CN222368502U

CN222368502U - A solid-liquid separation device for drug analysis

Info

Publication number: CN222368502U
Application number: CN202420309789.8U
Authority: CN
Inventors: 施宪宝; 李洋; 杨景明; 姜华; 赵榛榛
Original assignee: The First Affiliated Hospital of Jinzhou Medical University
Current assignee: The First Affiliated Hospital of Jinzhou Medical University
Priority date: 2024-02-20
Filing date: 2024-02-20
Publication date: 2025-01-21
Anticipated expiration: 2034-02-20

Abstract

The utility model belongs to the technical field of solid-liquid separation, and provides a solid-liquid separation device for drug analysis, which comprises a frame, a separation barrel, a liquid storage tank, a negative pressure machine, and a negative pressure machine, wherein an extrusion part is arranged at the top of the frame and corresponds to the inside of the separation barrel through an opening at the top of the separation barrel, the bottom of the separation barrel is provided with the separation funnel, the large-diameter end of the separation funnel is matched with the opening at the bottom of the separation barrel, a filter plate is arranged in the separation funnel, two groups of fixing frames are fixedly connected to the side wall of the separation barrel, a bottom opening and closing part is arranged between the two groups of fixing frames and the separation funnel, the liquid storage tank is fixedly connected to the bottom of the frame, the top of the liquid storage tank is communicated with the small-diameter end of the separation funnel, and the negative pressure machine is fixedly connected to the frame and is communicated with the inside of the liquid storage tank. The utility model can thoroughly separate the solid from the liquid, and is convenient for taking out the residual solid medicine after the solid-liquid separation is finished.

Description

Solid-liquid separation device for medicine analysis

Technical Field

The utility model belongs to the technical field of solid-liquid separation, and particularly relates to a solid-liquid separation device for drug analysis.

Background

Along with the development of science and technology, the development of the pharmaceutical industry has driven the rise of a plurality of pharmaceutical modes, one of which is to separate solid and liquid in the medicine, and one of the main functions of solid-liquid separation is to analyze the separated medicine for detecting the components of the medicine.

The traditional solid-liquid separation device for medicine analysis usually only utilizes a sieve plate to leak liquid, and solids are left on a filter screen to achieve the purpose of solid-liquid separation, the method for solid-liquid separation can not thoroughly separate the medicine completely, and after the solid-liquid separation is finished, the liquid can be collected intensively, and the solid medicine in a container is difficult to take out due to being positioned at the bottom of the container, and a large amount of medicine residues are easily left in the container, so that a great amount of time and force are wasted in the process of taking out the solid medicine after the solid separation is finished.

Disclosure of utility model

The utility model aims to provide a solid-liquid separation device for drug analysis, which solves the problems and achieves the purposes of thoroughly separating solid from liquid in a drug and conveniently taking out the residual solid drug after the solid-liquid separation is finished.

In order to achieve the above object, the present utility model provides a solid-liquid separation device for drug analysis, comprising:

a frame;

The separating device comprises a separating cylinder, wherein openings are respectively formed in the upper end and the lower end of the separating cylinder, an extrusion part is arranged at the top of the frame, the extrusion part corresponds to the inside of the separating cylinder through the opening at the top of the separating cylinder, a separating funnel is arranged at the bottom of the separating cylinder, the large-diameter end of the separating funnel is matched with the opening at the bottom of the separating cylinder, a filter plate is arranged in the separating funnel, two groups of fixing frames are fixedly connected to the side wall of the separating cylinder, the two groups of fixing frames are symmetrically arranged relative to the axis of the separating cylinder, and a bottom opening and closing part is arranged between the two groups of fixing frames and the separating funnel;

the liquid storage tank, liquid storage tank fixed connection is in the bottom of frame, the top of liquid storage tank with separating funnel's path end intercommunication, fixedly connected with negative pressure machine on the frame, the negative pressure machine with the inside intercommunication of liquid storage tank.

Preferably, the side walls of the two fixing frames are respectively and horizontally fixedly connected with a rotating shaft, the axes of the two rotating shafts coincide, the two groups of rotating shafts are respectively and rotatably connected to the side walls of the frames, the side walls of the frames are fixedly connected with a second motor, and an output shaft of the second motor is fixedly connected with one rotating shaft in a coaxial line.

Preferably, the extrusion piece comprises an air cylinder vertically and fixedly connected to the top of the frame, a pressing plate is horizontally and fixedly connected to the bottom of the air cylinder, and the pressing plate corresponds to the inside of the separation barrel.

Preferably, the bottom opening and closing piece comprises a telescopic rod vertically and slidably connected in the fixing frame, the bottom of the telescopic rod is fixedly connected with the separating funnel through a connecting plate, a threaded hole is formed in the top of the telescopic rod, a first motor is fixedly connected to the top of the fixing frame, one end of a screw rod is fixedly connected to an output shaft of the first motor in a coaxial line mode, and the screw rod is in transmission connection with the telescopic rod through the threaded hole.

Preferably, the edge of the large-diameter end of the separating funnel is fixedly connected with an annular boss, an annular groove is formed in the bottom of the separating barrel, and the annular boss is matched with the annular groove.

Preferably, gauze is placed on top of the filter plate.

Preferably, the bottom of the separating funnel is communicated with a connecting pipe, the top of the liquid storage tank is communicated with one end of a connecting hose, and the other end of the connecting hose is detachably connected with the connecting pipe.

Compared with the prior art, the utility model has the advantages and technical effects that the separating cylinder mainly plays a role in containing solid-liquid mixed medicines, the extrusion part mainly plays a role in downwards extruding the medicines in the separating cylinder and separating the liquid through extrusion, the filter plate mainly plays a role in isolating the solid medicines and enabling the liquid to enter the separating funnel, the bottom opening and closing part mainly plays a role in keeping the connecting state of the separating funnel and the bottom of the separating cylinder before the solid-liquid separation is finished, the separating funnel is separated from the bottom of the separating cylinder after the separation is finished, the residual solid medicines are conveniently cleaned, and the negative pressure machine mainly plays a role in enabling the liquid storage tank and the separating funnel to be in a negative pressure state in the separation process and accelerating the dropping of the liquid. In the whole, the solid-liquid separation of the medicine is more thorough and rapid by the double functions of extrusion and negative pressure suction, and meanwhile, the residual solid medicine can be rapidly taken out after the solid-liquid separation is finished, so that the operation difficulty is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a separation device of the present utility model;

FIG. 2 is a left side cross-sectional view of the separation device of the present utility model;

FIG. 3 is a schematic cross-sectional view of a separator cartridge, mount and separator funnel of the present utility model;

FIG. 4 is an enlarged view of part A in FIG. 3;

Wherein, 1, a frame, 2, a separating cylinder, 3, a fixing frame, 4, a first motor, 5, a pressing plate, 6, an air cylinder, 7, a separating funnel, 8, a liquid storage tank, 9, a negative pressure machine, 10, a second motor, 11, a telescopic rod, 12, a screw rod, 13, a threaded hole, 14, a connecting plate, 15, a filter plate, 16, gauze, 17, an annular boss, 18, an annular groove, 19, a connecting hose, 20, a connecting pipe, 21 and a negative pressure pipe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.

Referring to fig. 1 to 4, the present utility model provides a solid-liquid separation device for drug analysis, comprising:

A frame 1;

The separating tube 2, the upper and lower both ends of separating tube 2 have offered the opening separately, the top of the frame 1 has extrusions, the extrusion corresponds to inside of separating tube 2 through the opening at the top of separating tube 2, the bottom of separating tube 2 has separating funnels 7, the large diameter end of separating funnels 7 is fitted with opening of bottom of separating tube 2, there are filter plates 15 in separating funnels 7, fixedly connect with two groups of fixing frames 3 on the sidewall of separating tube 2, two groups of fixing frames 3 are set up symmetrically about axis of separating tube 2, there are bottom opening and closing parts between separating funnels 7 and the two groups of fixing frames 3;

The liquid storage tank 8, liquid storage tank 8 fixed connection is in the bottom of frame 1, and the small diameter end intercommunication of liquid storage tank 8 top and separation funnel 7 is fixedly connected with negative pressure machine 9 on the frame 1, and negative pressure machine 9 communicates with the inside of liquid storage tank 8.

The separating tube 2 mainly has the function of containing solid-liquid mixed medicines, the extruding part mainly has the function of downwards extruding the medicines in the separating tube 2 to separate liquid through extrusion, the filter plate 15 mainly has the function of isolating solid medicines to enable the liquid to enter the separating funnel 7, the bottom opening and closing part mainly has the function of keeping the connection state of the separating funnel 7 and the bottom of the separating tube 2 before the solid-liquid separation is finished, the separating funnel 7 is separated from the bottom of the separating tube 2 after the separation is finished so as to facilitate the cleaning of residual solid medicines, and the negative pressure machine 9 mainly has the function of enabling the liquid storage tank 8 and the separating funnel 7 to be in a negative pressure state in the separation process so as to accelerate the dropping of the liquid. In the whole, the solid-liquid separation of the medicine is more thorough and rapid by the double functions of extrusion and negative pressure suction, and meanwhile, the residual solid medicine can be rapidly taken out after the solid-liquid separation is finished, so that the operation difficulty is reduced.

In a further optimized scheme, the negative pressure machine 9 is communicated with the liquid storage tank 8 through a negative pressure pipe 21, and the negative pressure pipe 21 is communicated with the upper part of the side wall of the liquid storage tank 8.

As shown in fig. 1, the negative pressure pipe 21 is located at the upper portion of the side wall of the liquid storage tank 8, and prevents the liquid in the liquid storage tank 8 from being sucked into the negative pressure machine 9.

Further optimizing scheme, horizontal fixedly connected with pivot respectively on the lateral wall of two mount 3, the axis of two pivots coincide, and two sets of pivots rotate respectively to be connected on the lateral wall of frame 1, fixedly connected with second motor 10 on the lateral wall of frame 1, the output shaft and the pivot coaxial line fixed connection of second motor 10.

As shown in fig. 1 and 2, after the solid-liquid separation is finished, the second motor 10 is controlled to rotate, so that the separation barrel 2 is deflected by driving the fixing frame 3, the separation funnel 7 is deflected from the upper part of the liquid storage tank 8, and enough operation space is avoided for cleaning the solid medicine. The separating funnel 7 is separated from the bottom of the separating cylinder 2 through the bottom opening and closing piece, and an operator can directly remove the medicine from the bottom opening of the separating cylinder 2, so that the operation difficulty and the labor intensity are reduced.

Further optimizing scheme, the extrusion piece includes vertical fixed connection at the cylinder 6 at frame 1 top, and the bottom level fixedly connected with clamp plate 5 of cylinder 6, clamp plate 5 is corresponding with the inside of separating drum 2.

As shown in fig. 1, the air cylinder 6 is communicated with an external high-pressure air supply device, so that the air cylinder 6 can drive the pressing plate 5 to perform pressing and lifting actions. When the separation cylinder 2 is in a vertical state, the medicine to be subjected to solid-liquid separation is poured from the top opening of the separation cylinder 2. Thereafter, the control cylinder 6 is extended, so that the pressure plate 5 is pressed down from the top of the separation cylinder 2, the medicine in the separation cylinder 2 is pressed, the liquid is forced to pass through the filter plate 15 into the separation funnel 7, and finally into the liquid reservoir 8 for collection.

Further optimizing scheme, the bottom opening and closing piece includes the telescopic link 11 of vertical sliding connection in mount 3, and telescopic link 11's bottom passes through connecting plate 14 and separation funnel 7 fixed connection, and screw hole 13 has been seted up at telescopic link 11's top, and the first motor 4 of mount 3 top fixedly connected with, the one end of the output shaft coaxial line fixedly connected with lead screw 12 of first motor 4, lead screw 12 pass through screw hole 13 and telescopic link 11 transmission connection.

As shown in fig. 3, when the separating funnel 7 needs to be buckled with the bottom of the separating cylinder 2, the first motor 4 is controlled to rotate, the first motor 4 drives the screw rod 12 to rotate, the screw rod 12 and the threaded hole 13 drive the telescopic rod 11 to retract into the fixing frame 3 through threaded transmission, and accordingly the separating funnel 7 is driven to move towards the separating cylinder 2 through the connecting plate 14 until the separating funnel is buckled with the bottom opening of the separating cylinder 2. When the separating funnel 7 needs to be opened, the first motor 4 is controlled to rotate reversely.

Further optimizing scheme, the limit portion fixedly connected with annular boss 17 of the big footpath end of separating funnel 7, annular groove 18 has been seted up to the bottom of separating drum 2, annular boss 17 and annular groove 18 looks adaptation.

As shown in fig. 4, after the separating funnel 7 is buckled with the separating cylinder 2, the annular boss 17 is embedded into the annular groove 18, so that the tightness between the separating funnel 7 and the separating cylinder 2 can be improved, and liquid seeping from a connecting position in the separating process is avoided.

Further optimized, gauze 16 is placed on top of the filter plate 15.

As shown in FIG. 4, the gauze 16 may enhance the separation, resulting in less solids in the separated liquid. When the operator lays the gauze 16, the edge of the gauze can cover the annular boss 17, and when the separating funnel 7 and the separating cylinder 2 are buckled, the gauze 16 can be clamped between the annular boss 17 and the annular groove 18, so that the purpose of preventing the gauze 16 from moving in the solid-liquid separation process is achieved.

Further optimizing scheme, the bottom intercommunication of separating funnel 7 has connecting pipe 20, and the top intercommunication of liquid storage pot 8 has the one end of coupling hose 19, and the other end and the connecting pipe 20 of coupling hose 19 can dismantle the connection.

As shown in fig. 1, in the process of solid-liquid separation, the separation cylinder 2 is in a vertical state, the connection hose 19 and the connection pipe 20 are communicated, and the separated liquid enters the liquid storage tank 8 through the separation funnel 7 and the connection hose 19. When it is desired to dispose of the substance in the cartridge 2, the connecting hose 19 may be pulled off the connecting tube 20, facilitating the deflection of the cartridge 2 within the frame 1.

According to a further optimization scheme, the bottom of the side wall of the liquid storage tank 8 is communicated with a liquid outlet pipe (not shown in the figure) with a valve, and the liquid outlet pipe can lead out liquid in the liquid storage tank 8.

Further optimizing scheme, still include the controller (not shown in the figure), the controller is with first motor 4, second motor 10, cylinder 6 and negative pressure machine 9 electric connection.

The working process of the embodiment is as follows, in the initial state, the separating cylinder 2 is in the vertical state, and the air cylinder 6 is in the retracted state. An operator controls the first motor 4 to rotate through the controller, so that the separating funnel 7 descends, the gauze 16 is paved on the filter plate 15 and covers the annular boss 17, then the first motor 4 is controlled to rotate reversely, the separating funnel 7 is buckled with the separating cylinder 2, and then the medicine to be separated is poured into the separating cylinder 2. Then, the negative pressure machine 9 is controlled to work through the controller, the air cylinder 6 is controlled to stretch, and under the extrusion of the pressing plate 5 and the negative pressure generated by the negative pressure machine 9, liquid in the separating cylinder 2 enters the liquid storage tank 8 through the separating funnel 7 and the connecting hose 19 to be collected.

After the solid-liquid separation is finished, the connection hose 19 and the connection pipe 20 are disconnected, the second motor 10 is controlled to deflect the separation barrel 2, the first motor 4 is controlled to rotate, the separation funnel 7 is moved away from the bottom of the separation barrel 2, solid medicines in the separation barrel 2 can automatically fall through an opening at the bottom, and the medicines adhered to the side wall of the separation barrel 2 can be conveniently pushed out from the opening at the top of the separation barrel 2 to the opening at the bottom. The liquid in the liquid storage tank 8 can be led out from the liquid outlet pipe.

In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, 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 thus should not be construed as limiting the present utility model.

The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.

Claims

1. A solid-liquid separation device for drug analysis, comprising:

A frame (1);

The separating device comprises a separating cylinder (2), wherein openings are respectively formed in the upper end and the lower end of the separating cylinder (2), an extrusion part is arranged at the top of a frame (1), the extrusion part corresponds to the inside of the separating cylinder (2) through the opening at the top of the separating cylinder (2), a separating funnel (7) is arranged at the bottom of the separating cylinder (2), the large-diameter end of the separating funnel (7) is matched with the opening at the bottom of the separating cylinder (2), a filter plate (15) is arranged in the separating funnel (7), two groups of fixing frames (3) are fixedly connected to the side wall of the separating cylinder (2), the two groups of fixing frames (3) are symmetrically arranged relative to the axis of the separating cylinder (2), and a bottom opening-closing part is arranged between the two groups of fixing frames (3) and the separating funnel (7);

The liquid storage tank (8), liquid storage tank (8) fixed connection is in the bottom of frame (1), the top of liquid storage tank (8) with the path end intercommunication of separating funnel (7), fixedly connected with negative pressure machine (9) on frame (1), negative pressure machine (9) with the inside intercommunication of liquid storage tank (8).

2. The solid-liquid separation device for drug analysis according to claim 1, wherein the side walls of the two fixing frames (3) are respectively and horizontally fixedly connected with rotating shafts, the axes of the two rotating shafts coincide, the two groups of rotating shafts are respectively and rotatably connected to the side walls of the frame (1), the side walls of the frame (1) are fixedly connected with a second motor (10), and an output shaft of the second motor (10) is fixedly connected with one rotating shaft in a coaxial line.

3. The solid-liquid separation device for drug analysis according to claim 1, wherein the extrusion comprises a cylinder (6) vertically and fixedly connected to the top of the frame (1), a pressing plate (5) is horizontally and fixedly connected to the bottom of the cylinder (6), and the pressing plate (5) corresponds to the inside of the separation barrel (2).

4. The solid-liquid separation device for drug analysis according to claim 1, wherein the bottom opening and closing member comprises a telescopic rod (11) vertically and slidably connected in the fixing frame (3), the bottom of the telescopic rod (11) is fixedly connected with the separation funnel (7) through a connecting plate (14), a threaded hole (13) is formed in the top of the telescopic rod (11), the top of the fixing frame (3) is fixedly connected with a first motor (4), one end of a screw rod (12) is coaxially and fixedly connected with an output shaft of the first motor (4), and the screw rod (12) is in transmission connection with the telescopic rod (11) through the threaded hole (13).

5. The solid-liquid separation device for drug analysis according to claim 1, wherein an annular boss (17) is fixedly connected to the edge of the large-diameter end of the separation funnel (7), an annular groove (18) is formed in the bottom of the separation barrel (2), and the annular boss (17) is matched with the annular groove (18).

6. A solid-liquid separation apparatus for drug analysis according to claim 1, wherein a gauze (16) is placed on top of the filter sheet (15).

7. The solid-liquid separation device for drug analysis according to claim 1, wherein the bottom of the separation funnel (7) is communicated with a connecting pipe (20), the top of the liquid storage tank (8) is communicated with one end of a connecting hose (19), and the other end of the connecting hose (19) is detachably connected with the connecting pipe (20).