Extraction device for medicament preparation

Abstract

The extraction device comprises a base, a material mixing tank, an extraction box and a liquid suction device, the material mixing tank is transversely arranged, a supporting mechanism is arranged on the material mixing tank, a stirring mechanism is arranged in the material mixing tank, a driving mechanism is arranged at the lower end of the material mixing tank, and the liquid suction device is arranged on the lower end of the material mixing tank. A feeding pipe communicated with the interior of the mixing tank is fixedly inserted into the upper end of the mixing tank, the upper end of the feeding pipe is sleeved with a sealing cover, the sealing cover is in threaded connection with the feeding pipe, and a groove is formed in the end, close to the extraction box, of the mixing tank; a plurality of first liquid guide pipes communicated with the interior of the mixing tank are fixedly inserted into the inner wall of the groove and close to the edge, and the first liquid guide pipes are annularly distributed. The extraction device for medicament preparation is improved and optimized on the basis of an extraction device for medicament preparation, so that the stirring mechanism and the mixing tank can perform rotary mixing operation at the same time, raw materials and an extraction agent are completely mixed, and the mixing uniformity is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of medicine preparation, in particular to an extraction device for medicine preparation. Background Art

[0002] Extraction, also known as solvent extraction or liquid-liquid extraction, is a unit operation that uses the different solubility of components in the system in the solvent to separate the mixture. It is a method of transferring the solute from one solvent to another by using the difference in solubility or distribution coefficient of the substance in two immiscible (or slightly soluble) solvents. It is widely used in chemical, metallurgical, food and other industries, and is commonly used in the petroleum refining industry.

[0003] The existing utility model patent with application number: CN202022763399.2 proposes an extraction device for preparing a medicine, comprising a bottom plate, a mixing box and an extraction box are fixedly connected to the top of the bottom plate, a control panel is fixedly connected to the left wall of the mixing box, a feed port and a fixed box are fixedly connected to the top of the mixing box, and a plurality of fixed rods are fixedly connected inside the fixed box...;

[0004] Although the application can fully mix the raw material and the extractant together, which can effectively improve the quality of subsequent extraction, and the extraction device can heat the internal mixed liquid, the heating can accelerate the separation of the mixed liquid and effectively improve the extraction efficiency; however, only relying on the agitator to stir the raw material and the extractant, part of the raw material is precipitated at the bottom of the mixing box and is not easily affected by the stirring and mixed with the extractant, resulting in uneven mixing. Utility Model Content

[0005] The utility model aims to solve the problem that only a stirrer is used to stir the raw materials and the extractant, and part of the raw materials are precipitated at the inner bottom of the mixing box and are not easily affected by the stirring and mixed with the extractant, thus causing uneven mixing. An extraction device for preparing pharmaceutical agents is proposed.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] The invention relates to an extraction device for preparing a medicament, comprising a base and a mixing tank, an extraction box and a liquid pipette, wherein the mixing tank is arranged horizontally, a supporting mechanism is arranged on the mixing tank, a stirring mechanism is arranged in the mixing tank, a driving mechanism is arranged at the lower end of the mixing tank, a feeding pipe communicating with the interior of the mixing tank is fixedly inserted at the upper end of the mixing tank, a sealing cover is sleeved on the upper end of the feeding pipe, the sealing cover and the feeding pipe are threadedly connected, a groove is arranged at one end of the mixing tank close to the extraction box, a first liquid guide tube communicating with the interior of the mixing tank is fixedly inserted at the inner wall of the groove and close to the edge, the number of the first liquid guide tubes is a plurality of annularly distributed, a sealing disk corresponding to the groove is fixedly connected to one end of the mixing tank close to the extraction box, a second liquid guide tube is inserted at a side of the sealing disk away from the mixing tank, the second liquid guide tube is rotatably connected to the sealing disk, one end of the second liquid guide tube penetrates the sealing disk and extends into the groove, and the end of the second liquid guide tube away from the sealing disk is fixedly connected to a third liquid guide tube.

[0008] Preferably, the support mechanism comprises two first support rings sleeved on the mixing tank, the first support rings are rotatably connected to the mixing tank, and the lower end of the first support ring is fixedly connected to the upper end of the base.

[0009] Preferably, the stirring mechanism includes a rotating rod transversely arranged in a mixing tank, a plurality of transversely arranged stirring plates are distributed in a ring shape in the mixing tank, a plurality of stirring rods are fixedly connected between the stirring plates and the rotating rod, a first servo motor is fixedly connected to one end of the mixing tank away from the extraction box, one end of the rotating rod passes through the mixing tank and is fixedly connected to the end of the output shaft of the first servo motor, and the rotating rod and the mixing tank are rotatably connected.

[0010] Preferably, the driving mechanism includes a mounting groove arranged at the upper end of the base, a second servo motor is fixedly connected to the inner bottom of the mounting groove, a gear is fixedly connected to the end of the output shaft of the second servo motor, parts of the second servo motor and the gear both penetrate the mounting groove upward, and an annular rack meshing with the gear is fixedly connected to the outer wall of the mixing tank.

[0011] Preferably, a second support ring is rotatably sleeved on the second liquid guiding tube, and one side of the second support ring is fixedly connected to the sealing disk.

[0012] Preferably, a plurality of rubber pads are fixedly connected to the lower end of the base.

[0013] Beneficial effects:

[0014] 1. Through the arrangement of the first servo motor, the rotating rod, the stirring rod and the stirring plate, the raw materials and the extractant in the mixing tank are stirred and mixed, so as to avoid the problem that the raw materials are precipitated at the bottom and the mixing effect is reduced, and the uniformity after mixing is improved;

[0015] 2. The second servo motor, gear, annular rack and support ring are arranged to realize the rotation of the mixing tank, so that the raw materials inside it roll over, further avoiding the problem of the raw materials settling at the bottom and causing the mixing effect to decrease, and improving the uniformity after mixing;

[0016] 3. Through the arrangement of the first liquid conduit, the groove, the second liquid conduit, the third liquid conduit and the liquid pipette, the mixed liquid can be automatically pumped into the extraction box, thereby improving convenience; the utility model is improved and optimized on the basis of the extraction device for preparation of medicaments, and realizes the simultaneous rotation and mixing operation of the stirring mechanism and the mixing tank, so that the raw materials and the extractant are completely mixed and the mixing uniformity is guaranteed. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of an extraction device for preparing a medicine proposed by the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the extraction device for preparing a medicament proposed in the utility model at position A;

[0019] Figure 3 The utility model provides a schematic diagram of the side section structure of a mixing tank of an extraction device for preparing a medicine.

[0020] In the figure: 1-base, 2-mixing tank, 3-extraction box, 4-gear, 5-second servo motor, 6-first support ring, 7-first servo motor, 8-stirring rod, 9-stirring plate, 10-annular rack, 11-third liquid guide tube, 12-second liquid guide tube, 13-second support ring, 14-sealing disk, 15-first liquid guide tube. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] Reference Figure 1-3 , an extraction device for preparing a drug, comprising a base 1, a mixing tank 2, an extraction box 3 and a liquid pipette, wherein a plurality of rubber pads are fixedly connected to the lower end of the base 1 to increase the friction between the base 1 and the ground and enhance stability, the extraction box 3 is fixed to the upper end of the base 1, and the liquid pipette is fixed to the upper end of the extraction box 3, and the liquid pipette cooperates with the third liquid pipette 11, the second liquid pipette 12 and the first liquid pipette 15 to perform liquid pipetting operation, and the liquid pipette has been disclosed in the comparative document and will not be described in detail here;

[0023] In this embodiment, the mixing tank 2 is arranged horizontally, and a supporting mechanism is provided on the mixing tank 2. The supporting mechanism includes two first supporting rings 6 sleeved on the mixing tank 2, which are used to support the mixing tank 2 and prevent the mixing tank 2 from tipping over. The first supporting rings 6 are rotatably connected to the mixing tank 2, and the lower end of the first supporting ring 6 is fixedly connected to the upper end of the base 1.

[0024] In this embodiment, a stirring mechanism is provided in the mixing tank 2, and the stirring mechanism includes a rotating rod transversely arranged in the mixing tank 2, which is used to drive the stirring rod 8 to rotate. A plurality of transversely arranged stirring plates 9 are distributed in an annular shape in the mixing tank 2, which are used to stir and mix the raw materials. A plurality of stirring rods 8 are fixedly connected between the stirring plates 9 and the rotating rod, which are used to stir and mix the raw materials. A first servo motor 7 is fixedly connected to one end of the mixing tank 2 away from the extraction box 3, one end of the rotating rod passes through the mixing tank 2 and is fixedly connected to the end of the output shaft of the first servo motor 7, and the rotating rod is rotatably connected to the mixing tank 2;

[0025] In this embodiment, a driving mechanism is provided at the lower end of the mixing tank 2, and the driving mechanism includes a mounting groove arranged at the upper end of the base 1, and a second servo motor 5 is fixedly connected to the inner bottom of the mounting groove, which drives the gear 4 to rotate, and the end of the output shaft of the second servo motor 5 is fixedly connected to the gear 4, which is used to drive the annular rack 10 to rotate, and the second servo motor 5 and the gear 4 are both upwardly penetrated through the mounting groove, and the outer wall of the mixing tank 2 is fixedly connected to the annular rack 10 meshing with the gear 4, which is used to drive the mixing tank 2 to rotate;

[0026] In this embodiment, a feeding pipe communicating with the interior of the mixing tank 2 is fixedly inserted at the upper end thereof, which is used for facilitating the user to feed raw materials and extractants into the mixing tank 2. A sealing cover is sleeved on the upper end of the feeding pipe for sealing the feeding pipe. The sealing cover and the feeding pipe are threadedly connected. A groove is provided at one end of the mixing tank 2 close to the extraction box 3. A first liquid guide tube 15 communicating with the interior of the mixing tank 2 is fixedly inserted at the inner wall of the groove and close to the edge thereof, which is used for conveying the mixed liquid after the raw materials and the extractant are mixed. The number of the first liquid guide tubes 15 is a plurality of annularly distributed ones.

[0027] In this embodiment, a sealing disk 14 corresponding to the groove is fixedly connected to one end of the mixing tank 2 close to the extraction box 3, which is used to seal the groove. A second liquid guide tube 12 is inserted on the side of the sealing disk 14 away from the mixing tank 2, which is used to transport the mixed liquid after the raw material and the extractant are mixed. The second liquid guide tube 12 and the sealing disk 14 are rotatably connected. One end of the second liquid guide tube 12 passes through the sealing disk 14 and extends into the groove. A second support ring 13 is rotatably sleeved on the second liquid guide tube 12, which is used to support the second liquid guide tube 12. One side of the second support ring 13 is fixedly connected to the sealing disk 14. The end of the second liquid guide tube 12 away from the sealing disk 14 is fixedly connected to the third liquid guide tube 11, which is used to transport the mixed liquid after the raw material and the extractant are mixed. The end of the third liquid guide tube 11 away from the second liquid guide tube 12 is fixedly connected to the aspirator;

[0028] In this embodiment, the sealing cover is first manually unscrewed, and the raw material and the extractant are added into the mixing tank 2 through the feeding pipe, and then the sealing cover is covered and tightened. At this time, the first servo motor 7 is started to drive the rotating rod to rotate, and the stirring rod 8 and the stirring plate 9 are driven to rotate by the rotating rod, and the raw material and the extractant are stirred and mixed by the stirring rod 8 and the stirring plate 9. Since the stirring plate 9 is a plurality of ring-shaped arrangements, it can not only stir the raw material in the mixing tank 2, but also repeatedly turn up the raw material at the bottom of the mixing tank 2, so that the raw material and the extractant are completely mixed. At the same time, the second servo motor 5 is started to drive the gear 4 to rotate, and the mixing tank 2 is driven to rotate through the meshing effect of the gear 4 and the annular rack 10, thereby causing the raw material inside to roll, further improving the uniformity of the raw material and the extractant after mixing. Finally, the liquid aspirator is started to absorb the mixed liquid, and the mixed liquid enters the groove through the first liquid guide tube 15, and then enters the extraction box 3 through the second liquid guide tube 12 and the third liquid guide tube 11.

[0029] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An extraction device for preparing a medicine, comprising a base (1), a mixing tank (2), an extraction box (3) and a liquid pipette, characterized in that: The mixing tank (2) is arranged horizontally, a supporting mechanism is provided on the mixing tank (2), a stirring mechanism is provided inside the mixing tank (2), a driving mechanism is provided at the lower end of the mixing tank (2), a feeding pipe communicating with the interior of the mixing tank (2) is fixedly inserted at the upper end of the mixing tank (2), a sealing cover is sleeved at the upper end of the feeding pipe, and the sealing cover and the feeding pipe are threadedly connected, a groove is provided at one end of the mixing tank (2) close to the extraction box (3), a first liquid guide pipe (15) communicating with the interior of the mixing tank (2) is fixedly inserted at the inner wall of the groove and close to the edge thereof, The number of the first liquid guide tubes (15) is a plurality distributed in an annular manner. A sealing disk (14) corresponding to the groove is fixedly connected to one end of the mixing tank (2) close to the extraction box (3). A second liquid guide tube (12) is inserted on the side of the sealing disk (14) away from the mixing tank (2). The second liquid guide tube (12) and the sealing disk (14) are rotatably connected. One end of the second liquid guide tube (12) passes through the sealing disk (14) and extends into the groove. The end of the second liquid guide tube (12) away from the sealing disk (14) is fixedly connected to a third liquid guide tube (11).

2. The extraction device for preparing a drug according to claim 1, characterized in that: The support mechanism comprises two first support rings (6) sleeved on the mixing tank (2), the first support rings (6) and the mixing tank (2) being rotatably connected, and the lower end of the first support ring (6) being fixedly connected to the upper end of the base (1).

3. The extraction device for preparing a drug according to claim 1, characterized in that: The stirring mechanism comprises a rotating rod arranged transversely in a mixing tank (2), a plurality of stirring plates (9) arranged transversely in an annular shape are arranged in the mixing tank (2), a plurality of stirring rods (8) are fixedly connected between the stirring plates (9) and the rotating rod, one end of the mixing tank (2) away from the extraction box (3) is fixedly connected to a first servo motor (7), one end of the rotating rod passes through the mixing tank (2) and is fixedly connected to the end of the output shaft of the first servo motor (7), and the rotating rod is rotatably connected to the mixing tank (2).

4. The extraction device for preparing a drug according to claim 1, characterized in that: The driving mechanism comprises a mounting groove arranged at the upper end of the base (1), a second servo motor (5) is fixedly connected to the inner bottom of the mounting groove, a gear (4) is fixedly connected to the end of the output shaft of the second servo motor (5), parts of the second servo motor (5) and the gear (4) both pass through the mounting groove upwards, and an annular rack (10) meshing with the gear (4) is fixedly connected to the outer wall of the mixing tank (2).

5. The extraction device for preparing a drug according to claim 1, characterized in that: A second support ring (13) is rotatably sleeved on the second liquid guiding tube (12), and one side of the second support ring (13) is fixedly connected to the sealing disk (14).

6. The extraction device for preparing a drug according to claim 1, characterized in that: A plurality of rubber pads are fixedly connected to the lower end of the base (1).

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