Impurity removal device for chemical synthetic raw material medicines

By designing a multi-layer gear assembly driven by a motor to move the cleaning roller and stirring rod, the system removes tiny particles or sticky impurities from chemically synthesized raw materials, solving the problem of easy clogging of the filter screen and improving filtration efficiency.

CN224024423UActive Publication Date: 2026-03-24BEIJING SAIER BIOLOGICAL PHARM CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-14
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Existing technologies are insufficient to effectively remove tiny particles or sticky impurities from chemically synthesized pharmaceutical raw materials, leading to easy clogging of the filter screen and affecting filtration efficiency.

Method used

A device for removing impurities from chemically synthesized raw materials was designed. A multi-layer gear assembly driven by a motor drives a cleaning roller and a stirring rod, enabling the cleaning roller to rotate on its own axis and around the axis of rotation, thus cleaning impurities on the inner wall of the mixing tank and the filter screen. At the same time, the stirring rod stirs in multiple directions, washing away impurities attached to the surface of the raw material particles.

Benefits of technology

It effectively prevents filter clogging, improves impurity removal, and enhances filtration efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224024423U_ABST
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Abstract

The utility model is applicable to the technical field of production of chemical pharmacy, and provides a chemical synthetic bulk drug impurity removal device which comprises a bottom plate, a stirring tank is fixedly arranged at the upper end of the bottom plate, a supporting frame is fixedly connected to the bottom plate, and a motor is fixedly arranged at the upper end of a top plate of the supporting frame. A second rotating shaft is fixedly connected to the driving end of the motor, a bearing plate is fixedly connected to the lower end of the second rotating shaft, a cleaning assembly is arranged on the bearing plate in a matched mode, a third rotating shaft is rotatably connected to the bearing plate, and a plurality of evenly-distributed stirring rods are fixedly connected to the third rotating shaft; a supporting ring is fixedly connected to the bottom end of a top plate of the supporting frame, a bearing ring is fixedly connected to the lower end of the supporting ring, and a thrust assembly is arranged between the bearing ring and the third rotating shaft in a matched mode. The stirring tank has the advantages that raw materials adhered to the inner wall of the stirring tank can be cleaned, impurities on the filter screen on the clamping plate can be cleaned, the filter screen is effectively prevented from being blocked, and the impurity removal effect is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the production technical field of chemical pharmacy especially relates to a chemical synthesis kind of raw material medicine impurity removal device. BACKGROUND

[0002] In the production process of chemical synthesis kind of raw material medicine, the purity of raw material medicine is crucial to its drug efficacy and safety. However, due to the limitation of raw materials, reaction conditions and production process, various impurities are often mixed in the raw material medicine, which may affect the efficacy and safety of the drug.

[0003] As a traditional and commonly used impurity removal method, filtration mainly traps impurities in the raw material medicine through a filter screen. However, when the raw material medicine contains a large number of small particles or sticky impurities, these impurities tend to adhere to the surface of the raw material medicine particles or stick to each other, and the filter screen may not be able to effectively remove them, which may also cause the filter screen to be blocked, affecting the filtration efficiency.

[0004] Therefore, in view of the above status, it is urgent to develop a chemical synthesis kind of raw material medicine impurity removal device to overcome the shortcomings in current practical applications. UTILITY MODEL CONTENT

[0005] The purpose of the utility model embodiment is to provide a chemical synthesis kind of raw material medicine impurity removal device to solve the problems raised in the above background technology.

[0006] To achieve the above purpose, the utility model provides the following technical scheme:

[0007] A chemical synthesis kind of raw material medicine impurity removal device, comprising a bottom plate, a stirring tank is fixedly arranged on the upper end of the bottom plate, a clamping groove is formed in the inner wall of the stirring tank, a clamping plate is clamped in the clamping groove, a filter screen is fixedly arranged on the clamping plate, a liquid discharge pipe is fixedly connected to the outer wall of the stirring tank, and the liquid discharge pipe is in communication with the stirring tank through the clamping plate, and a valve is cooperatively arranged on the liquid discharge pipe; a support frame is fixedly connected to the bottom plate, a motor is fixedly arranged on the top plate of the support frame, a second rotating shaft is fixedly connected to the driving end of the motor, a receiving plate is fixedly connected to the lower end of the second rotating shaft, a cleaning assembly is cooperatively arranged on the receiving plate, a third rotating shaft is rotatably connected to the receiving plate, a plurality of evenly distributed stirring rods are fixedly connected to the third rotating shaft, a support ring is fixedly connected to the bottom end of the support frame top plate, a receiving ring is fixedly connected to the lower end of the support ring, a thrust assembly is cooperatively arranged between the receiving ring and the third rotating shaft, and the thrust assembly and the receiving plate are cooperatively arranged to drive the third rotating shaft to rotate around the second rotating shaft while rotating around the second rotating shaft.

[0008] Further technical solutions, the clamping plate is arc-shaped, and the arc radius of the clamping plate is equal to the inner wall radius of the stirring tank.

[0009] Further technical solutions, the third rotating shaft and the stirring rod are an integral structure.

[0010] Further technical solutions, the cleaning assembly comprises a first gear and a first rotating shaft; the first rotating shaft is rotationally connected to the receiving plate, a cleaning rod is fixedly sleeved to the outer wall of the lower end of the first rotating shaft, and the cleaning rod abuts against the inner wall of the stirring tank.

[0011] Further technical solutions, the first rotating shaft is fixedly connected to the upper end of the first gear, the receiving ring is provided with a gear slot in the outer wall, and the first gear is meshingly connected with the gear slot.

[0012] Further technical solutions, the thrust assembly comprises a second gear, a base and a third gear; the base is fixedly connected to the receiving plate, the third gear is fixedly connected to the upper end of the third rotating shaft and penetrates through the base, the second gear is fixedly connected to the lower end of the receiving ring, and the second gear is meshingly connected with the third gear.

[0013] In summary, the embodiments of the present application have the following beneficial effects compared with the prior art:

[0014] 1. The motor drives the receiving plate to rotate around the second rotating shaft through the second rotating shaft, the receiving plate drives the first rotating shaft to rotate around the second rotating shaft, the gear slot drives the first rotating shaft to rotate through the first gear, so that the cleaning rod is driven to rotate around the second rotating shaft as well as to rotate by itself through the first rotating shaft, the adhered raw materials on the inner wall of the stirring tank can be cleaned, and the impurities on the filter screen of the clamping plate can be cleaned, thereby effectively preventing the filter screen from being blocked.

[0015] 2. The third rotating shaft is driven to rotate around the second rotating shaft through the receiving plate, the second gear synchronously drives the third gear to rotate, then the third gear drives the third rotating shaft to rotate, and subsequently the third rotating shaft drives the stirring rod to rotate around the third rotating shaft while rotating around the second rotating shaft, so that the impurities attached to the surface of the raw medicine particles are washed down in multiple directions, thereby reducing the risk of blocking the filter screen and improving the removal effect of impurities.

[0016] In order to more clearly illustrate the structural features and effects of the present application, the present application will be described in detail below in combination with the drawings and specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a perspective structural schematic view of the present application;

[0018] Figure 2 is another perspective structural schematic view of the present application;

[0019] Figure 3 is a sectional perspective structural schematic view of the present application;

[0020] Figure 4 For the utility model Figure 3 The enlarged structural schematic view of A in the middle;

[0021] Figure 5 For the utility model, the schematic view of the three-dimensional structure of the clamping plate.

[0022] In the figure: 1, bottom plate; 2, support frame; 3, support ring; 4, receiving ring; 5, cleaning assembly; 51, tooth groove; 52, first rotating shaft; 53, first gear; 54, cleaning stick; 6, liquid discharge pipe; 7, valve; 8, clamping groove; 9, clamping plate; 10, motor; 11, second rotating shaft; 12, receiving plate; 13, third rotating shaft; 14, stirring rod; 15, thrust assembly; 151, base; 152, second gear; 153, third gear; 16, stirring tank. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and not to limit the utility model.

[0024] The specific implementation of the utility model is described in detail in combination with specific examples.

[0025] The utility model embodiment provides a kind of chemical synthesis class raw material medicine impurity removal device, including bottom plate 1, the bottom plate 1 upper end is fixedly arranged with stirring tank 16, the inner wall of the stirring tank 16 is opened with clamping groove 8, the clamping groove 8 is clamped with clamping plate 9, and the clamping plate 9 is fixedly connected with the inner wall of clamping groove 8 by screw, the clamping plate 9 is fixedly arranged with filter screen (not drawn in the figure), the stirring tank 16 outer wall is fixedly connected with liquid discharge pipe 6, and the liquid discharge pipe 6 is communicated with stirring tank 16 by clamping plate 9, and valve 7 is cooperatively arranged on the liquid discharge pipe 6;The bottom plate 1 is fixedly connected with support frame 2, the support frame 2 top plate upper end is fixedly arranged with motor 10, the motor 10 drive end is fixedly connected with second rotating shaft 11, the second rotating shaft 11 lower end is fixedly connected with receiving plate 12, the receiving plate 12 is cooperatively arranged with cleaning assembly 5, the receiving plate 12 is rotatably connected with third rotating shaft 13, the third rotating shaft 13 is fixedly connected with multiple evenly distributed stirring rods 14, the support frame 2 top plate bottom end is fixedly connected with support ring 3, the support ring 3 lower end is fixedly connected with receiving ring 4, and the support ring 3 and receiving ring 4 are all set on the outside of second rotating shaft 11, thrust assembly 15 is cooperatively arranged between receiving ring 4 and third rotating shaft 13, and third rotating shaft 13 is driven to rotate around second rotating shaft 11 by the cooperation of thrust assembly 15 and receiving plate 12.

[0026] Furthermore, the card plate 9 is arc-shaped, and the radius of the arc of the card plate 9 is equal to the radius of the inner wall of the mixing tank 16, so that the cleaning component 5 can clean the impurities on the filter screen during rotation.

[0027] Furthermore, the third rotating shaft 13 and the stirring rod 14 are an integral structure.

[0028] like Figure 1 , Figure 3 and Figure 4 As shown, the cleaning component 5 includes a first gear 53 and a first rotating shaft 52; the first rotating shaft 52 is rotatably connected to the receiving plate 12, and a cleaning rod 54 is fixedly sleeved on the lower outer wall of the first rotating shaft 52, and the cleaning rod 54 abuts against the inner wall of the mixing tank 16.

[0029] Furthermore, a first gear 53 is fixedly connected to the upper end of the first rotating shaft 52, and a toothed groove 51 is provided on the outer wall of the receiving ring 4, and the first gear 53 is meshed with the toothed groove 51.

[0030] In a specific application, the motor 10 drives the receiving plate 12 to rotate around the second rotating shaft 11 via the second rotating shaft 11. Then, the receiving plate 12 drives the first rotating shaft 52 to rotate around the second rotating shaft 11. After that, the first rotating shaft 52 drives the cleaning roller 54 to rotate around the second rotating shaft 11. Simultaneously, the first rotating shaft 52 drives the first gear 53 to rotate around the second rotating shaft 11. Then, the tooth groove 51 drives the first gear 53 to rotate. Subsequently, the first gear 53 drives the first rotating shaft 52 to rotate. Then, the first rotating shaft 52 drives the cleaning roller 54 to rotate around the axis of the first rotating shaft 52, thereby causing the cleaning roller 54 to both rotate on its own axis and rotate around the second rotating shaft 11.

[0031] like Figure 3 and Figure 4 As shown, the thrust assembly 15 includes a second gear 152, a base 151, and a third gear 153; the base 151 is fixedly connected to the receiving plate 12, and the third gear 153 is fixedly connected to the upper end of the third rotating shaft 13 through the base 151; the second gear 152 is fixedly connected to the lower end of the receiving ring 4, and the second gear 152 and the third gear 153 are meshed together.

[0032] Specifically, the motor 10 drives the receiving plate 12 to rotate around the second rotating shaft 11 via the second rotating shaft 11. Then the receiving plate 12 drives the third rotating shaft 13 to rotate around the second rotating shaft 11. The second gear 152 synchronously drives the third gear 153 to rotate. Then the third gear 153 drives the third rotating shaft 13 to rotate. Subsequently, the third rotating shaft 13 drives the stirring rod 14 to rotate around the third rotating shaft 13 while rotating around the second rotating shaft 11.

[0033] In this embodiment of the invention, the motor 10 drives the receiving plate 12 to rotate around the second rotating shaft 11 via the second rotating shaft 11. The receiving plate 12 drives the first rotating shaft 52 to rotate around the second rotating shaft 11. The toothed groove 51 drives the first rotating shaft 52 to rotate via the first gear 53. Thus, the first rotating shaft 52 drives the cleaning roller 54 to rotate both on its own axis and around the second rotating shaft 11, which can clean the raw materials adhering to the inner wall of the mixing tank 16 and the impurities on the filter screen of the card plate 9, thereby effectively preventing the filter screen from clogging. The receiving plate 12 drives the third rotating shaft 13 to rotate around the second rotating shaft 11. The second gear 152 drives the third gear 153 to rotate synchronously. Then, the third gear 153 drives the third rotating shaft 13 to rotate. Subsequently, the third rotating shaft 13 drives the stirring rod 14 to rotate around the third rotating shaft 13 and around the second rotating shaft 11 at the same time. This multi-directional stirring helps to wash away the impurities adhering to the surface of the raw material particles, thereby reducing the risk of filter screen clogging and improving the impurity removal effect.

[0034] The working principle of this utility model is as follows: The raw material and solvent are added into the mixing tank 16, and then the motor 10 is started. Subsequently, the motor 10 drives the receiving plate 12 to rotate around the second rotating shaft 11 through the second rotating shaft 11. The receiving plate 12 drives the first rotating shaft 52 to rotate around the second rotating shaft 11. The toothed groove 51 drives the first rotating shaft 52 to rotate through the first gear 53. Thus, the first rotating shaft 52 drives the cleaning roller 54 to rotate both on its own axis and around the second rotating shaft 11. During this process, the cleaning roller 54 cleans the impurities on the filter screen on the card plate 9 and can also clean the raw material adhering to the inner wall of the mixing tank 16. The receiving plate 12 simultaneously drives the third rotating shaft 13 to rotate around the second rotating shaft 11. The second gear 152 simultaneously drives the third gear 153 to rotate. Then, the third gear 153 drives the third rotating shaft 13 to rotate. Subsequently, the third rotating shaft 13 drives the stirring rod 14 to rotate around the third rotating shaft 13 while simultaneously rotating around the second rotating shaft 11.

[0035] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A device for removing impurities from chemically synthesized pharmaceutical raw materials, comprising a base plate (1), characterized in that, A mixing tank (16) is fixedly installed on the upper end of the base plate (1). A slot (8) is provided on the inner wall of the mixing tank (16). A retaining plate (9) is engaged in the slot (8). A filter screen is fixedly installed on the retaining plate (9). A drain pipe (6) is fixedly connected to the outer wall of the mixing tank (16). The drain pipe (6) is connected to the mixing tank (16) through the retaining plate (9). A valve (7) is fitted on the drain pipe (6). A support frame (2) is fixedly connected to the base plate (1). A motor (10) is fixedly installed on the upper end of the top plate of the support frame (2). A second rotating shaft (11) is fixedly connected to the drive end of the motor (10). The lower end of the support frame (2) is fixedly connected to a receiving plate (12), and a cleaning component (5) is provided on the receiving plate (12). A third rotating shaft (13) is rotatably connected to the receiving plate (12), and multiple evenly distributed stirring rods (14) are fixedly connected to the third rotating shaft (13). A support ring (3) is fixedly connected to the bottom end of the top plate of the support frame (2), and a receiving ring (4) is fixedly connected to the lower end of the support ring (3). A thrust component (15) is provided between the receiving ring (4) and the third rotating shaft (13). The third rotating shaft (13) is driven to rotate by the thrust component (15) and the receiving plate (12) while rotating around the second rotating shaft (11).

2. The impurity removal device for chemically synthesized pharmaceutical raw materials according to claim 1, characterized in that, The card plate (9) is arc-shaped, and the radius of the arc of the card plate (9) is equal to the radius of the inner wall of the mixing tank (16).

3. The impurity removal device for chemically synthesized pharmaceutical raw materials according to claim 1, characterized in that, The third rotating shaft (13) and the stirring rod (14) are an integral structure.

4. The impurity removal device for chemically synthesized pharmaceutical raw materials according to claim 1, characterized in that, The cleaning assembly (5) includes a first gear (53) and a first rotating shaft (52); A first rotating shaft (52) is rotatably connected to the receiving plate (12). A cleaning rod (54) is fixedly sleeved on the outer wall of the lower end of the first rotating shaft (52), and the cleaning rod (54) abuts against the inner wall of the mixing tank (16).

5. The impurity removal device for chemically synthesized pharmaceutical raw materials according to claim 4, characterized in that, The first gear (53) is fixedly connected to the upper end of the first rotating shaft (52), and the outer wall of the receiving ring (4) is provided with a tooth groove (51), and the first gear (53) is meshed with the tooth groove (51).

6. The impurity removal device for chemically synthesized pharmaceutical raw materials according to claim 1, characterized in that, The thrust assembly (15) includes a second gear (152), a base (151), and a third gear (153); A base (151) is fixedly connected to the receiving plate (12), and a third gear (153) is fixedly connected to the upper end of the third rotating shaft (13) through the base (151). A second gear (152) is fixedly connected to the lower end of the receiving ring (4), and the second gear (152) meshes with the third gear (153).