CN221412957U - Polymer microsphere synthesizer - Google Patents

Abstract

The utility model discloses a polymer microsphere synthesis device in the technical field of microsphere preparation, which comprises a mixing barrel and a cover body, wherein the cover body is fixedly connected to the top of the mixing barrel, a stirring shaft is rotationally connected in the cover body, one end of the stirring shaft, which is far away from the cover body, extends to the bottom of the mixing barrel and is rotationally connected with the bottom of the mixing barrel, a driving unit for driving the stirring shaft is arranged at the top of the cover body, the inside of the stirring shaft is hollow, a plurality of groups of mixing units are fixedly connected to the side wall of the stirring shaft, a feeding hole is formed at the top of the cover body, an exhaust hole is formed at the side wall of the mixing barrel, a discharge hole is formed at the bottom of the mixing barrel, and an air supply unit for supplying air to the inside of the stirring shaft is arranged at the side wall of the mixing barrel. According to the utility model, in the process of synthesizing the polymer microspheres, the stirring shaft drives the mixing unit to rotate in the horizontal direction, and the mixing unit is combined with the mixing unit to rotate in the vertical direction at each part, so that the rapid stirring and mixing of the upper and lower layers of solution can be promoted, and the mixing of the solution at the bottom and each corner of the mixing barrel is promoted by gas.

Description

Polymer microsphere synthesizer

Technical Field

The utility model belongs to the technical field of microsphere preparation, and particularly relates to a polymer microsphere synthesis device.

Background

The conventional microsphere preparation method comprises an emulsification-solvent volatilization method, a phase separation method, a spray drying method, a membrane emulsification method and the like, wherein the phase separation method is indispensable to stir and mix the solution for preparing the microsphere, and the synthesis efficiency of the microsphere is lower when the traditional stirring reaction equipment is adopted for stirring and mixing.

In order to improve the efficiency of microsphere synthesis, a polymer microsphere synthesis device described in chinese patent document CN214261894U drives a first rod body to rotate through a motor, the first rod body drives a third plate body to rotate, the third plate body drives an electric push rod to rotate, the electric push rod drives a second plate body to rotate, the second plate body drives the first plate body to rotate, at the same time, a push rod of the electric push rod pushes the second plate body to reciprocate, and the second plate body drives the first plate body to reciprocate, so that materials are mixed in the horizontal and vertical directions simultaneously, and the mixing time is further shortened, and the efficiency of microsphere synthesis is improved.

The device can mix the upper layer solution and the lower layer solution when stirring and mixing, but the solution at the bottom and part of corners is difficult to ensure to be mixed quickly only by pushing the plate body, if the solution can not be mixed for a long time, the size of the synthesized microsphere is different from that of the microspheres in other areas, and the uniformity of the synthesized microsphere is affected.

Disclosure of utility model

The utility model aims to provide a polymer microsphere synthesis device, which solves the problems that in the process of synthesizing polymer microspheres, the stirring and mixing of upper and lower layers of solutions are slower, and the solution at the bottom and part of corners of a container is difficult to ensure that the solutions are mixed quickly.

In order to achieve the above object, the technical scheme of the present utility model is as follows: the polymer microsphere synthesis device comprises a mixing barrel and a cover body, wherein the cover body is fixedly connected to the top of the mixing barrel, a stirring shaft is rotationally connected in the cover body, one end of the stirring shaft, which is far away from the cover body, extends to the bottom of the mixing barrel and is rotationally connected with the bottom of the mixing barrel, a driving unit for driving the stirring shaft is arranged at the top of the cover body, the inside of the stirring shaft is hollow, and a plurality of groups of mixing units are fixedly connected to the side wall of the stirring shaft;

The mixing unit comprises a connecting pipe fixedly connected with the side wall of the stirring shaft, one end of the connecting pipe, far away from the stirring shaft, is of a closed structure, the inside of the connecting pipe is communicated with the inside of the stirring shaft, a mixing sleeve is rotationally connected to the connecting pipe, a cavity is formed in the mixing sleeve, the cavity in the mixing sleeve is communicated with the inside of the connecting pipe, a plurality of mixing blocks are uniformly distributed on the side wall of the mixing sleeve around the circumference of the axis of the mixing sleeve, a plurality of exhaust holes are formed in the side wall of at least one mixing block, and the exhaust holes are communicated with the cavity in the mixing sleeve;

the feed inlet has been seted up at the lid top, and the gas vent has been seted up to the blending tank lateral wall, and the bin outlet has been seted up to the blending tank bottom, and the blending tank lateral wall is provided with the air feed unit that is used for to the inside air feed of (mixing) shaft.

The technical principle of the scheme is as follows:

The mixing units fixed on the side wall of the stirring shaft are driven by the driving unit to rotate in the horizontal direction, and the solution in the mixing barrel is subjected to basic stirring in the rotating process, so that the mixing of the solution in the same layer is promoted, the air supply unit supplies air to each mixing unit, and the air exhausted from the air exhaust hole pushes the mixing unit to rotate in the vertical direction, so that the mixing of the solution in the upper layer and the solution in the lower layer is promoted; meanwhile, the gas exhausted through the exhaust holes blows the solutions at all parts in the mixing barrel to be mixed.

The adoption of the scheme has the following beneficial effects:

According to the scheme, in the process of synthesizing the polymer microspheres, the rapid stirring and mixing of the upper layer solution and the lower layer solution can be promoted, and the solution at the bottom and all corners of the mixing barrel is promoted to be mixed through gas.

Further, the drive unit includes the drive housing with lid fixed connection, lid top fixedly connected with driving piece, and the output shaft of driving piece extends to in the drive housing and coaxial fixedly connected with first bevel gear, and the (mixing) shaft extends to in the drive housing and coaxial fixedly connected with second bevel gear, first bevel gear and second bevel gear meshing.

The beneficial effects are that: through the transmission of driving piece cooperation first bevel gear and second bevel gear stirring power, can make the stirring axle operation more steady, and provide sufficient torsion.

Further, the air supply unit comprises an air supply box and a feed box which are fixedly connected with the side wall of the mixing drum, a three-way pipe is fixedly connected with the bottom of the mixing drum, the three-way pipe is communicated with the inside of the stirring shaft, and the air supply box and the feed box are communicated with the three-way pipe.

The beneficial effects are that: the gas supply box and the material supply box can respectively convey the gas for mixing and the ingredients required by the synthetic polymer microspheres into the mixing barrel through the gas exhaust holes, and meanwhile, the gas for mixing and the ingredients required by the synthetic polymer microspheres are conveyed to be more uniformly distributed in the solution, so that the mixing efficiency after material addition is improved.

Further, the air supply box and the feed box are communicated with the three-way pipe through electromagnetic valves.

The beneficial effects are that: the free switching of air supply, feeding and air supply and feeding is realized through the electromagnetic valve.

Further, one end of the connecting pipe, which is far away from the stirring shaft, is fixedly connected with an arc scraping plate, and the arc scraping plate is propped against the inner side wall of the mixing drum.

The beneficial effects are that: the materials in the solution can be prevented from being attached to the inner side wall of the mixing barrel through the arc scraping plate.

Further, the connecting shaft is divided into three layers, each layer comprises four connecting shafts, and the connecting shafts are uniformly distributed on the side wall of the stirring shaft around the axis circumference of the stirring shaft.

The beneficial effects are that: the stirring and mixing process can be more stable through the uniform layering design.

Further, the exhaust hole is arranged on the front side wall and the left side wall and the right side wall of the mixing block.

The beneficial effects are that: the exhaust holes on the left side wall and the right side wall exhaust the gas to promote the mixing of the solution near the left side and the right side of the mixing unit, which comprises a stirring shaft and the inner side wall of the mixing barrel.

Further, an air supply pump for adjusting the air supply amount is arranged in the air supply box.

The beneficial effects are that: the rotation speed of the mixing unit can be adjusted by adjusting the air supply amount so as to adapt to different stirring and mixing requirements.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

FIG. 1 is a cross-sectional view of an embodiment of a polymeric microsphere synthesis device according to the present utility model;

FIG. 2 is a cross-sectional view of a mixing unit of an embodiment of a polymeric microsphere synthesis device according to the present utility model;

FIG. 3 is a side view of a mixing unit of an embodiment of the polymeric microsphere synthesis device of the present utility model.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "vertical," "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 utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the utility model.

In the description of the present utility model, unless otherwise specified and defined, it should be noted that the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, mechanical or electrical, or may be in communication with each other between two elements, directly or indirectly through intermediaries, as would be understood by those skilled in the art, in view of the specific meaning of the terms described above.

The following is a further detailed description of the embodiments:

Reference numerals in the drawings of the specification include: the device comprises a cover body 1, a mixing barrel 2, an arc scraping plate 3, an air supply box 4, a pipeline 5, an electromagnetic valve 6, a three-way pipe 7, a discharge opening 8, a feed box 9, a connecting sleeve 10, a mixing unit 11, a stirring shaft 12, an air exhaust opening 13, a feed opening 14, a driving cover 15, a second bevel gear 16, a first bevel gear 17, a gear motor 18, a connecting pipe 19, a mixing plate 20, an air exhaust hole 21 and a mixing sleeve 22.

Example 1

As shown in fig. 1: the polymer microsphere synthesis device comprises a mixing barrel 2 and a cover body 1, wherein the mixing barrel 2 and the cover body 1 are of cylindrical structures, the cover body 1 is fixedly connected to the top of the mixing barrel 2, and the specific fixing modes of the cover body 1 and the mixing barrel 2 are fixed connection modes such as a screw, a spline, a wedge pin and the like; the stirring shaft 12 is rotationally connected to the cover body 1, one end of the stirring shaft 12, far away from the cover body 1, extends to the bottom of the mixing drum 2 and is rotationally connected with the bottom of the mixing drum 2, a driving unit for driving the stirring shaft 12 is arranged at the top of the cover body 1, a plurality of connecting sleeves 10 are sleeved on the stirring shaft 12, hollow structures are arranged from the uppermost connecting sleeve 10 of the stirring shaft 12 to the inside of the stirring shaft 12 at the bottommost part of the stirring shaft 12, and a plurality of groups of mixing units 11 are fixedly connected to the side wall of the stirring shaft 12 through the connecting sleeves 10.

As shown in fig. 2-3, the mixing unit 11 comprises a connecting pipe 19 fixedly connected with the side wall of the stirring shaft 12, one end of the connecting pipe 19 far away from the stirring shaft 12 is of a closed structure, the inside of the connecting pipe 19 is communicated with the inside of the stirring shaft 12, a mixing sleeve 22 is rotationally connected to the connecting pipe 19, a cavity is formed in the mixing sleeve 22, the cavity in the mixing sleeve 22 is communicated with the inside of the connecting pipe 19, six groups of mixing blocks are uniformly distributed on the side wall of the mixing sleeve 22 around the circumference of the axis of the mixing sleeve, a plurality of exhaust holes 21 are formed in one side wall of the mixing blocks, and the exhaust holes 21 are communicated with the cavity in the mixing sleeve 22; the exhaust holes 21 may be formed at the sidewalls of the plurality of mixing blocks according to the need to promote the uniform rotation of the mixing unit 11.

The top of the cover body 1 is provided with a feed inlet 14, the side wall of the mixing barrel 2 is provided with an exhaust outlet 13, the bottom of the mixing barrel 2 is provided with a discharge outlet 8, and the side wall of the mixing barrel 2 is fixedly connected with an air supply unit for supplying air to the inside of the stirring shaft 12.

The specific implementation process is as follows: the materials required by the synthetic polymer microspheres are added through the feed inlet 14, the driving unit is started, the driving unit enables the stirring shafts 12 to rotate, the stirring shafts 12 drive the mixing units 11 to perform position adjustment in the horizontal direction, so that stirring and mixing of solutions in each layer are realized, gas is conveyed into the stirring shafts 12 through the gas supply unit, inert gases such as helium are preferably conveyed, and finally the gas is discharged from the exhaust holes 21 of the mixing units 11, so that the mixing units 11 are pushed to rotate in the vertical direction, and stirring and mixing of solutions in upper layers, lower layers and parts of corners are realized.

Example two

As shown in fig. 1, the difference from the first embodiment is that the driving unit includes a driving cover 15 fixedly connected with the cover 1, a driving member is fixedly connected to the top of the cover 1, in this embodiment, a gear motor 18 is used as the driving member, an output shaft of the gear motor 18 extends into the driving cover 15 and is coaxially and fixedly connected with a first bevel gear 17, the stirring shaft 12 extends into the driving cover 15 and is coaxially and fixedly connected with a second bevel gear 16, and the first bevel gear 17 is meshed with the second bevel gear 16.

The specific implementation process is as follows: when the gear motor 18 is operated, the stirring shaft 12 is rotated by the transmission of the first bevel gear 17 and the second bevel gear 16.

Example III

As shown in fig. 1, the difference from the second embodiment is that the air supply unit includes an air supply tank 4 and an air supply tank 9 fixedly connected to the side wall of the mixing tub 2, the air supply tank 4 and the air supply tank 9 are respectively fixedly connected to the left and right sides of the mixing tub 2, a three-way pipe 7 is fixedly connected to the bottom of the mixing tub 2, one end of the three-way pipe 7 is rotatably connected to the stirring shaft 12 and is internally communicated with the stirring shaft 12, and the air supply tank 4 and the air supply tank 9 are respectively communicated with the three-way pipe 7 through pipelines 5.

The specific implementation process is as follows: the gas supply box 4 or the material supply box 9 outputs gas or material, and the gas or material is conveyed into the stirring shaft 12 through the pipeline 5 and the tee pipe 7 and finally discharged through the exhaust hole 21 on the mixing unit 11.

Example IV

As shown in fig. 1, the difference from the third embodiment is that the electromagnetic valve 6 is communicated with the communication place between the air supply box 4 and the feed box 9 and the tee 7. The type of the electromagnetic valve 6 selected in the embodiment is as follows: ZQDF solenoid valve 6.

The specific implementation process is as follows: the exhaust hole 21 can be adjusted to exhaust gas or materials by controlling the operation of the electromagnetic valve 6.

Example five

As shown in figure 1, the difference with the fourth embodiment is that one end of the connecting pipe 19 away from the stirring shaft 12 is fixedly connected with an arc scraper 3, and the arc scraper 3 is propped against the inner side wall of the mixing drum 2

The specific implementation process is as follows: when the stirring shaft 12 drives the connecting pipe 19 to rotate, the connecting pipe 19 enables the arc scraping plate 3 to scrape off the attached materials on the inner side wall of the mixing drum 2.

Example six

As shown in FIG. 1, the difference from the fifth embodiment is that the connecting shafts are divided into three layers, each layer comprises four connecting shafts which are circumferentially and uniformly distributed on the side wall of the stirring shaft 12 around the axis of the stirring shaft 12

The specific implementation process is as follows: the three-layer mixing unit 11 agitates the layers to be mixed so that the solutions between the adjacent layers are uniformly agitated and mixed.

Example seven

As shown in fig. 2 to 3, the difference from the sixth embodiment is that the exhaust holes 21 are formed in the front side wall and the left and right side walls of the mixing block.

The specific implementation process is as follows: during the rotation of the mixing unit 11, the gas is simultaneously outputted through the gas discharge holes 21 of the left and right side walls, and the mixing of the solution in the inner side wall of the mixing tub 2 and the vicinity of the stirring shaft 12 is promoted.

Example eight

As shown in fig. 1, the difference from the seventh embodiment is that an air supply pump (not shown in the drawing) for adjusting the air supply amount is fixedly connected in the air supply tank 4, and the air supply pump in this embodiment is selected from the following types: 2QB610-SAH16-2.2KW vortex type air pump.

The specific implementation process is as follows: the rotation speed of the mixing unit 11 is adjusted by adjusting the air supply amount of the air supply pump to change the amount of air discharged from the air discharge hole 21.

The foregoing is merely exemplary of the present utility model and the specific structures and/or characteristics of the present utility model that are well known in the art have not been described in detail herein. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent. The protection scope of the present utility model is subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.

Claims (8)

1. A polymer microsphere synthesis device, which is characterized in that: the stirring device comprises a mixing drum and a cover body, wherein the cover body is fixedly connected to the top of the mixing drum, a stirring shaft is rotationally connected in the cover body, one end of the stirring shaft, which is far away from the cover body, extends to the bottom of the mixing drum and is rotationally connected with the bottom of the mixing drum, a driving unit for driving the stirring shaft is arranged at the top of the cover body, the inside of the stirring shaft is hollow, and a plurality of groups of mixing units are fixedly connected to the side wall of the stirring shaft;

The mixing unit comprises a connecting pipe fixedly connected with the side wall of the stirring shaft, one end of the connecting pipe, far away from the stirring shaft, is of a closed structure, the inside of the connecting pipe is communicated with the inside of the stirring shaft, a mixing sleeve is rotationally connected to the connecting pipe, a cavity is formed in the mixing sleeve, the cavity in the mixing sleeve is communicated with the inside of the connecting pipe, a plurality of mixing blocks are uniformly distributed on the side wall of the mixing sleeve around the circumference of the axis of the mixing sleeve, a plurality of exhaust holes are formed in the side wall of at least one mixing block, and the exhaust holes are communicated with the cavity in the mixing sleeve;

the feed inlet has been seted up at the lid top, and the gas vent has been seted up to the blending tank lateral wall, and the bin outlet has been seted up to the blending tank bottom, and the blending tank lateral wall is provided with the air feed unit that is used for to the inside air feed of (mixing) shaft.

2. The polymeric microsphere synthesis device according to claim 1, wherein: the drive unit comprises a drive cover fixedly connected with the cover body, the top of the cover body is fixedly connected with a drive piece, an output shaft of the drive piece extends into the drive cover and is coaxially and fixedly connected with a first bevel gear, the stirring shaft extends into the drive cover and is coaxially and fixedly connected with a second bevel gear, and the first bevel gear is meshed with the second bevel gear.

3. The polymer microsphere synthesis device according to claim 2, wherein: the air supply unit comprises an air supply box and a feed box which are fixedly connected with the side wall of the mixing drum, a three-way pipe is fixedly connected with the bottom of the mixing drum, the three-way pipe is communicated with the inside of the stirring shaft, and the air supply box and the feed box are both communicated with the three-way pipe.

4. A polymeric microsphere synthesis device according to claim 3, wherein: the air supply box and the feed box are communicated with the three-way pipe through electromagnetic valves.

5. The polymer microsphere synthesis device according to claim 4, wherein: one end of the connecting pipe, which is far away from the stirring shaft, is fixedly connected with an arc scraping plate, and the arc scraping plate is propped against the inner side wall of the mixing drum.

6. The polymer microsphere synthesis device according to claim 5, wherein: the connecting shaft is divided into three layers, each layer comprises four connecting shafts, and the connecting shafts are uniformly distributed on the side wall of the stirring shaft around the axis circumference of the stirring shaft.

7. The polymer microsphere synthesis device according to claim 6, wherein: the exhaust hole is arranged on the front side wall and the left side wall and the right side wall of the mixing block.

8. The polymeric microsphere synthesis device according to claim 7, wherein: an air supply pump for adjusting the air supply amount is arranged in the air supply box.