Emulsifying device

Abstract

The utility model relates to the technical field of production and processing of polycaprolactone microspheres, and discloses an emulsifying device which comprises a support, an emulsifying device body is fixedly mounted on the support, a first transmission pipe and a second transmission pipe are symmetrically arranged in the emulsifying device body, and a plurality of nozzles are mounted on the top surface in the emulsifying device body; the stirring structure is rotatably arranged in the emulsifying device body, the stirring structure comprises a rotating rod, a wall scraping rod, a filter cone, a stirring rod, a filter plate, a vortex plate and a vortex blade, the nozzle uniformly sprays a polycaprolactone solution into the emulsifying device body, and then rapid emulsification of the polycaprolactone solution and an emulsifying additive is accelerated by stirring and filtering of the filter plate and the filter cone. Therefore, the emulsification process is accelerated; the wall scraping rod scrapes off a polycaprolactone solution attached to the inner wall of the emulsifying device body, and centrifugal force eddy current formed by the vortex plates and the vortex blades accelerates emulsification, so that the polycaprolactone solution and an emulsifying additive are more sufficiently and uniformly emulsified.

Description

TECHNICAL FIELD

[0001] The utility model belongs to polycaprolactone microsphere production and processing technical field, concretely relates to an emulsifying device. BACKGROUND

[0002] The emulsifying device is mainly used for emulsifying polycaprolactone solution, so as to prepare polycaprolactone microspheres, and the microspheres have a wide application in the medical field, such as drug delivery device, suture or adhesion barrier, tissue engineering scaffold, drug controlled release and targeted delivery, etc., and the polycaprolactone microspheres prepared by the emulsifying device have the characteristics of controllable particle size, high particle size uniformity and good stability, which can meet the needs of different medical applications.

[0003] The prior art discloses an emulsifying device for preparing polycaprolactone microspheres (CN221085238U), which comprises an emulsifying device body, a support disc fixedly connected to the circumferential surface of the emulsifying device body, a purification equipment and a temperature sensor fixedly connected to the top end of the support disc, a connecting groove opened at the top end of the emulsifying device body, an output shaft of the motor drives the driving rotating rod to rotate, the driving rotating rod drives the components in the driving mechanism to operate when rotating, the two first gears in the driving mechanism drive the bottom-fixed transmission rotating rods to rotate, so that the two transmission rotating rods can drive the four first stirring blades on the surface to stir the lactone microsphere raw materials and emulsifying additives on the inner wall of the connecting groove, so that the emulsification is more delicate, uniform and sufficient, and the impurities in the lactone microsphere raw materials and emulsifying additives can also be filtered.

[0004] After searching, it is found that the prior art lacks wall scraping measures for the emulsifying device body when in use, and the lactone microsphere raw materials and emulsifying additives need to be filtered through the screen several times when being stirred, which makes the emulsification process relatively long, and part of the lactone microsphere raw materials may be attached to the inner wall surface of the emulsifying device body, so that the emulsification process is not sufficient and uniform.

[0005] Therefore, the utility model is provided. UTILITY MODEL CONTENT

[0006] In order to solve the above technical problems of lacking wall scraping measures and long emulsification process, the basic concept of the technical scheme adopted by the utility model is:

[0007] An emulsifying device comprises

[0008] A support is fixedly installed with an emulsifying device body, the emulsifying device body is symmetrically provided with a first transmission pipe and a second transmission pipe inside, and a plurality of nozzles are installed on the inner top surface of the emulsifying device body.

[0009] The stirring structure is rotationally arranged in the emulsifying device body, and comprises a rotating rod, a wall scraping rod, a filter, a stirring rod, a filter plate, a vortex plate and vortex leaves.

[0010] As a preferred embodiment of the utility model, the second transmission pipe is composed of an annular pipe and a J-shaped pipe, the first transmission pipe is an L-shaped pipe, the annular pipe is fixedly arranged at the top of the emulsifying device body, the nozzle is communicated with the annular pipe, the first transmission pipe and the J-shaped pipe are arranged in the two side curves of the emulsifying device body respectively, and the first transmission pipe and the second transmission pipe are both communicated with the inside of the emulsifying device body.

[0011] As a preferred embodiment of the utility model, the bottom of the emulsifying device body is provided with a discharge pipe, and a valve for controlling the outflow of emulsion is mounted on the discharge pipe.

[0012] As a preferred embodiment of the utility model, the top of the emulsifying device body is fixedly provided with a motor, and the output end of the motor is connected to the top of the rotating rod.

[0013] As a preferred embodiment of the utility model, the wall scraping rod is in a U-shaped structure and is fixedly connected with the filter in the middle of the wall scraping rod, and the bottom surface of the wall scraping rod is fixedly connected with the bottom of the rotating rod, the stirring rod is in a diagonal rod structure, two stirring rods are symmetrically arranged and are arranged between the bottom of the filter and the wall scraping rod.

[0014] As a preferred embodiment of the utility model, the filter plate is arranged at the bottom of the vortex plate and the vortex leaves, the vortex leaves are arranged in the filter, and a plurality of vortex leaves are arranged around the curved surface of the rotating rod.

[0015] As a preferred embodiment of the utility model, the vortex plate is an arc-shaped long plate, the vortex leaves are rhombic plates, the vortex plate and the vortex leaves are both arranged in a spiral shape, and a plurality of vortex plates are arranged around the inner wall surface of the filter.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] 1. By setting the nozzle, the second transmission pipe, the filter plate and the filter, the polycaprolactone solution is uniformly sprayed in the emulsifying device body by the nozzle, and then the rapid emulsification of the polycaprolactone solution and the emulsifying additive is accelerated by the stirring and filtering of the filter plate and the filter, thereby accelerating the emulsification process.

[0018] 2. By setting the stirring structure, the polycaprolactone solution adhered to the inner wall of the emulsifying device body is scraped off by the rotating scraping of the wall scraping rod, and the emulsification of the polycaprolactone solution and the emulsifying additive is accelerated by the centrifugal vortex formed by the vortex plate and the vortex blade, thereby making the emulsification of the polycaprolactone solution and the emulsifying additive more sufficient and uniform.

[0019] The specific embodiments of the present application will be further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0020] In the drawings:

[0021] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0022] Figure 2 It is a schematic diagram of the overall cross-section of the present application;

[0023] Figure 3 It is a schematic diagram of the stirring structure of the present application;

[0024] Figure 4 It is a schematic diagram of the transmission pipe part of the emulsifying device body of the present application;

[0025] Figure 5 It is a schematic diagram of the local stirring structure of the present application.

[0026] In the drawings: 10, support; 11, emulsifying device body; 12, first transmission pipe; 13, second transmission pipe; 14, discharge pipe; 15, valve; 16, nozzle; 17, rotating rod; 18, motor; 19, wall scraping rod; 20, filter; 21, stirring rod; 22, filter plate; 23, vortex plate; 24, vortex blade. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments will be described clearly and completely below with reference to the drawings in the embodiments of the present application, and the following embodiments are used to illustrate the present application.

[0028] An emulsifying device, such as Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, including support 10, fixedly installed on the support 10 emulsification device body 11, emulsification device body 11 inside the first transmission pipe 12 and the second transmission pipe 13 are symmetrically arranged, emulsification device body 11 inside top surface is installed with several nozzles 16; stirring structure, stirring structure rotation is arranged in emulsification device body 11, stirring structure includes rotating rod 17, wall scraping rod 19, filter 20, stirring rod 21, filter plate 22, vortex plate 23 and vortex blade 24, rotating rod 17 rotation is arranged in emulsification device body 11, filter 20 is fixedly arranged on the surface of rotating rod 17, wall scraping rod 19 is fixedly arranged between the bottom of rotating rod 17 and the surface of filter 20, stirring rod 21 is fixedly arranged at the bottom of filter 20, filter plate 22 is fixedly arranged in filter 20, vortex plate 23 is fixedly arranged on the inner wall surface of filter 20, vortex blade 24 is fixedly arranged on the surface of rotating rod 17.

[0029] Specifically, the device is provided with nozzles 16, second transmission pipe 13, filter plate 22 and filter 20, which uniformly sprays polycaprolactone solution in emulsification device body 11 by nozzles 16, and then accelerates the rapid emulsification of polycaprolactone solution and emulsifying additives by stirring and filtering of filter plate 22 and filter 20, thereby speeding up the emulsification process; by setting the stirring structure, the inner wall of the emulsification device body 11 is scraped by the wall scraping rod 19, and the adhered polycaprolactone solution is scraped off, and the centrifugal vortex formed by the vortex plate 23 and the vortex blade 24 accelerates the emulsification, so that the polycaprolactone solution and the emulsifying additives are emulsified more fully and uniformly.

[0030] As shown in Figure 1 , Figure 2 and Figure 4 , the second transmission pipe 13 is composed of an annular pipe and a J-shaped pipe, the first transmission pipe 12 is an L-shaped pipe, the annular pipe is fixedly arranged at the top of the emulsification device body 11, the nozzles 16 are communicated with the annular pipe, the first transmission pipe 12 and the J-shaped pipe are arranged in the two curved surfaces of the emulsification device body 11 respectively, and the first transmission pipe 12 and the second transmission pipe 13 are communicated with the inside of the emulsification device body 11; as shown in Figure 1 and Figure 2 , the bottom of the emulsification device body 11 is provided with a discharge pipe 14, and the discharge pipe 14 is provided with a valve 15 for controlling the outflow of emulsion; as shown in Figure 1 , Figure 2 and Figure 3 , the top of the emulsification device body 11 is fixedly provided with a motor 18, and the output end of the motor 18 is connected with the top of the rotating rod 17; as shown in Figure 2 and Figure 3As shown, the wall scraping rod 19 corresponds to the shape of the section of the emulsifying device body 11, the wall scraping rod 19 is a U-shaped structure, the inside of the wall scraping rod 19 is fixedly connected with the filter 20, the bottom of the wall scraping rod 19 is fixedly connected with the bottom of the rotating rod 17, the stirring rod 21 is a diagonal rod structure, the stirring rod 21 is symmetrically provided with two, and the two stirring rods 21 are arranged between the bottom of the filter 20 and the wall scraping rod 19. Figure 5 As shown, the filter plate 22 is located at the bottom of the vortex plate 23 and the vortex blade 24, the vortex blade 24 is located in the inside of the filter 20, the vortex blade 24 is provided with a plurality of vortex blades 24, and the plurality of vortex blades 24 are connected on the curved surface of the rotating rod 17. Figure 5 As shown, the vortex plate 23 is an arc-shaped long plate, the vortex blade 24 is a rhombic plate, the vortex plate 23 and the vortex blade 24 are both provided with a plurality of spiral structures, and the plurality of vortex plates 23 are distributed on the inner wall surface of the filter 20.

[0031] Specifically, in use, first, polycaprolactone is dissolved in a suitable solvent to form a dispersed phase, and the concentration, molecular weight and other parameters of the dispersed phase need to be adjusted according to the specific preparation process and application requirements, then the polycaprolactone solution is added to the second transmission pipe 13, at this time the polycaprolactone solution passes through the second transmission pipe 13 into the nozzle 16, and then is uniformly sprayed in the emulsifying device body 11, and at the same time, the continuous phase, i.e. the emulsifying additive, is added to the first transmission pipe 12, at this time the motor 18 is started, the motor 18 drives the rotation of the rotating rod 17 and the stirring structure, then the vortex blade 24 and the vortex plate 23 rotate synchronously, the vortex blade 24 and the vortex plate 23 are different in direction, so that the centrifugal vortex formed is also different in direction, in this vortex, the polycaprolactone solution and the emulsifying additive are first filtered and refined by the filter plate 22 and then thrown out by the filter 20, and finally the stirring rod 21 and the wall scraping rod 19 are used for stirring and filtering, so as to complete the emulsification process, finally the valve 15 is opened, and the emulsified liquid is discharged through the discharge pipe 14.

[0032] It can be understood that the utility model is described through some embodiments, and those skilled in the art know that various changes or equivalent replacements can be made to these features and embodiments without departing from the spirit and scope of the utility model. In addition, under the guidance of the utility model, these features and embodiments can be modified to adapt to specific conditions and materials without departing from the spirit and scope of the utility model. Therefore, the utility model is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application belong to the scope protected by the utility model.

Claims

1. An emulsifying device, characterized in that, include A bracket (10) is fixedly installed on the bracket (10). A first transmission pipe (12) and a second transmission pipe (13) are symmetrically arranged inside the emulsifying device body (11). Several nozzles (16) are installed on the top surface inside the emulsifying device body (11). The stirring structure is rotatably disposed within the emulsifying device body (11). The stirring structure includes a rotating rod (17), a scraping rod (19), a filter hopper (20), a stirring rod (21), a filter plate (22), a vortex plate (23), and a vortex blade (24). The rotating rod (17) is rotatably disposed within the emulsifying device body (11). The filter hopper (20) is fixedly disposed on the curved surface of the rotating rod (17). The scraping rod (19) is fixedly disposed between the bottom of the rotating rod (17) and the curved surface of the filter hopper (20). The stirring rod (21) is fixedly disposed at the bottom of the filter hopper (20). The filter plate (22) is fixedly disposed within the filter hopper (20). The vortex plate (23) is fixedly disposed on the inner wall surface of the filter hopper (20). The vortex blade (24) is fixedly disposed on the curved surface of the rotating rod (17).

2. The emulsifying device according to claim 1, characterized in that, The second transmission pipe (13) consists of an annular pipe and a J-shaped pipe. The first transmission pipe (12) is an L-shaped pipe. An annular pipe is fixedly installed inside the top of the emulsifying device body (11). The nozzle (16) is connected to the annular pipe. The first transmission pipe (12) and the J-shaped pipe are respectively installed in the curved surfaces on both sides of the emulsifying device body (11). The first transmission pipe (12) and the second transmission pipe (13) are both connected to the interior of the emulsifying device body (11).

3. The emulsifying device according to claim 1, characterized in that, The bottom of the emulsifying device body (11) is provided with a discharge pipe (14), and a valve (15) for controlling the outflow of emulsion is installed on the discharge pipe (14).

4. An emulsifying device according to claim 1, characterized in that, A motor (18) is fixedly installed on the top of the emulsifying device body (11), and the output end of the motor (18) is connected to the top of the rotating rod (17).

5. An emulsifying device according to claim 1, characterized in that, The scraper rod (19) corresponds to the shape of the cross section of the emulsifying device body (11). The scraper rod (19) has a U-shaped structure. The filter hopper (20) is fixedly connected in the middle of the scraper rod (19). The bottom of the rotating rod (17) is fixedly connected to the bottom of the scraper rod (19). The stirring rod (21) has an inclined rod structure. There are two stirring rods (21) symmetrically arranged. Both stirring rods (21) are arranged between the bottom of the filter hopper (20) and the scraper rod (19).

6. An emulsifying device according to claim 1, characterized in that, The filter plate (22) is located at the bottom of the vortex plate (23) and the vortex blade (24). The vortex blade (24) is located inside the filter hopper (20). Multiple vortex blades (24) are provided, and multiple vortex blades (24) are connected around the curved surface of the rotating rod (17).

7. An emulsifying device according to claim 6, characterized in that, The vortex plate (23) is an arc-shaped long plate, and the vortex blade (24) is a rhomboid plate. Multiple vortex plates (23) and vortex blades (24) are arranged in a spiral pattern, and multiple vortex plates (23) are distributed around the inner wall surface of the filter hopper (20).

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