Solid-liquid mixed medicament stirring device

The solid-liquid mixing agent stirring device addresses the inefficiency of traditional devices by combining grinding and stirring functions to enhance dissolution and reduce production time for weakly soluble pharmaceuticals.

CN222266934UActive Publication Date: 2024-12-31SHANDONG KEAO ENVIRONMENTAL TECH CO LTD
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Patent Information

Application Number
CN202420877419.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-25
Publication Date
2024-12-31
Estimated Expiration
2034-04-25

AI Technical Summary

Technical Problem

Traditional stirring devices for pharmaceuticals with weakly soluble solids have inadequate processing capacity, leading to prolonged production times.

Method used

A solid-liquid mixing agent stirring device with a mixing barrel having a small top diameter and large bottom diameter, equipped with a truncated cone-shaped inner grinding table and funnel-shaped outer grinding bucket, powered by forward and reverse motors, and featuring electric push rods and reinforcing ribs, which combine stirring, turning, and grinding functions to enhance dissolution.

Benefits of technology

The device improves dissolution rates of weakly soluble solids by controlled grinding and flipping actions, reducing production time through enhanced mixing efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a solid-liquid mixed medicament stirring device, which belongs to the technical field of stirring, and comprises a stirring barrel, the inner diameter of the stirring barrel is big-end-down, the periphery of the stirring barrel is provided with a mounting frame, the mounting frame is rotatably connected with the stirring barrel through a rotating shaft, and the side surface of the mounting frame is provided with a positive and negative motor for providing power for the rotating shaft; a circular-truncated-cone-shaped inner grinding table and a funnel-shaped outer grinding hopper are arranged in an inner cavity of the stirring barrel, the inner grinding table is rotationally connected with the stirring barrel through two rotating rods, the rotating rods are connected with stirring blades with the stirring function, and the stirring barrel is provided with a rotating motor for providing power for the rotating rods. A plurality of electric push rods arranged in an annular array are further embedded in the stirring barrel, moving parts of the electric push rods are fixedly connected with the outer grinding hopper, and a sealing gasket corresponding to the outer grinding hopper in position is bonded to the side face of the blocking ring plate. According to the solid-liquid mixed medicament stirring device, stirring, overturning and grinding can be combined, and the finished product time is shortened.
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Description

Technical Field

[0001] The utility model belongs to the technical field of stirring, in particular to a stirring device for solid-liquid mixed medicine. Background Art

[0002] In the field of pharmaceutical production, mixing of pharmaceuticals is one of the most important links, and the solid-liquid mixing pharmaceutical stirring device is a necessary basic equipment. However, the traditional stirring device is just a simple stirring device. For some solid drugs with weak solubility, the processing capacity is weak, which prolongs the time of finished products.

[0003] After searching, the Chinese patent document (authorization announcement number CN217910001U) discloses a solid-liquid mixed agent stirring device, wherein an upper receiving plate is fixed at the top of the stirring kettle, a main stirring shaft extending downward from the top is arranged inside the stirring kettle, an upper driving device is fixed at the upper end of the upper receiving plate, the driving shaft of the upper driving device is connected to the main stirring shaft, and a main stirring blade is arranged on the main stirring shaft; it also includes a lower receiving plate fixed at the bottom of the stirring kettle, a lower driving device is fixed at the lower end of the lower receiving plate, a secondary stirring shaft extending upward from the bottom is arranged inside the stirring kettle, the driving shaft of the lower driving device is connected to the secondary stirring shaft, and a secondary stirring blade or a stirring turbine is arranged on the secondary stirring shaft, and the main stirring shaft and the secondary shaft rotate in opposite directions. The present application sets stirring devices with opposite rotation directions at the upper and lower ends of the stirring kettle, so that the solid and liquid form a circumferential rotation in the kettle and also have a tumbling motion, thereby realizing a comprehensive contact reaction, solving the problem of incomplete reaction in the liquid medicine, and having the characteristics of simple structure, easy operation, sufficient reaction, and high mixing efficiency. The stirring device is just a simple stirring device. For some solid drugs with weak solubility, its processing capacity is weak, which prolongs the time for the finished product. Utility Model Content

[0004] The utility model aims to provide a solid-liquid mixed agent stirring device to solve the problems raised in the background technology.

[0005] To achieve the above object, the utility model provides the following technical solutions: a solid-liquid mixed agent stirring device, comprising a stirring barrel, the inner diameter of the stirring barrel is small at the top and large at the bottom, a mounting frame is arranged on the outer periphery of the stirring barrel, the mounting frame is rotatably connected to the stirring barrel through a rotating shaft, and a forward and reverse motor for providing power to the rotating shaft is installed on the side of the mounting frame;

[0006] The inner cavity of the mixing barrel is provided with a truncated cone-shaped inner grinding table and a funnel-shaped outer grinding bucket. The inner grinding table is rotatably connected to the mixing barrel through two rotating rods. The rotating rods are connected to stirring blades that provide stirring function. The mixing barrel is equipped with a rotating motor that provides power for the rotating rods. The mixing barrel is also embedded with multiple electric push rods arranged in a circular array. The moving part of the electric push rods is fixedly connected to the outer grinding bucket.

[0007] As a preferred embodiment, a blocking ring plate is fixedly connected to the inner wall of the mixing barrel, and a sealing gasket corresponding to the position of the outer grinding bucket is bonded to the side of the blocking ring plate.

[0008] As a preferred embodiment, the outer periphery of the inner grinding table and the inner wall of the outer grinding bucket are both provided with corresponding grinding patterns.

[0009] As a preferred embodiment, the outer wall of the outer grinding bucket is connected with a plurality of reinforcing ribs for enhancing stability, and the plurality of reinforcing ribs are further connected with a plurality of reinforcing rings.

[0010] As a preferred embodiment, the inner diameters of the plurality of reinforcement rings decrease sequentially.

[0011] As a preferred embodiment, the top of the stirring barrel is connected to a feeding pipe for introducing solid drugs and liquid medicines, and the bottom of the stirring barrel is embedded with a perspective window for observing the dissolution degree of the solid drugs.

[0012] As a preferred embodiment, the side of the mixing barrel is also connected to a discharge pipe with a solenoid valve, and the feeding pipe is threadedly connected with a sealing cover.

[0013] As a preferred embodiment, triangular frames for improving stability are connected to both sides of the installation frame, and the triangular frames are fixed to the ground by bolts.

[0014] Compared with the prior art, the technical effects and advantages of the utility model are as follows:

[0015] When the solid-liquid mixed medicine stirring device is used, the introduced solid medicine will be ground by the inner grinding table and the outer grinding bucket to improve the dissolution rate of the fixed medicine with weak solubility. After one grinding, the electric push rod is controlled to shrink so that the gap between the outer grinding bucket and the stirring bucket becomes larger, the forward and reverse motors are controlled to slowly drive the stirring bucket to flip, and then the electric push rod is controlled to extend so that the outer grinding bucket is against the sealing gasket of the blocking ring plate, and the forward and reverse motors are controlled to continue to flip and repeat the grinding. In this process, the stirring of the stirring blade can stir, and the flipping of the forward and reverse motors can change the state of the liquid, improve the overall stirring effect, and shorten the time of the finished product.

[0016] The solid-liquid mixed agent stirring device changes the minimum distance between the inner grinding table and the outer grinding bucket through different extensions of the electric push rod and different deformations of the rubber pad to meet different grinding needs. When grinding at the beginning, the distance is larger to reduce the grinding burden, and then it will gradually become smaller to improve the grinding effect and promote dissolution.

[0017] The solid-liquid mixed medicine stirring device can combine stirring, turning and grinding to shorten the production time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 It is a cross-sectional view of the mixing barrel, the feeding pipe and the discharging pipe of the utility model;

[0021] Figure 3 It is a structural schematic diagram of the external grinding bucket of the utility model;

[0022] Figure 4 It is a bottom view of the mixing barrel of the present utility model.

[0023] Description of reference numerals:

[0024] In the figure: 1. mixing barrel; 2. mounting frame; 3. forward and reverse motors; 4. inner grinding table; 5. outer grinding bucket; 6. rotating rod; 7. mixing blades; 8. rotating motor; 9. electric push rod; 10. blocking ring plate; 11. reinforcing ribs; 12. reinforcing ring; 13. feeding pipe; 14. discharging pipe; 15. triangular frame. DETAILED DESCRIPTION

[0025] In the following description, a large number of specific details are given to provide a more thorough understanding of the utility model. However, it is obvious to those skilled in the art that the utility model can be implemented without one or more of these details. In other examples, in order to avoid confusion with the utility model, some technical features known in the art are not described.

[0026] Unless otherwise defined, the directions of up, down, left, right, front, back, inside and outside involved in this document are based on the directions of up, down, left, right, front, back, inside and outside in the figures shown in the present utility model, and are explained here together.

[0027] The connection method can be bonding, welding, bolt connection, etc., depending on actual needs.

[0028] See also Figures 1 to 4As shown, this embodiment includes a mixing barrel 1, the inner diameter of the mixing barrel 1 is small at the top and large at the bottom, the outer periphery of the mixing barrel 1 is provided with a mounting frame 2, the mounting frame 2 is rotatably connected to the mixing barrel 1 through a rotating shaft, and a forward and reverse motor 3 for providing power to the rotating shaft is installed on the side of the mounting frame 2, the inner cavity of the mixing barrel 1 is provided with a truncated cone-shaped inner grinding table 4 and a funnel-shaped outer grinding bucket 5, the outer periphery of the inner grinding table 4 and the inner wall of the outer grinding bucket 5 are provided with corresponding grinding patterns, the inner grinding table 4 is rotatably connected to the mixing barrel 1 through two rotating rods 6, and the rotating rod 6 is connected to a stirring blade 7 that provides a stirring function. In this process, the stirring of the stirring blade 7 can be used for stirring, and the flipping of the forward and reverse motor 3 can change the state of the liquid, improve the overall stirring effect, and shorten the time of the finished product. The mixing barrel 1 A rotating motor 8 is installed to provide power for the rotating rod 6. The mixing barrel 1 is also embedded with a plurality of electric push rods 9 arranged in a circular array. The electric push rods 9 can also be arranged in a circle to improve stability. The moving part of the electric push rod 9 is connected and fixed to the outer grinding bucket 5. The introduced solid medicine will be ground by the inner grinding table 4 and the outer grinding bucket 5. After one grinding, the electric push rod 9 is controlled to shrink so that the gap between the outer grinding bucket 5 and the mixing barrel 1 becomes larger, and the forward and reverse motors 3 are controlled to slowly drive the mixing barrel 1 to flip. At this time, the solid medicine and liquid will move to the vicinity of the feeding tube 13 with gravity, and then the electric push rod 9 is controlled to extend so that the outer grinding bucket 5 is against the sealing gasket of the blocking ring plate 10, and the forward and reverse motors 3 are controlled to continue to flip and repeat the grinding.

[0029] In order to achieve blocking and prevent the liquid from accidentally flowing out from the blocking ring plate 10, the inner wall of the mixing barrel 1 is fixedly connected with the blocking ring plate 10, and the side of the blocking ring plate 10 is bonded with a sealing gasket corresponding to the position of the outer grinding bucket 5. The thickness of the rubber gasket is selected according to actual needs. The deformation degree of the rubber gasket can meet the change of the position of the outer grinding bucket 5. Through the different degrees of elongation of the electric push rod 9, the degree of deformation of the rubber gasket is different, so that the minimum distance between the inner grinding table 5 and the outer grinding bucket 6 is changed to meet different grinding needs. When grinding at the beginning, the distance is larger to reduce the grinding burden, and it will gradually become smaller later to improve the grinding effect and promote dissolution.

[0030] The outer wall of the outer grinding bucket 5 is connected with a plurality of reinforcing ribs 11 for enhancing stability. The plurality of reinforcing ribs 11 are also connected together with a plurality of reinforcing rings 12. The inner diameters of the plurality of reinforcing rings 12 decrease successively. The cooperation between the reinforcing ribs 11 and the reinforcing rings 12 can improve the strength of the outer grinding bucket 6.

[0031] As a preferred embodiment, the top of the stirring barrel 1 is connected to a feeding pipe 13 for introducing solid drugs and liquid drugs, and the bottom of the stirring barrel 1 is embedded with a perspective window for observing the degree of dissolution of solid drugs. The side of the stirring barrel 1 is also connected to a discharge pipe 14 with a solenoid valve. The feeding pipe 13 is threadedly connected to a sealing cover. The sealing cover of the feeding pipe 13 is opened, and the solid drug is first introduced into the stirring barrel 1 through the feeding pipe 13, and then the liquid drug is introduced, and then the sealing cover is covered.

[0032] Both sides of the installation frame 2 are connected with triangular frames 15 for improving stability, and the triangular frames 15 are connected and fixed to the ground by bolts.

[0033] The forward and reverse motor 3, the rotary motor 8, the electric push rod 9 and the solenoid valve are all conventional instruments. Their working principles, sizes and models are irrelevant to the problems solved by the present application, so they will not be described in detail. The control method of the present invention is controlled by a controller. The control circuit of the controller can be realized by simple programming by technicians in this field. The provision of power is also common knowledge in this field. The present invention is mainly used to protect mechanical devices, so the present invention will no longer explain the control method and circuit connection in detail.

[0034] How it works

[0035] The solid-liquid mixed medicine stirring device starts the rotating motor 8 in advance, opens the sealing cover of the feeding tube 13, first introduces the solid medicine into the stirring barrel 1 through the feeding tube 13, and then introduces the liquid medicine, and then covers the sealing cover. The introduced solid medicine will be ground by the inner grinding table 4 and the outer grinding bucket 5. After one grinding, the electric push rod 9 is controlled to shrink so that the gap between the outer grinding bucket 5 and the stirring barrel 1 becomes larger, and the forward and reverse motors 3 are controlled to slowly drive the stirring barrel 1 to flip. At this time, the solid medicine and the liquid will move to the vicinity of the feeding tube 13 with gravity, and then the electric push rod 9 is controlled to extend so that the outer grinding bucket 5 is against the sealing gasket of the blocking ring plate 10, and the forward and reverse motors 3 are controlled to continue to flip and repeat the grinding. In this process, the stirring of the stirring blade 7 can be stirred, and the flipping of the forward and reverse motors 3 can change the state of the liquid, improve the overall stirring effect, and shorten the time of the finished product.

[0036] It should be noted that, in this article, relational terms such as one and two are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0037] 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 solid-liquid mixed agent stirring device, comprising a stirring barrel (1), characterized in that: The inner diameter of the mixing barrel (1) is smaller at the top and larger at the bottom. A mounting frame (2) is provided on the outer periphery of the mixing barrel (1). The mounting frame (2) is rotatably connected to the mixing barrel (1) via a rotating shaft. A forward and reverse motor (3) for providing power to the rotating shaft is installed on the side of the mounting frame (2). The inner cavity of the mixing barrel (1) is provided with a truncated cone-shaped inner grinding table (4) and a funnel-shaped outer grinding bucket (5); the inner grinding table (4) is rotatably connected to the mixing barrel (1) via two rotating rods (6); the rotating rods (6) are connected to stirring blades (7) providing a stirring function; the mixing barrel (1) is equipped with a rotating motor (8) for providing power to the rotating rods (6); the mixing barrel (1) is also embedded with a plurality of electric push rods (9) arranged in a circular array; the moving parts of the electric push rods (9) are connected and fixed to the outer grinding bucket (5).

2. A solid-liquid mixed agent stirring device according to claim 1, characterized in that: A blocking ring plate (10) is fixedly connected to the inner wall of the mixing barrel (1), and a sealing gasket corresponding to the position of the outer grinding bucket (5) is bonded to the side surface of the blocking ring plate (10).

3. A solid-liquid mixed agent stirring device according to claim 1, characterized in that: The outer periphery of the inner grinding table (4) and the inner wall of the outer grinding bucket (5) are both provided with corresponding grinding patterns.

4. A solid-liquid mixed agent stirring device according to claim 3, characterized in that: The outer wall of the outer grinding bucket (5) is connected to a plurality of reinforcing ribs (11) for enhancing stability, and the plurality of reinforcing ribs (11) are also commonly connected to a plurality of reinforcing rings (12).

5. A solid-liquid mixed agent stirring device according to claim 4, characterized in that: The inner diameters of the plurality of reinforcement rings (12) decrease sequentially.

6. A solid-liquid mixed agent stirring device according to claim 1, characterized in that: The top end of the stirring barrel (1) is connected to a feeding pipe (13) for introducing solid medicines and liquid medicines, and the bottom end of the stirring barrel (1) is embedded with a perspective window for observing the degree of dissolution of the solid medicines.

7. A solid-liquid mixed agent stirring device according to claim 6, characterized in that: The side of the mixing barrel (1) is also connected to a discharge pipe (14) with a solenoid valve, and the feeding pipe (13) is threadedly connected to a sealing cover.

8. The solid-liquid mixed agent stirring device according to claim 1, characterized in that: Both sides of the installation frame (2) are connected to triangular frames (15) for improving stability, and the triangular frames (15) are connected and fixed to the ground by bolts.