CN113976057B

CN113976057B - Preparation device of fluorescent nano material

Info

Publication number: CN113976057B
Application number: CN202111303035.9A
Authority: CN
Inventors: 沈心逸; 马云飞; 孙钰珂
Original assignee: Wenzhou Medical University
Current assignee: Wenzhou Medical University
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2022-11-18
Anticipated expiration: 2041-11-05
Also published as: CN113976057A

Abstract

The invention relates to the technical field of fluorescent materials, in particular to a preparation device of a fluorescent nano material. A preparation device of a fluorescent nano material comprises a base, a rotary table and a first rotary motor, wherein the first rotary motor is arranged between the base and the rotary table and used for driving the rotary table to rotate above the base, at least 4 uniformly distributed station holes are formed in the edge of the rotary table, a stirring centrifugal mechanism, a distillation generation mechanism, a drying mechanism and a distillation receiving mechanism are sequentially and respectively arranged in the station holes, and a distillation transition mechanism is arranged in the middle of the rotary table; still include the reaction household utensils of using with above-mentioned mechanism cooperation, the reaction household utensils include hollow main part, hollow main part's bottom surface middle part is equipped with the pivot. The technical scheme is used for solving the problems that when the existing fluorescent material preparation process is implemented, a plurality of independent devices are required to meet the requirements of operations such as stirring, centrifuging, distilling and drying, so that the use is inconvenient and the preparation efficiency is low.

Description

Preparation device of fluorescent nano material

Technical Field

The invention relates to the technical field of fluorescent materials, in particular to a preparation device of a fluorescent nano material.

Background

Fluorescent nanomaterials are of great interest in the field of analysis due to their unique physical and chemical properties. The fluorescent nano material not only has higher fluorescence intensity and superior light stability, but also has the special properties of nano materials such as quantum effect, small-size effect and the like, so that the defects of the traditional dye can be overcome, and the fluorescent nano material has huge application prospects in the fields of chemical sensing, biomedicine and the like.

In the fluorescent nano-material preparation process, at least one operation of stirring, centrifuging, distilling and drying is usually required to be performed on raw materials to prepare the required fluorescent nano-material, but in the existing fluorescent nano-material preparation process, a plurality of independent devices are usually required to be prepared respectively to meet the preparation requirement when the operation is performed, and the use is very inconvenient, so that the overall preparation efficiency is low.

Disclosure of Invention

In view of the above technical deficiencies, the present invention aims to provide a device for preparing a fluorescent nano-material, which is used for solving the problems of inconvenient use and low preparation efficiency caused by the fact that a plurality of independent devices are required to meet the requirements of operations such as stirring, centrifuging, distilling and drying when the existing fluorescent material preparation process is implemented.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

a preparation device of a fluorescent nano material comprises a base, a rotary table and a first rotary motor, wherein the first rotary motor is arranged between the base and the rotary table and used for driving the rotary table to rotate above the base, at least 4 uniformly distributed station holes are formed in the edge of the rotary table, a stirring centrifugal mechanism, a distillation generation mechanism, a drying mechanism and a distillation receiving mechanism are sequentially and respectively arranged in the station holes, and a distillation transition mechanism is arranged in the middle of the rotary table; the reaction vessel comprises a hollow main body, a rotating shaft is arranged in the middle of the bottom surface of the hollow main body, a stirring blade is arranged at one end of the rotating shaft, which is positioned in the hollow main body, and a clamping groove is arranged at one end of the rotating shaft, which is positioned outside the hollow main body;

the stirring centrifugal mechanism is used for uniformly stirring and mixing the raw materials in the reaction vessel and carrying out centrifugal operation on the mixed solution; the distillation generating mechanism is used for distilling the mixed solution in the reaction vessel, the distillation transition mechanism is used for guiding the evaporated solution into the reaction vessel in the distillation receiving mechanism, the distillation receiving mechanism is used for placing the evaporated solution in the reaction vessel to form condensed water, and the drying mechanism is used for drying a crystalline object formed by mixing raw materials in the reaction vessel.

Further inject, stirring centrifugal mechanism including be fixed in the carousel lower part the second rotating electrical machines the output shaft of second rotating electrical machines be big-end-up's step shaft, step shaft upper portion is equipped with the external screw thread, be equipped with first layer board on the step shaft, the middle part of first layer board is equipped with the through-hole, the inner wall of through-hole be equipped with external screw thread assorted internal thread, the symmetry is equipped with one end and first layer board fixed connection's stand on the first layer board, the other end of stand extends to the top of carousel, and is equipped with the lantern ring between the stand that the symmetry set up, the side and the stand bolted connection of the lantern ring still include the second layer board that sets up in the step shaft upper end, the middle part of second layer board is equipped with the spacing ring, the inside of spacing ring be equipped with joint recess assorted joint lug.

The working principle of the stirring centrifugal mechanism is as follows:

according to the stirring principle, a reaction vessel is placed in a lantern ring, the lantern ring limits the reaction vessel, meanwhile, a clamping groove of a rotating shaft at the lower end of the reaction vessel is matched with a clamping lug in the limiting ring, and the first supporting plate is not in threaded connection with the stepped shaft at the moment, so that when the second rotating motor rotates, the second supporting plate is driven to rotate, the rotating shaft is driven to rotate, the stirring blades are driven to rotate, and the raw materials in the reaction vessel are stirred;

centrifugal principle, with first layer board and the epaxial external screw thread connection of collective, first layer board rises for the position of step shaft bottom this moment, even joint lug and joint recess break away from, because rotate between the lantern ring and the stand and be connected, through the elasticity of rotating the bolt, realize the rotation to the lantern ring, it is fixed in vertical direction to make the lantern ring slope, when consequently the second motor is rotatory, the solution in the reaction household utensils that the slope set up under the effect of centrifugal force, will realize solid-liquid separation to reach centrifugal purpose.

Further inject, stoving mechanism includes a stoving section of thick bamboo, the upper end and the station hole intercommunication of a stoving section of thick bamboo, the bottom of a stoving section of thick bamboo is equipped with the baffle, be equipped with the heating wire in the baffle.

The principle of the drying mechanism is as follows:

and placing the reaction vessel in a drying cylinder, and then starting an electric heating wire to heat the reaction vessel to realize the purpose of drying internal crystals.

Further inject, distillation receiving mechanism includes a receiving cylinder, the upper end and the spacing hole intercommunication of a receiving cylinder, be equipped with spacing section of thick bamboo in the receiving cylinder.

Further inject, distillation transition mechanism is including the installation pole, logical groove has been seted up on the installation pole, the rubber ring has been cup jointed on the installation pole, be equipped with the dead lever on the rubber ring, the dead lever is located logical inslot, the both ends of dead lever all are equipped with the end cover that matches the use with reaction household utensils upper portion opening, the end cover middle part is equipped with the through-hole, and is equipped with the honeycomb duct between the end cover, the both ends of honeycomb duct communicate with the through-hole on the end cover respectively, and the honeycomb duct is located the logical inslot of installation ann.

Further inject, the mechanism includes third rotating electrical machines, the retort, the upper end and the station hole intercommunication of retort, the bottom of retort is equipped with the baffle, be equipped with the heating wire between the lower surface of baffle and the retort bottom, be equipped with heat conduction solution in the upper portion space of baffle, the tip of third rotating electrical machines extends to the top of baffle, and is equipped with the spacing ring on its tip, be equipped with the joint lug that matches with the joint recess in the spacing ring.

The distillation principle is as follows:

the reaction vessel is placed in the distillation barrel, then the power supply of the electric heating wire is started to heat the heat conduction solution, the solution is evaporated through heat transfer, the third rotating motor is started to drive the stirring blade to rotate in the evaporation process, and the effect of evaporating the solution is improved. Spacing section of thick bamboo is spacing to the reaction household utensils, guarantees its stability, promotes distillation effect through end cover seal, then collects in the leading-in reaction household utensils of receiving in the section of thick bamboo of steam that will form through the honeycomb duct, and when not using the honeycomb duct, accessible slip rubber ring removes the end cover to the upper end of installation pole, avoids causing the interference to the centrifugation simultaneously.

Further inject, be equipped with the spring between first layer board and the second rotating electrical machines main part, the spring cup joints on the step shaft, and both ends respectively with first layer board and second rotating electrical machines main part fixed connection, its is intentional lies in, and the stability of first mounting panel can be guaranteed to the spring, avoids mounting panel and reaction household utensils together rotatory, causes the poor problem of stirring effect.

Further inject, the upper end of a distillation column is equipped with the limiting plate, the middle part of limiting plate is equipped with the through-hole, be equipped with the silica gel layer on the through-hole inner wall, its is intentional lies in, and it is rotatory to avoid the theme of reaction household utensils, influences inside stirring vane's rotatory effect, causes the problem of stirring effect variation, also can set up the silica gel layer on the lantern ring of course and rotate spacingly to the reaction theme.

The fixed rod is further limited, the fixed rod is connected with the end cover through bolts, the distance between the end cover and the end part of the fixed rod can be changed by adjusting the connection length of the bolts, the reaction vessels with different heights can be adapted, the end cover is convenient to install, meanwhile, the fixed rod can incline due to the fact that the lengths of the bolts at the two ends are inconsistent after the end cover and the reaction vessel are fixed tightly, the inclination of the flow guide pipe is achieved, the distilled solution is convenient to collect, and the flow guide effect is improved.

The rotating device is characterized in that a fixing rod is convenient to rotate, and parts such as an end cover on the fixing rod are enabled to avoid a reaction vessel during centrifugation, so that interference is avoided.

The technical effect of the technical scheme is as follows:

(1) The device can be used for preparing the nano fluorescent material, meets the requirements of stirring and mixing, solution centrifugation, solution distillation and crystal drying in the preparation process, and improves the preparation efficiency of the nano fluorescent material. (2) Through the cooperation of the reaction vessel and the stirring centrifugal mechanism, one station can meet the requirements of stirring and centrifugation, and the volume of the device is reduced.

Drawings

Fig. 1 is a perspective view of the device.

Fig. 2 is a perspective view of the device from another angle.

Fig. 3 is a schematic top view of the apparatus.

Fig. 4 is a schematic rear view cross-sectional view of the device.

Fig. 5 is a schematic view in elevation and section of the present device.

FIG. 6 is a perspective view of the stirring centrifugal mechanism of the present device.

FIG. 7 is a perspective view of the reaction vessel of the present apparatus.

Reference numerals

The device comprises a base 1, a first rotating motor 2, a rotary table 3, a fourth rotating motor 4, an installation rod 5, a rubber ring 6, a flow guide pipe 7, an end cover 8, a fixing rod 9, a second rotating motor 10, a stepped shaft 11, a first supporting plate 12, a spring 13, a second supporting plate 14, a limiting ring 16, a rotating shaft 17, an upright post 18, a lantern ring 19, a hollow main body 20, a drying cylinder 21, an electric heating wire 22, a third rotating motor 23, a distillation cylinder 24, a partition plate 26, a receiving cylinder 28, a limiting cylinder 29, a clamping groove 30 and a clamping convex block 31.

Detailed Description

The following is further detailed by way of specific embodiments:

a preparation device of fluorescent nano-materials comprises a control system, can be controlled by a single chip microcomputer and is used for coordinating the work of each part of the device, and further comprises a base 1, a rotary table 3 and a first rotating motor 2, wherein the first rotating motor 2 is arranged between the base 1 and the rotary table 3 and is used for driving the rotary table 3 to rotate above the base 1, the edge of the rotary table 3 is provided with at least 4 uniformly distributed station holes, a stirring centrifugal mechanism, a distillation generating mechanism, a drying mechanism and a distillation receiving mechanism are sequentially and respectively arranged in the station holes, and the middle part of the rotary table 3 is provided with a distillation transition mechanism; the reaction vessel comprises a hollow main body 20, a rotating shaft 17 is arranged in the middle of the bottom surface of the hollow main body 20, a stirring blade is arranged at one end, located inside the hollow main body 20, of the rotating shaft 17, and a clamping groove 30 is arranged at one end, located outside the hollow main body 20, of the rotating shaft 17;

The stirring centrifugal mechanism comprises a second rotating motor 10 fixed on the lower portion of a rotary table 3, an output shaft of the second rotating motor 10 is a stepped shaft 11 with a large upper portion and a small lower portion, external threads are arranged on the upper portion of the stepped shaft 11, a first supporting plate 12 is arranged on the stepped shaft 11, a through hole is formed in the middle of the first supporting plate 12, internal threads matched with the external threads are arranged on the inner wall of the through hole, stand columns 18 with one ends fixedly connected with the first supporting plate 12 are symmetrically arranged on the first supporting plate 12, the other ends of the stand columns 18 extend to the upper portion of the rotary table 3, lantern rings 19 are arranged between the stand columns 18 which are symmetrically arranged, the side faces of the lantern rings 19 are connected with the stand columns 18 through bolts, the stirring centrifugal mechanism further comprises a second supporting plate 14 arranged on the upper end of the stepped shaft 11, a limiting ring 16 is arranged in the middle of the second supporting plate 14, and clamping lugs 31 matched with clamping grooves 30 are arranged inside the limiting ring 16. The positions of the catching projection 31 and the catching groove 30 may be interchanged, and the shape is a cross shape.

The working principle of the stirring centrifugal mechanism is as follows:

according to the stirring principle, a reaction vessel is placed in the lantern ring 19, the lantern ring 19 limits the reaction vessel, meanwhile, the clamping groove 30 of the rotating shaft 17 at the lower end of the reaction vessel is matched with the clamping lug 31 in the limiting ring 16, and at the moment, the first supporting plate 12 is not in threaded connection with the stepped shaft 11, so that when the second rotating motor 10 rotates, the second supporting plate 14 is driven to rotate, namely, the rotating shaft 17 is driven to rotate, namely, the stirring blades are driven to rotate, and stirring of raw materials in the reaction vessel is realized;

centrifugal principle, with first layer board 12 and the epaxial outer threaded connection of integration, first layer board 12 rises for the position of step shaft 11 bottom this moment, even joint lug 31 and joint recess 30 break away from, because rotate between lantern ring 19 and the stand 18 and be connected, elasticity through rotating the bolt, the realization is to the rotation of lantern ring 19, it is fixed in vertical direction to make lantern ring 19 slope, therefore when the second motor is rotatory, the solution in the reaction household utensils that the slope set up is under the effect of centrifugal force, solid-liquid separation will be realized, thereby reach centrifugal purpose.

The drying mechanism comprises a drying cylinder 21, the upper end of the drying cylinder 21 is communicated with the station hole, a partition plate 26 is arranged at the bottom of the drying cylinder 21, and an electric heating wire 22 is arranged in the partition plate 26. The heating wire 22 further includes a power supply and the like, which are not described in detail for the prior art.

The principle of the drying mechanism is as follows:

the reaction vessel is placed in the drying cylinder 21, and then the heating wire 22 is turned on to heat the reaction vessel, so as to dry the internal crystals.

The distillation receiving mechanism comprises a receiving barrel 28, the upper end of the receiving barrel 28 is communicated with the limiting hole, and a limiting barrel 29 is arranged in the receiving barrel 28.

Distillation transition mechanism is including installation pole 5, logical groove has been seted up on installation pole 5, rubber ring 6 has been cup jointed on the installation pole 5, be equipped with dead lever 9 on the rubber ring 6, dead lever 9 is located logical inslot, the both ends of dead lever 9 all are equipped with the end cover that matches the use with reaction household utensils upper portion opening, the end cover middle part is equipped with the through-hole, and be equipped with honeycomb duct 7 between the end cover, honeycomb duct 7's both ends respectively with the through-hole intercommunication on the end cover, and honeycomb duct 7 is located the logical inslot of installation ann.

The distillation generating mechanism comprises a third rotating motor 23, a distillation barrel 24, the upper end of the distillation barrel 24 is communicated with a station hole, a partition plate 26 is arranged at the bottom of the distillation barrel 24, a heating wire 22 is arranged between the lower surface of the partition plate 26 and the bottom of the distillation barrel 24, heat-conducting solution is arranged in the upper space of the partition plate 26, the heat-conducting solution is oil, specifically olive oil, the end portion of the third rotating motor 23 extends to the upper portion of the partition plate 26, a limiting ring 16 is arranged on the end portion of the third rotating motor, and a clamping protruding block 31 matched with a clamping groove 30 is arranged in the limiting ring 16.

The distillation principle is as follows:

the reaction vessel is placed in the distillation barrel 24, then the power supply of the heating wire 22 is started to heat the heat conducting solution, the solution is evaporated through heat transfer, the third rotating motor 23 is started to drive the stirring blade to rotate in the evaporation process, and the effect of evaporating the solution is improved. Spacing section of thick bamboo 29 is spacing to the reaction household utensils, guarantees its stability, promotes distillation effect through end cover seal, then collects in the leading-in reaction household utensils of receiving tube 28 of steam that will form through honeycomb duct 7, and when not using honeycomb duct 7, accessible slip rubber ring 6 removes the end cover to the upper end of installation pole 5 simultaneously, avoids causing the interference to the centrifugation.

Be equipped with spring 13 between first layer board 12 and the second rotating electrical machines 10 main part, spring 13 cup joints on step shaft 11, and both ends respectively with first layer board 12 and the 10 main parts fixed connection of second rotating electrical machines, the stability of first mounting panel can be guaranteed to spring 13, avoids mounting panel and reaction household utensils co-rotation, causes the poor problem of stirring effect.

The upper end of a distillation column 24 is equipped with the limiting plate, and the middle part of limiting plate is equipped with the through-hole, is equipped with the silica gel layer on the through-hole inner wall, and it is rotatory to avoid the theme of reaction household utensils, influences inside stirring vane's rotatory effect, causes the problem of stirring effect variation, also can set up the silica gel layer and rotate spacingly to the reaction theme certainly on the lantern ring 19.

Adopt bolted connection between dead lever 9 and the end cover 8, through adjusting bolt's connection length, can change the distance of end cover 8 and dead lever 9 tip, adaptable not co-altitude reaction household utensils, the installation of the end cover 8 of being convenient for simultaneously, simultaneously because rubber ring 6 is soft, after end cover 8 is fixed inseparable with the reaction household utensils, because the length of both ends bolt is inconsistent, can cause dead lever 9 slope promptly, honeycomb duct 7 slope has been realized promptly, the collection of the distilled solution of being convenient for promotes the water conservancy diversion effect.

A fourth rotating motor 4 is arranged between the mounting rod 5 and the turntable 3, the output end of the fourth rotating motor 4 is fixedly connected with the end part of the mounting rod 5, so that the fixing rod 9 can rotate conveniently, parts such as an end cover on the fixing rod can avoid a reaction vessel during centrifugation, and interference is avoided.

It should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are used broadly in the present invention, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The foregoing is merely an example of the present invention and common general knowledge of the known specific mechanisms and features of the schemes is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the mechanism of the present invention, several variations and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The preparation device of the fluorescent nano material is characterized by comprising a base, a rotary table and a first rotating motor, wherein the first rotating motor is arranged between the base and the rotary table and used for driving the rotary table to rotate above the base, the edge of the rotary table is provided with at least 4 uniformly distributed station holes, a stirring centrifugal mechanism, a distillation generating mechanism, a drying mechanism and a distillation receiving mechanism are sequentially and respectively arranged in the station holes, and the middle part of the rotary table is provided with a distillation transition mechanism; the reaction vessel comprises a hollow main body, a rotating shaft is arranged in the middle of the bottom surface of the hollow main body, a stirring blade is arranged at one end of the rotating shaft, which is positioned in the hollow main body, and a clamping groove is arranged at one end of the rotating shaft, which is positioned outside the hollow main body;

the stirring centrifugal mechanism is used for uniformly stirring and mixing the raw materials in the reaction vessel and carrying out centrifugal operation on the mixed solution; the distillation generation mechanism is used for distilling the mixed solution in the reaction vessel, the distillation transition mechanism is used for guiding the evaporated solution into the reaction vessel in the distillation receiving mechanism, the distillation receiving mechanism is used for placing the evaporated solution in the reaction vessel to form condensed water after the evaporated solution is received, and the drying mechanism is used for drying a crystalline object formed by mixing raw materials in the reaction vessel;

the stirring centrifugal mechanism comprises a second rotating motor fixed at the lower part of the turntable, an output shaft of the second rotating motor is a stepped shaft with a large upper part and a small lower part, external threads are arranged at the upper part of the stepped shaft, a first supporting plate is arranged on the stepped shaft, a through hole is arranged in the middle of the first supporting plate, internal threads matched with the external threads are arranged on the inner wall of the through hole, stand columns with one ends fixedly connected with the first supporting plate are symmetrically arranged on the first supporting plate, the other ends of the stand columns extend to the upper part of the turntable, lantern rings are arranged between the stand columns which are symmetrically arranged, the side faces of the lantern rings are connected with the stand columns through bolts, the stirring centrifugal mechanism also comprises a second supporting plate arranged at the upper end of the stepped shaft, a limiting ring is arranged in the middle of the second supporting plate, and clamping convex blocks matched with clamping grooves are arranged inside the limiting ring;

the distillation generating mechanism comprises a third rotating motor and a distillation barrel, the upper end of the distillation barrel is communicated with the station hole, a partition plate is arranged at the bottom of the distillation barrel, an electric heating wire is arranged between the lower surface of the partition plate and the bottom of the distillation barrel, heat conducting solution is arranged in the upper space of the partition plate, the end part of the third rotating motor extends to the upper part of the partition plate, a limiting ring is arranged on the end part of the third rotating motor, and a clamping convex block matched with the clamping groove is arranged in the limiting ring;

the drying mechanism comprises a drying cylinder, the upper end of the drying cylinder is communicated with the station hole, a partition plate is arranged at the bottom of the drying cylinder, and an electric heating wire is arranged in the partition plate;

the distillation receiving mechanism comprises a receiving barrel, the upper end of the receiving barrel is communicated with the limiting hole, and a limiting barrel is arranged in the receiving barrel;

the distillation transition mechanism comprises an installation rod, a through groove is formed in the installation rod, a rubber ring is sleeved on the installation rod, a fixed rod is arranged on the rubber ring and located in the through groove, end covers matched with openings in the upper portion of a reaction vessel are arranged at two ends of the fixed rod, a through hole is formed in the middle of each end cover, a flow guide pipe is arranged between the end covers, two ends of the flow guide pipe are communicated with the through holes in the end covers respectively, and the flow guide pipe is located in the through groove of the installation rod.

2. The apparatus of claim 1, wherein a spring is disposed between the first support plate and the second rotating electric machine body, the spring is sleeved on the stepped shaft, and two ends of the spring are respectively fixedly connected to the first support plate and the second rotating electric machine body.

3. The apparatus according to claim 1, wherein a limiting plate is disposed at an upper end of the distillation barrel, a through hole is disposed at a middle portion of the limiting plate, and a silica gel layer is disposed on an inner wall of the through hole.

4. The apparatus as claimed in claim 1, wherein the fixing rod is connected to the end cap by a bolt.

5. The apparatus according to claim 1, wherein a fourth rotating electrical machine is disposed between the mounting rod and the turntable, and an output end of the fourth rotating electrical machine is fixedly connected to an end of the mounting rod.