Reaction kettle for raw material medicine production

By designing a multi-axis stirring system, the problems of low stirring efficiency and unevenness in existing reaction vessels have been solved, achieving efficient and uniform stirring of drug raw materials.

CN223615875UActive Publication Date: 2025-12-02SHENZHOU WANKANG (TIBET) PHARMACEUTICAL CO LTD
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Patent Information

Application Number
CN202422909438.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-28
Publication Date
2025-12-02
Estimated Expiration
2034-11-28

AI Technical Summary

Technical Problem

Existing reaction vessels have low stirring efficiency and are not uniform enough in the production of pharmaceutical intermediates.

Method used

A multi-axis stirring system is adopted, including a first rotating shaft, a second rotating shaft and a limiting prism. Through a power component, the coordinated movement of gears, gear rings, stirring rods, stirring blades and reciprocating screws is driven to achieve multi-directional stirring.

Benefits of technology

It improves stirring efficiency and uniformity, ensuring thorough mixing of drug raw materials.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a reaction kettle for raw material medicine production, which comprises a stirring tank, the bottom end of the stirring tank is fixedly connected with a plurality of supporting feet, and the upper end of the stirring tank is fixedly connected with an end cover. According to the drug stirring device, the power assembly can drive the first rotating shaft, the second rotating shaft and the limiting prism to rotate, the limiting prism rotates to drive the stirring shaft to rotate so as to drive the multiple stirring blades to stir drug raw materials, and the first rotating shaft rotates to drive the gear to rotate so as to drive the connecting plate on the gear ring to rotate; the rotation direction of the stirring rods is opposite to the stirring direction of the stirring blades, and the rotation of the second rotating shaft can drive the reciprocating screw rod to rotate, so that the mounting frame can be driven to move up and down, the stirring shaft can be driven to move up and down while rotating, and the stirring efficiency and the stirring uniformity can be improved.
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Description

Technical Field

[0001] This utility model relates to the field of reaction vessels for the production of raw pharmaceutical materials, and in particular to a reaction vessel for the production of raw pharmaceutical materials. Background Technology

[0002] Pharmaceutical intermediates are high-tech, high-value-added, and specialized chemical raw materials or products used in the drug synthesis process. With the continuous improvement of people's living standards and the constant upgrading of drugs, the demand for intermediates is increasing. In the production of pharmaceutical intermediates, reaction vessels are generally used.

[0003] When producing pharmaceutical intermediates using a reaction vessel, various raw materials are typically added in specific proportions and then stirred. Existing stirring methods are relatively simple, resulting in low stirring efficiency and uneven mixing. To overcome these disadvantages, this invention provides a reaction vessel for producing pharmaceutical raw materials. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a reaction vessel for the production of raw pharmaceutical materials.

[0005] To achieve the above objectives, this utility model adopts the following technical solution: a reaction vessel for producing raw pharmaceutical materials, comprising a stirring tank, wherein a plurality of supporting feet are fixedly connected to the bottom end of the stirring tank, an end cover is fixedly connected to the top end of the stirring tank, an inner liner is fixedly connected inside the stirring tank, a spiral heating tube is provided between the stirring tank and the inner liner, a first rotating shaft is rotatably connected to one side of the upper end of the end cover, a gear is fixedly connected to the bottom end of the first rotating shaft through the end cover, a limit ring is fixedly connected to the outer ring of the bottom end of the end cover, a gear ring is rotatably connected inside the limit ring, and the gear... The end cap is engaged with a gear ring. Connecting plates are fixedly connected to both sides of the bottom end of the gear ring. Several stirring rods are fixedly connected to the inner side of each connecting plate. A limiting prism is rotatably connected to the middle position of the bottom end of the end cap. A stirring shaft is slidably connected to the limiting prism. Several stirring blades are fixedly connected to the outer side of the stirring shaft. A slide rail is fixedly connected to one side of the bottom end of the end cap. A reciprocating screw is rotatably connected inside the slide rail. A second rotating shaft is fixedly connected to the upper end of the reciprocating screw through the end cap. A power assembly for driving the first rotating shaft, the second rotating shaft, and the limiting prism to rotate is provided on the upper end of the end cap.

[0006] Furthermore, a discharge pipe is fixedly connected to the bottom of the mixing tank, and a second valve is fixedly connected to the discharge pipe.

[0007] Furthermore, a feeding pipe is fixedly connected to one side of the upper end of the end cap, and a first valve is fixedly connected to the feeding pipe.

[0008] Furthermore, a mounting bracket is slidably connected to the slide rail, the mounting bracket is engaged with a reciprocating lead screw, and the stirring shaft is rotatably connected to the mounting bracket.

[0009] Furthermore, the power assembly includes a dual-axis motor fixedly connected to the end cap, the lower side of the output end of the dual-axis motor is fixedly connected to the upper end of the limiting prism, and a first sprocket and a second sprocket are fixedly connected to the upper side of the output end of the dual-axis motor.

[0010] Furthermore, a third sprocket is fixedly connected to the upper end of the first rotating shaft, and a fourth sprocket is fixedly connected to the upper end of the second rotating shaft. The second sprocket and the third sprocket are driven by a first chain, and the first sprocket and the fourth sprocket are driven by a second chain.

[0011] The beneficial effects of this utility model are:

[0012] In use, this invention relates to a reaction vessel for producing raw pharmaceutical materials. A power assembly drives a first rotating shaft, a second rotating shaft, and a limiting prism to rotate. The rotation of the limiting prism drives the stirring shaft, which in turn drives multiple stirring blades to stir the raw pharmaceutical materials. The rotation of the first rotating shaft drives a gear, which in turn drives a connecting plate on a gear ring, which in turn drives multiple stirring rods to rotate. The rotation direction of the stirring rods is opposite to the stirring direction of the stirring blades. The rotation of the second rotating shaft drives a reciprocating screw, which in turn drives the mounting frame to move up and down. This, in turn, drives the stirring shaft to move up and down while rotating, thereby improving stirring efficiency and uniformity. Attached Figure Description

[0013] To more clearly illustrate the technical solution of this utility model, the drawings used in the description of the specific embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 : Front view of this utility model;

[0015] Figure 2 : Bottom view of this utility model;

[0016] Figure 3 : Schematic diagram of the internal structure of the mixing tank of this utility model;

[0017] Figure 4 : Schematic diagram of the internal structure of the end cap of this utility model;

[0018] Figure 5 : Schematic diagram of the limiting prism installation structure of this utility model;

[0019] Figure 6 : Schematic diagram of the stirring blade installation structure of this utility model.

[0020] The attached figures are labeled as follows:

[0021] 1. Mixing tank; 2. Support feet; 3. End cap; 4. Dual-shaft motor; 5. First sprocket; 6. Second sprocket; 7. First shaft; 8. Third sprocket; 9. First chain; 10. Second shaft; 11. Fourth sprocket; 12. Second chain; 13. Feed pipe; 14. First valve; 15. Discharge pipe; 16. Second valve; 17. Inner liner; 18. Spiral heating element; 19. Gear; 20. Limiting ring; 21. Gear ring; 22. Connecting plate; 23. Mixing rod; 24. Slide rail; 25. Mounting bracket; 26. Mixing shaft; 27. Mixing blade; 28. Limiting prism; 29. ​​Reciprocating screw. Detailed Implementation

[0022] 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 skilled in the art without creative effort are within the protection scope of the present utility model.

[0023] like Figure 1-6 As shown, a reaction vessel for producing raw pharmaceutical materials is disclosed, comprising a stirring tank 1, with several supporting feet 2 fixedly connected to the bottom of the stirring tank 1, an end cover 3 fixedly connected to the top of the stirring tank 1, an inner liner 17 fixedly connected inside the stirring tank 1, a spiral heating tube 18 disposed between the stirring tank 1 and the inner liner 17, a first rotating shaft 7 rotatably connected to one side of the upper end of the end cover 3, a gear 19 fixedly connected to the bottom end of the first rotating shaft 7 through the end cover 3, a limit ring 20 fixedly connected to the outer ring of the bottom end of the end cover 3, a toothed ring 21 rotatably connected inside the limit ring 20, the gear 19 meshing with the toothed ring 21, and the bottom of the toothed ring 21... Both sides of the end cap 3 are fixedly connected to a connecting plate 22, and several stirring rods 23 are fixedly connected to the inner side of the connecting plate 22. A limiting prism 28 is rotatably connected to the middle position of the bottom end of the end cap 3. A stirring shaft 26 is slidably connected to the limiting prism 28. Several stirring blades 27 are fixedly connected to the outer side of the stirring shaft 26. A slide rail 24 is fixedly connected to one side of the bottom end of the end cap 3. A reciprocating screw 29 is rotatably connected inside the slide rail 24. The upper end of the reciprocating screw 29 passes through the end cap 3 and is fixedly connected to a second rotating shaft 10. A power assembly for driving the first rotating shaft 7, the second rotating shaft 10 and the limiting prism 28 to rotate is provided on the upper end of the end cap 3.

[0024] As shown in the figure, a discharge pipe 15 is fixedly connected to the bottom of the mixing tank 1, and a second valve 16 is fixedly connected to the discharge pipe 15. A feeding pipe 13 is fixedly connected to one side of the upper end of the end cap 3, and a first valve 14 is fixedly connected to the feeding pipe 13. Opening the first valve 14 allows the raw material drug to be injected into the mixing tank 1 through the feeding pipe 13. After the mixing is completed, opening the second valve 16 allows the raw material drug to be discharged through the discharge pipe 15.

[0025] As shown in the figure, a mounting bracket 25 is slidably connected to the slide rail 24. The mounting bracket 25 is meshed with the reciprocating screw 29. The stirring shaft 26 is rotatably connected to the mounting bracket 25. The rotation of the second rotating shaft 10 can drive the reciprocating screw 29 to rotate, thereby driving the mounting bracket 25 to move up and down along the slide rail 24, which in turn can drive the stirring shaft 26 to move up and down while rotating.

[0026] As shown in the figure, the power assembly includes a dual-axis motor 4 fixedly connected to the end cover 3. The lower side of the output end of the dual-axis motor 4 is fixedly connected to the upper end of the limiting prism 28. A first sprocket 5 and a second sprocket 6 are fixedly connected to the upper side of the output end of the dual-axis motor 4. A third sprocket 8 is fixedly connected to the upper end of the first rotating shaft 7. A fourth sprocket 11 is fixedly connected to the upper end of the second rotating shaft 10. The second sprocket 6 and the third sprocket 8 are driven by a first chain 9. The first sprocket 5 and the fourth sprocket 11 are driven by a second chain 12. The dual-axis motor 4 can drive the limiting prism 28 to rotate. The dual-axis motor 4 drives the first sprocket 5 and the second sprocket 6 to rotate. Through the transmission of the first chain 9, the second chain 12, the third sprocket 8 and the fourth sprocket 11, the first rotating shaft 7 and the second rotating shaft 10 can be driven to rotate.

[0027] Working principle: During use, opening the first valve 14 allows the raw drug to be injected into the mixing tank 1 through the feeding pipe 13. The spiral heating pipe 18 heats the inner tank 17, thereby heating the raw drug. The power assembly drives the first rotating shaft 7, the second rotating shaft 10, and the limiting prism 28 to rotate. Specifically, the dual-shaft motor 4 drives the limiting prism 28 to rotate, and the dual-shaft motor 4 drives the first sprocket 5 and the second sprocket 6 to rotate. Through the transmission of the first chain 9, the second chain 12, the third sprocket 8, and the fourth sprocket 11, the first rotating shaft 7 and the second rotating shaft 10 can be driven to rotate. The rotation of the limiting prism 28 drives the mixing shaft 26. The rotation of the first rotating shaft 7 drives multiple stirring blades 27 to stir the raw material drug. The rotation of the first rotating shaft 7 drives the gear 19 to rotate, which in turn drives the connecting plate 22 on the gear ring 21 to rotate, which in turn drives multiple stirring rods 23 to rotate. The rotation direction of the stirring rods 23 is opposite to the stirring direction of the stirring blades 27. The rotation of the second rotating shaft 10 drives the reciprocating screw 29 to rotate, which in turn drives the mounting frame 25 to move up and down along the slide rail 24, which in turn drives the stirring shaft 26 to move up and down while rotating, thereby improving the stirring efficiency and uniformity. After the stirring is completed, the second valve 16 is opened to discharge the raw material drug through the discharge pipe 15.

[0028] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to any specific implementation. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A reaction vessel for producing raw pharmaceutical materials, comprising a stirred tank (1), characterized in that: The bottom of the mixing tank (1) is fixedly connected with several supporting feet (2), and the top of the mixing tank (1) is fixedly connected with an end cap (3). The inner liner (17) is fixedly connected inside the mixing tank (1). A spiral heating tube (18) is provided between the mixing tank (1) and the inner liner (17). A first rotating shaft (7) is rotatably connected to one side of the top of the end cap (3). A gear (19) is fixedly connected through the bottom of the first rotating shaft (7) through the end cap (3). A limit ring (20) is fixedly connected to the outer ring at the bottom of the end cap (3). A toothed ring (21) is rotatably connected inside the limit ring (20). The gear (19) meshes with the toothed ring (21). Both sides of the bottom of the toothed ring (21) are fixedly connected with... A connecting plate (22) is fixedly connected to a number of stirring rods (23) on its inner side. A limiting prism (28) is rotatably connected to the middle position of the bottom end of the end cover (3). A stirring shaft (26) is slidably connected to the limiting prism (28). A number of stirring blades (27) are fixedly connected to the outer side of the stirring shaft (26). A slide rail (24) is fixedly connected to one side of the bottom end of the end cover (3). A reciprocating screw (29) is rotatably connected inside the slide rail (24). A second rotating shaft (10) is fixedly connected to the upper end of the reciprocating screw (29) through the end cover (3). A power assembly for driving the first rotating shaft (7), the second rotating shaft (10) and the limiting prism (28) to rotate is provided on the upper end of the end cover (3).

2. The reaction vessel for producing raw pharmaceutical materials according to claim 1, characterized in that: The bottom of the mixing tank (1) is fixedly connected to a discharge pipe (15), and a second valve (16) is fixedly connected to the discharge pipe (15).

3. The reaction vessel for producing raw pharmaceutical materials according to claim 1, characterized in that: A feeding pipe (13) is fixedly connected to one side of the upper end of the end cap (3), and a first valve (14) is fixedly connected to the feeding pipe (13).

4. The reaction vessel for producing raw pharmaceutical materials according to claim 1, characterized in that: A mounting bracket (25) is slidably connected to the slide rail (24), the mounting bracket (25) is meshed with the reciprocating screw (29), and the stirring shaft (26) is rotatably connected to the mounting bracket (25).

5. The reaction vessel for producing raw pharmaceutical materials according to claim 1, characterized in that: The power assembly includes a dual-axis motor (4) fixedly connected to the end cap (3). The lower side of the output end of the dual-axis motor (4) is fixedly connected to the upper end of the limiting prism (28). A first sprocket (5) and a second sprocket (6) are fixedly connected to the upper side of the output end of the dual-axis motor (4).

6. The reaction vessel for producing raw pharmaceutical materials according to claim 5, characterized in that: The upper end of the first shaft (7) is fixedly connected to the third sprocket (8), and the upper end of the second shaft (10) is fixedly connected to the fourth sprocket (11). The second sprocket (6) and the third sprocket (8) are driven by the first chain (9), and the first sprocket (5) and the fourth sprocket (11) are driven by the second chain (12).