CN211725733U

CN211725733U - Aerospace aerogel preparation device

Info

Publication number: CN211725733U
Application number: CN201921548416.1U
Authority: CN
Inventors: 邓伟杰; 潘秀红; 陈锟; 艾飞; 盖立君; 温海琴; 汤美波; 张明辉
Original assignee: Shanghai Institute of Ceramics of CAS
Current assignee: Shanghai Institute of Ceramics of CAS
Priority date: 2019-09-18
Filing date: 2019-09-18
Publication date: 2020-10-23
Anticipated expiration: 2029-09-18

Abstract

An object of the utility model is to provide a device is prepared to space aerogel to solve the problem that the aerogel does not have convenient equipment of preparing. Including the upper plate that top-down set gradually, the lifter plate, commentaries on classics board and bottom plate, the cylinder device is installed to the top of upper plate, the one end of cylinder device is connected with the hyaline tube, the inside of upper plate is provided with downwardly extending's dead lever, the circumference center department of upper plate is provided with downwardly extending and passes the lifter plate in proper order and changes the steel wire pole of board to bottom plate, bottom plate and bottom plate are connected to the dead lever, elevator motor has been cup jointed to the steel wire pole circumference outside of lifter plate upper end, be provided with the solenoid valve on the outer wall of lifter plate upper end, the lower extreme and the solenoid valve fixed connection of hyaline tube, set up reation kettle on the upper end outer wall of lifter plate, the lifter plate passes through stopper and dead lever fixed connection, be provided with heating device and magnetic field agitator on the upper end outer wall of.

Description

Aerospace aerogel preparation device

Technical Field

The utility model belongs to the technical field of the aerogel is relevant, concretely relates to device is prepared to space flight aerogel.

Background

Aerogel, also called xerogel, is a solid gel when most of the solvent is removed from the gel, so that the liquid content in the gel is much less than the solid content, or the space network structure of the gel is filled with gas, and the appearance is solid. Such as gelatin, gum arabic, silica gel, hair, nail, etc., and the aerogel has gel properties, such as swelling, thixotropic, and de-sizing effects.

Generally, the preparation of aerogel includes two procedures of sol-gelation process and gel drying, under the condition of ground gravity, the product uniformity in the sol-gelation process is poor due to the sedimentation effect, and the structural defects are caused by the easy collapse caused by the existence of self gravity in the drying process. Therefore, the preparation of the aerospace aerogel in the space environment plays an important role in improving the performance of the aerogel. The prior art for preparing the aerospace aerogel has the following problems: the existing space aerogel preparation device only has the capacity of a sol-gelation process and does not have the drying capacity, and the product needs to be returned to the ground for drying; in addition, gravity convection action is greatly weakened in the space environment, and diffusion is the main form of mass transportation, so that the sol process is slow, the solution is easy to be uneven, a certain stirring action is needed, and the existing aerospace aerogel preparation device cannot realize on-track stirring. Therefore, in order to better develop and prepare high-quality aerospace aerogel products, it is necessary to develop an aerogel preparation device which has complete functions and can be conveniently used for working in a microgravity environment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a device is prepared to space aerogel to the aerogel of proposing does not have the convenient problem of preparing equipment in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a space aerogel preparation device comprises an upper bottom plate, a lifting plate, a rotating plate and a bottom plate which are sequentially arranged from top to bottom, wherein a needle cylinder device is arranged above the upper bottom plate, one end of the needle cylinder device is connected with a transparent tube, a fixed rod which extends downwards is arranged inside the upper bottom plate, a steel wire rod which extends downwards and sequentially penetrates through the lifting plate and the rotating plate to the bottom plate is arranged at the center of the circumference of the upper bottom plate, the fixed rod is connected with the upper bottom plate and the bottom plate, a lifting motor is sleeved outside the circumference of the steel wire rod at the upper end of the lifting plate, an electromagnetic valve is arranged on the outer wall at the upper end of the lifting plate, the lowest end of the transparent tube is fixedly connected with the electromagnetic valve, a reaction kettle is arranged on the outer wall at the upper end of the lifting plate, the lifting plate is fixedly connected with, the steel wire rod circumference outer wall of the below of commentaries on classics board has cup jointed the gear, bottom plate upper end outer wall is provided with the motor, motor and gear connection, step motor, elevator motor, magnetic field agitator and motor all pass through external power source electric connection.

Compared with the prior art, the utility model discloses the device is prepared to space flight aerogel that the device provided has the integration function of sol-gelatinization, the dry twice process of heating, can realize the ability of the effective solution stirring in the orbit, still possesses following beneficial effect: the utility model discloses make the preparation of aerogel become more convenient, whole flow of preparing all only needs this equipment, does not need other operations, also does not need other instruments, has made things convenient for the preparation of aerogel more, and whole operation flow all is full-automatic moreover, does not need the manpower to carry out relevant operation, has saved the manpower for the preparation of aerogel is more convenient. The utility model discloses a liquid is annotated out through step motor by a top layer set of cylinder device (irritate the solution of waiting to react and catalyst solvent of a certain proportion in advance), after liquid reenters reation kettle through the solenoid valve, at this moment second floor elevator motor descends, the solenoid valve prevents the liquid backward flow that gets into, the third floor passes through the motor rotation immediately, accurate the top that falls on the magnetic field agitator, evenly stir 20 minutes through the operation of magnetic field agitator, then stop stirring, after static 60 minutes, the liquid in the reation kettle forms the gel, the motor of rethread second floor rises, descend, and the third floor motor rotates, it heats in the heating apparatus to form the aerogel to fall, make the preparation of aerogel become more convenient like this, whole preparation flow all only needs this equipment, do not need other operations, also need not other instruments, the preparation of aerogel has been made things convenient more, and the whole operation flow is full-automatic, does not need manpower to carry out related operations, saves the manpower, and makes the preparation of the aerogel more convenient.

Specifically, the aerospace aerogel preparation device comprises a needle cylinder device and an upper base plate, wherein the upper end of the upper base plate is provided with the needle cylinder device, the needle cylinder device is provided with a pushing sheet, a rotating rod is arranged inside the circumference of the pushing sheet, one end of the rotating rod is fixedly connected with a stepping motor, a needle cylinder sleeve is arranged on the outer wall of the pushing sheet on the upper side of the rotating rod, the outer wall of the left end of the needle cylinder device is connected with the stepping motor, a connecting port is arranged inside the circumference of the upper base plate, the right end of the needle cylinder device is connected with a transparent tube, the lowest end of the transparent tube penetrates through the connecting port and is arranged on the lower side of the upper base plate, a fixing rod extending downwards is arranged inside the circumference of the upper base plate close to the right end, a steel wire rod extending downwards is arranged at the center of the circumference of the upper base plate, a lifting plate, the outer part of the circumference of a steel wire rod at the upper end of the lifting plate is sleeved with a lifting motor, the outer wall of the upper end of the lifting plate at the right side of the lifting motor is provided with a solenoid valve, the lowest end of the transparent tube is fixedly connected with the outer wall of the circumference of the solenoid valve close to the lower side, the outer wall of the upper end of the lifting plate at the front side of the solenoid valve is provided with a reaction kettle, the reaction kettle and the solenoid valve are fixedly connected through a connecting pipe, the outer wall of the rightmost side at the upper end of the lifting plate is provided with a limit block, the lifting plate is fixedly connected with a fixed rod through the limit block, the lower side of the lifting plate is provided with a rotating plate, the lower end of the steel wire rod penetrates through the rotating plate and is arranged at the lower side of the rotating plate, the outer wall of the upper end of the rotating, the utility model discloses a gear, including the dead lever, bottom plate, gear, be connected with the motor on the mount, the bottom of dead lever is provided with on the bottom plate upper end outer wall, bottom plate upper end outer wall center department is provided with fixed cover, the bottom end of wire rod cup joints inside the circumference of fixed cover, the gear has been cup jointed on the wire rod circumference outer wall of fixed cover upside, be provided with the mount on the bottom plate upper end outer wall on gear right side, be connected with the motor on the mount, the left end and the gear fixed connection of motor, step motor, elevator motor, magnetic field agitator and.

Preferably, the number of the needle cylinder devices is three, the three needle cylinder devices are identical in size and shape, one end of each of the three needle cylinder devices is provided with a stepping motor, and the other end of each of the three needle cylinder devices is connected with a transparent tube.

Preferably, the solenoid valve is provided with six altogether the big or small shape of solenoid valve is all the same, reation kettle is provided with three altogether the big or small shape of reation kettle is all the same, six solenoid valve and three reation kettle all set up on lifter plate upper end outer wall.

Preferably, the diameter of the steel wire rod is larger than that of the fixing rod.

Preferably, the motor works to drive the gear to rotate, and the gear drives the rotating plate to rotate.

Preferably, the diameters of the upper bottom plate and the bottom plate are the same, the diameter of the upper bottom plate is larger than that of the lifting plate, and the diameter of the lifting plate is larger than that of the rotating plate.

Preferably, the fixed rods are four in number, the fixed rods are identical in size and shape, and the fixed rods are arranged on the outer wall of the circumference of the upper end of the bottom plate at equal intervals.

Drawings

FIG. 1 is a schematic view of the overall structure of an aerospace aerogel manufacturing apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic top view of the upper plate of the aerospace aerogel-making apparatus according to the embodiment of FIG. 1;

FIG. 3 is a schematic top view of the lifting plate of the aerospace aerogel-making apparatus according to the embodiment of FIG. 1;

FIG. 4 is a schematic top view of a rotating plate of the aerospace aerogel-making apparatus according to the embodiment of FIG. 1;

FIG. 5 is a schematic diagram of the front structure of the bottom plate of the aerospace aerogel production device according to the embodiment shown in FIG. 1;

reference numerals: 1. a stepping motor; 2. a syringe device; 3. an upper base plate; 4. a transparent tube; 5. a connecting port; 6. fixing the rod; 7. a limiting block; 8. an electromagnetic valve; 9. a reaction kettle; 10. a steel wire rod; 11. a heating device; 12. a base plate; 13. rotating the plate; 14. a magnetic field stirrer; 15. a lifting plate; 16. a lifting motor; 17. a connecting pipe; 18. a fixed mount; 19. a motor; 20. fixing a sleeve; 21. a gear; 22. a push sheet; 23. a rotating rod; 24. a syringe sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-5, the aerospace aerogel manufacturing apparatus of the present invention includes an upper plate 3, a lifting plate 15, a rotating plate 13, and a bottom plate 12, which are sequentially disposed from top to bottom.

As shown in fig. 1 and 2, a syringe device 2 is mounted on the upper end of the upper plate 3. The syringe device 2 may be provided with 1 or more. Syringe device 2 is made by the stainless steel in this embodiment, is provided with three altogether, and three syringe device 2's size shape is all the same, and three syringe device 2's one end all is provided with step motor 1, and three syringe device 2's the other end all is connected with hyaline tube 4, connects through hyaline tube 4 and can be convenient for observe inside behavior. Acetic acid and sodium silicate diluted in proportion are filled in the syringe device 2 in advance respectively.

Specifically, as shown in fig. 2, the syringe device 2 is provided with a push piece 22, and a rotary lever 23 is provided inside the perimeter of the push piece 22. One end of the rotating rod 23 is fixedly connected with the stepping motor 1. The outer wall of the pushing sheet 22 is provided with a syringe sleeve 24. The stepping motor 1 works to drive the rotating rod 23 to rotate and drive the pushing sheet 22 to move forward to push the injection liquid in the syringe sleeve 24 into the transparent tube 4. A stepping motor 1 is connected to an outer wall of one end (e.g., left end shown in fig. 1) of the syringe device 2. A connection port 5 is provided inside the circumference of the upper plate 3. The other end (e.g., the right end as viewed in fig. 1) of the syringe device 2 is connected to a transparent tube 4. The lowermost end of the transparent tube 4 extends to the lower side of the upper plate 3 through the connection port 5. In the present embodiment, two transparent tubes 4 are provided for each syringe device 2.

The circumference of the upper bottom plate 3 is provided with a plurality of fixing rods 6 extending downwards, and the fixing rods can be arranged on the circumference of the upper bottom plate 3 in a plurality, for example 2-4. A downwardly extending wire rod 10 is provided at the circumferential center of the upper plate 3. The diameter of the steel wire rod 10 is larger than that of the fixing rod 6, the steel wire rod 10 is used for driving the lifting plate 15 and the rotating plate 13 to move through the lifting motor 16 and the motor 19, the fixing rod 6 is mainly used for supporting and fixing the upper bottom plate 3 and the bottom plate 12, and therefore the diameter of the steel wire rod 10 is larger than that of the fixing rod 6. The lower side of the upper base plate 3 is provided with a lifting plate 15. The lower end of the wire rod 10 extends to the lower side of the lifting plate 15 through the lifting plate 15. A lifting motor 16 is sleeved outside the circumference of the steel wire rod 10 at the upper end of the lifting plate 15. Besides the lifting motor 16, the outer wall of the upper end of the lifting plate 15 is also provided with an electromagnetic valve 8. The lowest end of the transparent tube 4 is fixedly connected with the outer wall of the circumference of the electromagnetic valve 8 close to the lower side. The outer wall of the upper end of the lifting plate 15 is also provided with a reaction kettle 9. The reaction kettle 9 and the electromagnetic valve 8 are fixedly connected through a connecting pipe 17. In one embodiment, six electromagnetic valves 8 are provided. The six electromagnetic valves 8 are all the same in size and shape. Three reaction kettles 9 are arranged in total. The three reaction kettles 9 have the same size and shape. Six solenoid valves 8 and three reation kettle 9 all set up on 15 upper end outer walls of lifter plate. Two electromagnetic valves 8 and a reaction kettle 9 are in a group, 3 groups are provided, the number of the groups corresponds to that of the needle cylinder devices 2, and the two transparent tubes 4 of each needle cylinder device 2 are respectively connected with the group of electromagnetic valves 8. Each group of electromagnetic valves 8 is fixedly connected with the reaction kettle 9 through a connecting pipe 17.

Meanwhile, in order to enable the lifting plate 15 to move up and down through the lifting motor 16, the edge of the outer wall of the upper end of the lifting plate 15 is provided with a limiting block 7, the lifting plate 15 can be lifted more stably due to the existence of the limiting block 7, and the lifting plate 15 is fixedly connected with the fixing rod 6 through the limiting block 7. The limiting block 7 can be provided in plurality according to the number and position of the fixing rods 6. The rotating plate 13 is arranged at the lower side of the lifting plate 15. The lower end of the wire rod 10 extends through the rotating plate 13 to the lower side of the rotating plate 13. The outer wall of the upper end of the rotating plate 13 is provided with a heating device 11. The outer wall of the upper end of the rotating plate 13 is also provided with a magnetic field stirrer 14, and the essence of the magnetic field stirrer 14 is to enhance the movement of the liquid by means of electromagnetic force induced in the device, thereby enhancing the convection, heat transfer and mass transfer processes of the liquid. A bottom plate 12 is provided on the lower side of the rotating plate 13.

In the present embodiment, four fixing bars 6 are provided. The four fixing rods 6 are all the same in size and shape. Four fixing bars 6 are respectively provided between the bottom plate 12 and the upper plate 3 at equal intervals in the circumferential direction. The plurality of fixing bars 6 makes the connection between the upper plate 3 and the lower plate 12 more firm. The diameters of the upper plate 3 and the lower plate 12 are the same. The diameter of the upper plate 3 is larger than that of the lifting plate 15. The diameter of the lifting plate 15 is larger than that of the rotating plate 13. The elevating plate 15 is provided inside the four fixing bars 6. Is fixedly connected with the fixed rod 6 through a limited block 7. The lowest end of the steel wire rod 10 is arranged on the outer wall of the upper end of the bottom plate 12. The lowest end of the fixing rod 6 is arranged on the outer wall of the upper end of the bottom plate 12.

Referring to fig. 5, a fixing sleeve 20 is disposed at the center of the outer wall of the upper end of the bottom plate 12, and the lowest end of the steel screw rod 10 is sleeved inside the circumference of the fixing sleeve 20. The gear 21 is sleeved on the outer wall of the circumference of the steel wire rod 10 at the upper side of the fixed sleeve 20. The gear 21 and the rotating plate 13 are fixed integrally by screws. A fixed frame 18 is provided on the outer wall of the upper end of the bottom plate 12 near the gear 21 (for example, on the right side of the gear shown in fig. 5), and a motor 19 is connected to the fixed frame 18. The left end of the motor 19 is engaged and fixedly connected with the gear 21, and the motor 19 works to drive the gear 21 to rotate the rotating plate 13 together. The stepping motor 1, the lifting motor 16, the magnetic field stirrer 14 and the motor 19 are electrically connected through an external power supply.

Working method and principle

After the experimental device is installed, liquid is injected out of the needle cylinder sleeve 24 at the top layer through the stepping motor 1 (sodium silicate and acetic acid are injected in a certain proportion in advance), wherein by means of the stepping motor 1, after the liquid passes through the electromagnetic valve 8 and enters the reaction kettle 9 again, the lifting motor 16 at the second layer descends, the electromagnetic valve 8 prevents the liquid from flowing back, the rotating plate 13 rotates through the motor 19, and the model of the motor 19 can be as follows: 57BL70-240, liquid accurately falls on the top of magnetic field stirring appearance 14, through the even stirring of the operation of magnetic field stirring appearance 14 for 20 minutes, then stop stirring, static 60 minutes back, the liquid in reation kettle 9 forms the gel, the elevator motor 16 of rethread second floor rises, descends to make the stirring more even, and third layer motor 19 is rotatory, makes reation kettle 9 fall and heats and form the aerogel in heating device 11.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Device is prepared to space aerogel, its characterized in that: comprises an upper bottom plate (3), a lifting plate (15), a rotating plate (13) and a bottom plate (12) which are sequentially arranged from top to bottom, wherein a needle cylinder device (2) is arranged above the upper bottom plate (3), one end of the needle cylinder device (2) is connected with a transparent tube (4), the other end of the needle cylinder device is connected with a stepping motor (1), the needle cylinder device (2) injects liquid into the transparent tube (4) through the stepping motor (1), a fixing rod (6) which extends downwards is arranged inside the upper bottom plate (3), a steel wire rod (10) which extends downwards and sequentially penetrates through the lifting plate (15) and the rotating plate (13) to the bottom plate (12) is arranged at the center of the circumference of the upper bottom plate (3), the fixing rod (6) is connected with the upper bottom plate (3) and the bottom plate (12), a lifting motor (16) is arranged at the upper end of the lifting plate (15), and the lifting motor (16) is sleeved outside the circumference of a steel wire rod, the steel wire rod (10) is driven by the lifting motor (16) to move up and down the lifting plate (15), the electromagnetic valve (8) is arranged on the outer wall of the upper end of the lifting plate (15), the lowest end of the transparent tube (4) is fixedly connected with the electromagnetic valve (8), the reaction kettle (9) fixedly connected with the electromagnetic valve (8) through a connecting tube is arranged on the outer wall of the upper end of the lifting plate (15), the lifting plate (15) is fixedly connected with the fixing rod (6) through a limiting block (7), the outer wall of the upper end of the rotating plate (13) is provided with a heating device (11) and a magnetic field stirrer (14), the outer wall of the circumference of the steel wire rod (10) below the rotating plate (13) is sleeved with a gear (21), the outer wall of the upper end of the bottom plate (12) is provided with a motor (19), the motor (19) is connected with the gear (21), and the motor (19) works to drive the gear, the gear (21) drives the rotating plate (13) to rotate; the stepping motor (1), the lifting motor (16), the magnetic field stirrer (14) and the motor (19) are electrically connected through an external power supply.

2. An aerospace aerogel production apparatus as claimed in claim 1, wherein: the three needle cylinder devices (2) are arranged, the size and the shape of the three needle cylinder devices (2) are the same, one end of each of the three needle cylinder devices (2) is provided with a stepping motor (1), and the other end of each of the three needle cylinder devices (2) is connected with a transparent tube (4).

3. An aerospace aerogel production apparatus as claimed in claim 1, wherein: solenoid valve (8) are provided with six altogether the big or small shape homogeneous phase of solenoid valve (8) is provided with threely, three reation kettle (9) are provided with threely totally the big or small shape homogeneous phase of reation kettle (9) is six solenoid valve (8) and three reation kettle (9) all set up on lifter plate (15).

4. An aerospace aerogel production apparatus as claimed in claim 1, wherein: the diameter of the upper bottom plate (3) is the same as that of the bottom plate (12), the diameter of the upper bottom plate (3) is larger than that of the lifting plate (15), and the diameter of the lifting plate (15) is larger than that of the rotating plate (13).

5. An aerospace aerogel production apparatus as claimed in claim 1, wherein: the fixing rods (6) are four in number, the fixing rods (6) are identical in size and shape, and the fixing rods (6) are arranged on the outer wall of the circumference of the upper end of the bottom plate (12) at equal intervals.