and a valve is mounted on the connecting pipe (11).
10. The medicine material mixing device according to claim 9, characterized in that: The hollow rod (3.1) is connected with the mixing tank (1) through a sealing ring and a bearing at one end, the connecting pipe (11) is fixedly connected with the mixing tank (1), the hollow rod (3.1) is communicated with the connecting pipe (11) at one end, and the other end of the hollow rod (3.1) is connected with the mixing tank (1) through a sealing ring and a bearing, and the part of the hollow rod (3.1) extending out of the mixing tank (1) is fixedly connected with the output shaft of the second motor (9) through a speed reducer, and the second motor (9), the speed reducer and the mixing tank (1) are fixed in position.