CN110607622A - A high-efficiency special spinning solution impregnation equipment for electrospinning nanofibers - Google Patents

Abstract

The invention discloses a high-efficiency special spinning liquid infiltration equipment for electrospinning nanofibers, which includes a shell, a drying device, an infiltration chamber and a winding roller. The shell is fixed at one end of the top of the bottom plate, and Both ends are provided with baffles, one end of the housing is provided with a dust removal chamber, and the other end of the housing is provided with a drying chamber, and the central position of the housing is provided with an infiltration chamber, and the infiltration chamber , the dust removal chamber and the drying chamber are evenly arranged with partitions, the other end of the top of the bottom plate is fixed with a winding roller through the frame body, and a servo motor is installed on one side of the frame body, and the output end of the servo motor passes through The rotating shaft is connected with the winding roller. The invention is equipped with a shell dust removal chamber, a vacuum cleaner and a dust collection box. The vacuum cleaner uses an internal motor to drive the blades to rotate at high speed, and generates air negative pressure in its sealed shell to absorb dust impurities contaminated on the transported electrospun nanofibers. .

Description

A high-efficiency special spinning solution impregnation equipment for electrospinning nanofibers

technical field

The invention relates to the technical field of infiltration equipment, in particular to a high-efficiency special spinning solution infiltration equipment for electrospinning nanofibers.

Background technique

Compared with ordinary fibers, nanofibers have the advantages of large specific surface area and high porosity, and are widely used in filter media materials, electronic optical materials, superhydrophobic materials, biomedical functional materials, reinforced composite materials, small-diameter artificial blood vessels, nerve guides etc., while electrospinning technology is a commonly used technology for preparing nanofibers. It has a wide range of applications and is easy to operate. In the production process, electrospinning nanofibers need to be infiltrated with spinning liquid, but the existing infiltration equipment structure Simple and single-function, the specific problems are as follows;

1. Most of these devices do not have the function of dust removal, and the electrospun nanofibers are easy to be stained with dust and impurities in the air before infiltration, which affects the infiltration effect;

2. This type of device simply soaks the electrospun nanofibers into the spinning solution, which is prone to incomplete infiltration;

3. Most of these devices do not have a drying function. After soaking, it needs to be air-dried naturally, and the excess spinning solution cannot be collected and recycled, which is easy to cause waste, and the production efficiency is low.

Contents of the invention

The purpose of the present invention is to provide a high-efficiency special spinning liquid infiltration equipment for electrospinning nanofibers to solve the problems that such devices proposed in the above-mentioned background technology do not have dust removal function, the infiltration method is simple, not comprehensive, and do not have drying function. It is not conducive to the problem of saving spinning solution.

In order to achieve the above object, the present invention provides the following technical solution: a high-efficiency electrospinning nanofiber special spinning liquid infiltration equipment, including a housing, a drying device, an infiltration chamber and a winding roller, and one end on the top of the bottom plate is fixed with A housing, and both ends of the housing are provided with baffles, one end of the housing is provided with a dust removal chamber, and the other end of the housing is provided with a drying chamber, and the central position of the housing is An infiltration chamber is provided, and partitions are evenly arranged between the infiltration chamber, the dust removal chamber and the drying chamber. Guide rollers are installed on the tops of the partitions and baffles, and a dust collecting chamber is installed at the bottom of the dust removal chamber. box, and a first straightening roller is fixed at the central position inside the dedusting chamber, two second straightening rollers are arranged at the central position inside the infiltration chamber, and a spraying device is fixed at the top inside the infiltration chamber, the A drying device is installed on the top of the drying chamber, and a third straightening roller is fixed at the center of the drying chamber, and a water collection tank is arranged at the bottom of the drying chamber. There is a door body on the outside of the drying chamber and the outside of the infiltration chamber, and a control panel is installed on the door body outside the infiltration chamber. The other end of the top of the bottom plate is fixed with a winding roller through the frame body, and a servo motor is installed on one side of the frame body. A motor, the output end of the servo motor is connected with the winding roller through a rotating shaft.

Preferably, a vacuum cleaner is installed on one side inside the dust removal chamber, and the output end of the vacuum cleaner is connected to a dust collection box through an air duct.

Preferably, spray heads are distributed at equal intervals at the bottom of the spraying device, and the input end of the spraying device is connected to the sump through a water guide pipe, and a water pump is installed on the water guide pipe.

Preferably, a fan is fixed at the top inside the drying device, and a heating block is fixed at the bottom inside the drying device, and a temperature sensor is installed in the drying device above the heating block.

Preferably, the bottom of the drying device is evenly provided with air outlets, and the air outlets are distributed in concentric circles.

Preferably, a filter screen is fixed above the sump, and the material of the filter screen is activated carbon.

Preferably, both sides of the drying chamber above the water collection tank are provided with chutes, and both ends of the filter screen are provided with sliders matching the chute, and the filter screen is formed by the sliders and the chute. Pull mechanism.

Preferably, the first straightening roll, the second straightening roll and the third straightening roll are all provided with reserved grooves.

Preferably, both ends of the winding roller are provided with limiting hoops, and the limiting hoops are sleeved on the outside of the winding roller in a ring structure, and the limiting hoops are symmetrically distributed left and right with respect to the winding roller.

Compared with prior art, the beneficial effect of the present invention is:

(1) The high-efficiency spinning liquid infiltration equipment for electrospinning nanofibers is equipped with a shell dust removal chamber, a vacuum cleaner and a dust collection box. The vacuum cleaner uses an internal motor to drive the blades to rotate at high speed, and generates air negative pressure in its sealed shell. Adsorb the dust and impurities contaminated on the transported electrospun nanofibers, and introduce them into the dust collection box through the air duct, which is conducive to subsequent centralized cleaning and prevents the electrospun nanofibers from being polluted and affecting the subsequent infiltration effect.

(2) The high-efficiency spinning liquid infiltration equipment for electrospinning nanofibers is equipped with an infiltration chamber, a spraying device, a nozzle, and a second straightening roller. The interior of the infiltration chamber is evenly filled with spinning liquid, and the electrospun nanofibers transported Bypassing the bottom of the second straightening roller not only plays the role of straightening, but also ensures that the electrospun nanofibers are placed in the spinning solution and fully infiltrated. The surface of the fiber enables wetting without dead angle during the conveying process.

(3) The high-efficiency electrospinning nanofiber spinning liquid infiltration equipment is equipped with a drying chamber, a drying device, a fan, a heating block, a temperature sensor, and an air outlet. After the heating block is energized, heat is generated, and the fan blows and Hot air is blown from the air outlet to dry the electrospun nanofibers passing below, and the excess spinning liquid attached to the electrospun nanofibers drops into the sump below, and is pumped back to the spraying device by the water pump on the water guide pipe In the process, the recycling of spinning solution is realized;

(4) The high-efficiency electrospinning nanofiber special spinning liquid infiltration equipment is equipped with a frame, a servo motor, a rotating shaft and a winding roller, and the servo motor drives the winding roller to rotate through the rotating shaft, and the processed electrospinning nanofibers are processed. Rewinding, at the same time, limit hoops are set at both ends of the winding roller, and the limiting hoops are sleeved on the winding roller in a ring structure, which is convenient for limiting the wound electrospun nanofibers and avoiding sliding displacement.

Description of drawings

Fig. 1 is the front view sectional structure schematic diagram of the present invention;

Fig. 2 is the appearance structure schematic diagram of the present invention;

Fig. 3 is a side view structural schematic diagram of the frame body of the present invention;

Fig. 4 is a schematic diagram of a front sectional structure of a drying device of the present invention;

Fig. 5 is a schematic diagram of the drying device of the present invention viewed from above;

Fig. 6 is a schematic diagram of an enlarged cross-sectional structure at A in Fig. 1 of the present invention;

Fig. 7 is a schematic diagram of the cross-sectional top view of the infiltration chamber of the present invention;

Fig. 8 is a system block diagram of the present invention.

In the figure: 1. Guide roller; 2. Shell; 3. Dust removal chamber; 4. Partition; 5. Spraying device; 6. Nozzle; 7. Water pipe; 8. Water pump; 9. Drying device; 901. Fan ; 902, heating block; 903, temperature sensor; 904, air outlet; 10, the third straightening roller; 11, baffle plate; 12, bottom plate; 13, drying chamber; , infiltration chamber; 17, second straightening roller; 18, dust collection box; 19, first straightening roller; 20, vacuum cleaner; 21, door body; 22, control panel; 23, winding roller; 24, frame body ; 25, limit hoop; 26, rotating shaft; 27, servo motor; 28, chute; 29, slide block; 30, reserved groove.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Figures 1-8, an embodiment provided by the present invention: a high-efficiency electrospinning nanofiber special spinning liquid infiltration equipment, including a housing 2, a drying device 9, an infiltration chamber 16 and a winding roller 23, One end on the top of the bottom plate 12 is fixed with a housing 2, and both ends inside the housing 2 are provided with baffles 11, one end inside the housing 2 is provided with a dust removal chamber 3, and the other end inside the housing 2 is provided with a drying chamber. Chamber 13, an infiltration chamber 16 is arranged at the center of the interior of the housing 2, and partitions 4 are evenly arranged between the infiltration chamber 16, the dust removal chamber 3 and the drying chamber 13, and the tops of the partitions 4 and the baffles 11 are installed There is a guide roller 1, the bottom end of the dust removal chamber 3 is provided with a dust collection box 18, and a dust collector 20 is installed on one side of the dust removal chamber 3, and the output end of the dust collector 20 is connected to the dust collection box 18 through the air duct;

The vacuum cleaner 20 uses the internal motor to drive the blades to rotate at high speed, and generates air negative pressure in its sealed shell, absorbs the dust and impurities contaminated on the transported electrospun nanofibers, and introduces them into the dust collection box 18 through the air duct, which is conducive to subsequent concentration. Clean up to prevent the electrospun nanofibers from being polluted and affecting the subsequent infiltration effect;

And the central position inside the dedusting chamber 3 is fixed with a first straightening roller 19, the central position inside the infiltration chamber 16 is provided with two second straightening rollers 17, and the top of the infiltration chamber 16 is fixed with a spraying device 5, The top inside the drying chamber 13 is equipped with a drying device 9, the top inside the drying device 9 is fixed with a blower fan 901, and the bottom end inside the drying device 9 is fixed with a heating block 902, and the drying device 9 above the heating block 902 A temperature sensor 903 is installed inside, and the model of the temperature sensor 903 can be CWDZ11. The bottom of the drying device 9 is evenly provided with air outlets 904, and the air outlets 904 are distributed in concentric circles;

After the heating block 902 is energized to generate heat, the fan 901 blows air and blows hot air from the air outlet 904 to dry the electrospun nanofibers passing below;

And the central position inside the drying chamber 13 is fixed with the third straightening roller 10, and the first straightening roller 19, the second straightening roller 17 and the third straightening roller 10 are all provided with a reserved groove 30, which is beneficial to static electricity. Spinning the delivery of nanofibers, avoiding running and shifting, the bottom of the drying chamber 13 is provided with a sump 15, the top of the sump 15 is fixed with a filter screen 14, and the material of the filter screen 14 is activated carbon, the sump 15 Both sides of the upper drying chamber 13 are provided with chute 28, and both ends of the filter screen 14 are provided with sliders 29 matching the chute 28, and the filter screen 14 forms a pulling mechanism through the slider 29 and the chute 28 ;

It is convenient to filter out the impurities in the dripping spinning solution, and at the same time, by sliding the slider 29 on the chute 28, the filter screen 14 can be pulled out and disassembled for replacement or cleaning, which is convenient and quick;

Sprinklers 6 are equidistantly distributed at the bottom of the spraying device 5, and the input end of the spraying device 5 is connected to the sump 15 through the water guide pipe 7, and the water pump 8 is installed on the water guide pipe 7, and the model of the water pump 8 can be ISGD;

The excess spinning solution attached to the electrospun nanofibers is filtered out by the filter screen 14 and then dripped into the sump 15 below. recycling;

The outsides of the dedusting chamber 3, the infiltration chamber 16 and the drying chamber 13 are all provided with a door body 21, and a control panel 22 is installed on the door body 21 outside the infiltration chamber 16. Winding roller 23, and one side of frame body 24 is equipped with servomotor 27, and the model of servomotor 27 can be Y90S-2, and the output end of servomotor 27 is connected with winding roller 23 by rotating shaft 26, and the two sides of winding roller 23 Limiting hoops 25 are arranged at both ends, and the limiting hoops 25 are all ring-shaped and sleeved on the outside of the winding roller 23, and the limiting hoops 25 are symmetrically distributed about the winding roller 23, which is convenient for limiting the wound electrospun nanofibers. position to avoid sliding displacement.

Working principle: When in use, pass one end of the electrospun nanofiber that needs infiltration treatment through the guide roller 1 on the housing 2, and then bypass the first straightening roller 19, the second straightening roller 17 and the third straightening roller in turn. The roller 10 is finally wound on the winding roller 23, and the servo motor 27 drives the winding roller 23 to rotate through the rotating shaft 26, and pulls the electrospun nanofibers to be transported in the direction of the winding roller 23. First, the vacuum cleaner 20 uses an internal motor to drive the blades to rotate at high speed. Negative air pressure is generated in the sealed shell, which absorbs the dust and impurities contaminated on the transported electrospun nanofibers, and introduces them into the dust collection box 18 through the air duct, which facilitates subsequent centralized cleaning and prevents the electrospun nanofibers from being polluted and affected by subsequent infiltration As a result, the electrospun nanofibers after dust removal enter the infiltration chamber 16, and the transported electrospun nanofibers bypass the bottom of the second straightening roller 17, which not only plays a straightening role, but also ensures that the electrospun nanofibers are placed In the spinning solution, the infiltration is comprehensive. At the same time, the nozzle 6 can spray the spinning solution and spray it evenly on the surface of the electrospun nanofiber, so that the infiltration without dead angle can be achieved during the transportation process, and then the electrospun nanofiber enters the drying room. In 13, the heating block 902 generates heat after being energized, and the fan 901 blows air and blows hot air from the air outlet 904 to dry the electrospun nanofibers passing below. The temperature sensor 903 is convenient for sensing the temperature and transmitting the signal to the control panel 22 The single-chip microcomputer inside, the model of the single-chip microcomputer can be AT89C51, the output end of the single-chip microcomputer is electrically connected with the input end of the heating block 902 through the wire, is convenient to control temperature, and the superfluous spinning solution attached to the electrospinning nanofiber is filtered through the filter screen 14 Impurities then drip into the water collection tank 15 below, and are pumped back to the spraying device 5 by the water pump 8 on the water guide pipe 7 to realize the recycling of the spinning solution. Finally, the electrospun nanofibers that have been soaked and dried are wound on the receiving machine. On the winding roller 23, the limiting hoop 25 is convenient for limiting the wound electrospun nanofibers to avoid sliding displacement.

It will be apparent to those skilled in the art that the invention is not limited to the details of the above-described exemplary embodiments, but that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Accordingly, the embodiments should be regarded in all points of view as exemplary and not restrictive, the scope of the invention being defined by the appended claims rather than the foregoing description, and it is therefore intended that the scope of the invention be defined by the appended claims rather than by the foregoing description. All changes within the meaning and range of equivalents of the elements are embraced in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (9)

1. The utility model provides a special spinning liquid infiltration equipment of efficient electrostatic spinning nanofiber, includes casing (2), drying device (9), infiltration room (16) and wind-up roll (23), its characterized in that: the dust collection box is characterized in that a shell (2) is fixed at one end of the top of the bottom plate (12), baffles (11) are arranged at two ends of the inside of the shell (2), a dust removal chamber (3) is arranged at one end of the inside of the shell (2), a drying chamber (13) is arranged at the other end of the inside of the shell (2), an infiltration chamber (16) is arranged at the central position of the inside of the shell (2), partition plates (4) are uniformly arranged among the infiltration chamber (16), the dust removal chamber (3) and the drying chamber (13), guide rollers (1) are respectively installed at the top ends of the partition plates (4) and the baffles (11), a dust collection box (18) is arranged at the bottom end of the inside of the dust removal chamber (3), a first straightening roller (19) is fixed at the central position of the inside of the dust removal chamber (3), 2 second straightening rollers (17) are arranged at the central position of the inside of the infiltration chamber (16), and a spraying device (, drying device (9) are installed on the inside top of drying chamber (13), and the inside central point department of drying chamber (13) is fixed with third straightening roller (10), the inside bottom of drying chamber (13) is provided with water catch bowl (15), the outside of clean room (3), infiltration room (16) and drying chamber (13) all is provided with a body (21), and installs control panel (22) on door body (21) in the infiltration room (16) outside, the other end at bottom plate (12) top is fixed with wind-up roll (23) through support body (24), and installs servo motor (27) in one side of support body (24), the output of servo motor (27) is connected with wind-up roll (23) through pivot (26).

2. The high-efficiency spinning solution infiltration device special for the electrostatic spinning nano-fiber, according to claim 1, is characterized in that: a dust collector (20) is installed on one side of the interior of the dust removal chamber (3), and the output end of the dust collector (20) is connected with a dust collection box (18) through a gas guide pipe.

3. The high-efficiency spinning solution infiltration device special for the electrostatic spinning nano-fiber, according to claim 1, is characterized in that: the bottom of sprinkler (5) is equidistant to be distributed with shower nozzle (6), and the input of sprinkler (5) passes through aqueduct (7) and is connected with water catch bowl (15), install water pump (8) on aqueduct (7).

4. The high-efficiency spinning solution infiltration device special for the electrostatic spinning nano-fiber, according to claim 1, is characterized in that: the drying device is characterized in that a fan (901) is fixed at the top end inside the drying device (9), a heating block (902) is fixed at the bottom end inside the drying device (9), and a temperature sensor (903) is arranged in the drying device (9) above the heating block (902).

5. The high-efficiency spinning solution infiltration device special for the electrostatic spinning nano-fiber, according to claim 1, is characterized in that: the bottom end of the drying device (9) is uniformly provided with air outlets (904), and the air outlets (904) are distributed in concentric circles.

6. The high-efficiency spinning solution infiltration device special for the electrostatic spinning nano-fiber, according to claim 1, is characterized in that: a filter screen (14) is fixed above the water collecting tank (15), and the filter screen (14) is made of activated carbon.

7. The high-efficiency spinning solution infiltration device special for the electrostatic spinning nano-fiber, according to claim 1, is characterized in that: the both sides of water catch bowl (15) top drying chamber (13) all are provided with spout (28), the both ends of filter screen (14) all be provided with spout (28) assorted slider (29), filter screen (14) pass through slider (29) and spout (28) constitution pull mechanism.

8. The high-efficiency spinning solution infiltration device special for the electrostatic spinning nano-fiber, according to claim 1, is characterized in that: the first straightening roller (19), the second straightening roller (17) and the third straightening roller (10) are all provided with reserved grooves (30).

9. The high-efficiency spinning solution infiltration device special for the electrostatic spinning nano-fiber, according to claim 1, is characterized in that: both ends of wind-up roll (23) all are provided with spacing hoop (25), and spacing hoop (25) all are the annular structure cover and establish the outside at wind-up roll (23), and spacing hoop (25) distribute about wind-up roll (23) bilateral symmetry.