CN211999991U

CN211999991U - Anti-winding take-up device for electrostatic spinning

Info

Publication number: CN211999991U
Application number: CN202020507280.6U
Authority: CN
Inventors: 何凤利; 王亚楠; 程娅伊; 赵肖娟
Original assignee: Xian Aeronautical University
Current assignee: Xian Aeronautical University
Priority date: 2020-04-09
Filing date: 2020-04-09
Publication date: 2020-11-24
Anticipated expiration: 2030-04-09

Abstract

The utility model discloses an anti-winding take-up device for electrostatic spinning, wherein a first rotating rod is rotatably connected between the upper inner wall and the lower inner wall of a square frame on the left side, a guide roller is rotatably sleeved on the surface of the first rotating rod, and a plurality of grooves are formed on the surface of the guide roller; the square frame on the right side is internally provided with a plurality of layers of partition plates, each layer of partition plate is internally provided with a cavity, two rotating shafts are rotatably connected between the upper inner wall and the lower inner wall of each cavity, two first gears meshed with the same second gear are fixedly sleeved on the surfaces of the corresponding rotating shafts respectively, a winding drum is arranged between two adjacent trays of one group of coaxial lines, a winding drum is arranged between two adjacent trays of the other group of coaxial lines, a base band is wound on the winding drum, the end part of the base band passes through a receiving device and a spinning nozzle and bypasses a corresponding groove on a guide roller, and is finally connected with the winding drum, the receiving device is a spherical surface, and the concave surface of the spherical surface. The problem of current electrostatic spinning easily twine in the rolling, influence product quality is solved, production efficiency is improved.

Description

Anti-winding take-up device for electrostatic spinning

Technical Field

The utility model relates to an electrostatic spinning technical field especially relates to an electrostatic spinning is with antiwind take-up.

Background

Electrospinning is a special form of electrostatic atomization of high molecular fluids, where the material split by atomization is not a tiny droplet, but a tiny jet of polymer, which can travel a considerable distance and eventually solidify into fibers.

Electrospinning is a special fiber manufacturing process, where polymer solutions or melts are jet spun in a strong electric field. Under the action of the electric field, the liquid drop at the needle head changes from a spherical shape to a conical shape (i.e. a Taylor cone) and extends from the tip of the cone to obtain a fiber filament. This way, polymer filaments of nanometer-scale diameter can be produced. The existing receiving devices are mostly in a flat plate shape, electrostatic spinning fibers are easily concentrated in the middle of the receiving devices, the problems of accumulation and winding occur, the product quality is influenced, and great loss is caused; in addition, the winding drum and the unwinding drum of the conventional electrostatic spinning take-up device are not easy to take down or install, the replacement is time-consuming and labor-consuming, and the production efficiency is reduced. Therefore, the anti-winding take-up device for electrostatic spinning is provided.

Disclosure of Invention

The utility model provides an anti-winding take-up device for electrostatic spinning, the receiving device is spherical, the obtained electrostatic spinning fiber is evenly distributed, and the problem that the product quality is influenced because the existing electrostatic spinning is easy to wind in winding is solved; the winding drum and the unwinding drum are easy to take down or install, and the production efficiency is improved.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an anti-winding take-up device for electrostatic spinning comprises a base, wherein square frames are arranged on the left side and the right side of the upper surface of the base, and a first rotating rod is rotatably connected between the upper inner wall and the lower inner wall of the square frame on the left side; a motor is arranged at the bottom of the square frame on the right side, a second rotating rod is fixedly connected to the output end of the motor and is parallel to the first rotating rod, a plurality of second gears are fixedly sleeved on the second rotating rod, two first gears are arranged on the periphery of each second gear, and the first gears are meshed with the second gears; a plurality of layers of partition plates are arranged in the square frame on the right side, each layer of partition plate is internally provided with a cavity, two rotating shafts are rotatably connected between the upper inner wall and the lower inner wall of each cavity, two first gears meshed with the same second gear are respectively fixedly sleeved on the surfaces of the corresponding rotating shafts, limiting sliding grooves are arranged in the middle rotating shaft and the upper rotating shaft, T-shaped rods are arranged in the limiting sliding grooves, springs are fixedly connected between the upper end surfaces of the T-shaped rods and the upper inner walls of the limiting sliding grooves, the lower ends of the T-shaped rods extend out of the limiting sliding grooves to be fixedly connected with the trays, the upper ends of the middle rotating shaft and the lower rotating shaft are respectively fixedly connected with the trays, a winding drum is arranged between two adjacent trays of one group of coaxial lines, a winding drum is arranged between two adjacent trays of the other group of coaxial lines, each group of winding drums corresponds to one groove on the, and then the spinning head bypasses the corresponding groove on the guide roller and is finally connected with the winding drum, the receiving device is a spherical surface, and the concave surface of the spherical surface is opposite to the spinning nozzle.

Further, the winding drum is the same as the unwinding drum in structure, limiting grooves are formed in the upper end face and the lower end face of the winding drum and the lower end face of the unwinding drum, limiting blocks are arranged on the tray, and the limiting blocks are connected with the limiting grooves in a matched mode.

Furthermore, the grooves on the surface of the guide roller and the centers of the corresponding winding drum and the corresponding unwinding drum are on the same horizontal line.

Furthermore, an electrode of the spinning nozzle is connected with the positive electrode of the direct-current high-voltage electrostatic generator, and the receiving device is grounded.

Furthermore, the guide roller is rotatably sleeved on the surface of the first rotating rod through a bearing.

Furthermore, the T-shaped end of each T-shaped rod is connected in the limiting sliding groove in a sliding mode, and a spring is fixedly connected between the upper end face of each T-shaped rod and the upper inner wall of each limiting sliding groove.

Further, the lower end of each T-shaped rod extends below the rotating shaft, and the extending end is fixedly connected to the upper surface of the tray.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model draws the base band to the winding drum for winding by the guide of the guide roller, a plurality of grooves are arranged on the guide roller, the bottom of each groove is in arc transition, and the base band folding is avoided, so that the problem of winding and accumulation of electrostatic spinning is caused; every recess corresponds a set of receipts reel, unreels a section of thick bamboo, prevents the baseband skew, makes its stable winding on corresponding receipts reel, improves the rolling quality, can twine the electrostatic spinning that a plurality of spinnerets produced simultaneously, also can regard one of them as reserve, improves production efficiency.

The utility model discloses a receiving arrangement is the sphere, and the concave surface of sphere is relative with the electrode, compares with dull and stereotyped receiving arrangement, and the electrostatic spinning fibre that obtains distributes evenly, has avoided piling up, winding problem.

The utility model discloses when the reel is put in the change, receive the reel, the motor stall props up the outside of the tray of upside for T type pole contracts to spacing spout in, and compression spring makes stopper and spacing groove break away from can be convenient get the reel or unreel the reel and put, and it is convenient to change, improves production efficiency.

Drawings

Fig. 1 is a cross-sectional view of the structure of an anti-winding take-up device for electrostatic spinning of the present invention.

Fig. 2 is the utility model discloses a cross-sectional view of a structure is looked sideways to antiwind take-up for electrostatic spinning.

Reference numbers in the figures: the device comprises a base 1, a square frame 2, a first rotating rod 3, a guide roller 4, a cavity 5, a rotating shaft 6, a first gear 7, a limiting sliding groove 8, a T-shaped rod 9, a tray 10, a second rotating rod 11, a second gear 12 and a limiting block 13.

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, an anti-winding take-up device for electrostatic spinning, including base 1, the left and right both sides of base 1 upper surface all are provided with square frame 2, rotate between the upper and lower inner wall of left square frame 2 and are connected with first bull stick 3, and the surface rotation of first bull stick 3 has cup jointed guide roll 4, and three recess, the bottom circular arc transition of recess have been seted up on the surface of guide roll 4.

As shown in fig. 2, a motor is arranged at the bottom of the right square frame 2, a second rotating rod 11 is fixedly connected to an output end of the motor, the second rotating rod 11 is parallel to the first rotating rod 3, three second gears 12 are fixedly sleeved on the second rotating rod 11, two first gears 7 are arranged on the periphery of each second gear 12, the first gears 7 are meshed with the second gears 12, and all the first gears 7 are driven to rotate by the motor.

The square frame 2 on the right side is internally provided with three layers of clapboards, each layer of clapboard is internally provided with a cavity 5, the upper inner wall and the lower inner wall of each cavity 5 are rotatably connected with two rotating shafts 6, two first gears 7 meshed with the same second gear 12 are respectively fixedly sleeved on the surfaces corresponding to the rotating shafts 6, a limiting chute 8 is arranged in the middle rotating shaft 6 and the upper rotating shaft 6, a T-shaped rod 9 is arranged in the limiting chute 8, a spring is fixedly connected between the upper end surface of the T-shaped rod 9 and the upper inner wall of the limiting chute 8, the lower end of the T-shaped rod 9 extends out of the limiting chute 8 to be fixedly connected with trays 10, the upper ends of the rotating shafts 6 on the middle layer and the lower layer are respectively fixedly connected with trays 10, a coiling block is arranged between two adjacent trays 10 of one group of coaxial lines, a uncoiling block is arranged between two adjacent trays 10 of the other group of, The limiting groove has all been seted up to the terminal surface down, is equipped with stopper 13 on the tray 10, and stopper 13 is connected the screens with the limiting groove cooperation for fixed coiling drum or unreel the drum, and drive coiling drum or unreel the drum rotation through pivot 6.

The groove on the surface of the guide roller 4 is positioned on the same horizontal line with the centers of the corresponding winding drum and the corresponding unwinding drum, the base band is wound on the unwinding drum, the end part of the base band passes through the position between the receiving device and the spinning nozzle, then bypasses the corresponding groove on the guide roller 4 and is finally connected with the winding drum; the electrode of the spinning nozzle is connected with the positive pole of the direct current high voltage electrostatic generator, and the receiving device is grounded.

The utility model discloses in be equipped with three recess on the guide roll 4, the bottom circular arc of recess passes through, if the recess bottom is the right angle, easily make the baseband fold, lead to electrostatic spinning to appear winding accumulational problem, the bottom circular arc of recess passes through and can avoid this problem; every recess corresponds a set of receipts reel, unreels a section of thick bamboo, prevents the baseband skew, makes its stable winding on corresponding receipts reel, improves the rolling quality, can twine the electrostatic spinning that three spinning jet produced simultaneously, also can regard one of them as reserve, improves production efficiency.

The existing receiving devices are mostly in a flat plate shape, electrostatic spinning fibers are easily concentrated in the middle of the receiving devices, the problems of accumulation and winding occur, and the product quality is influenced; the utility model discloses a receiving arrangement is the sphere, and the concave surface of sphere is relative with the electrode for electric field between the electrode of spinning jet and the receiving arrangement is the characteristics that the centre is little, both sides are big, and the electrostatic spinning fibre that guarantees to obtain distributes evenly, has avoided piling up, winding problem.

In this embodiment, the guide roller 4 rotates through the bearing and cup joints the surface at first bull stick 3, and when the winding drum rotated with unreeling the section of thick bamboo, the baseband transmission, guide roller 4 rotated around first bull stick 3, played the guide effect.

The utility model discloses theory of operation of embodiment:

when the spinning machine is used, the output end of the motor drives the second rotating rod 11 to rotate, the rotating shaft 6 is driven to rotate through the meshing of the first gear 7 and the second gear 12, the rotating shaft 6 drives the unwinding barrel and the winding barrel to rotate through the tray 10, electrostatic spinning sprayed by the spinning nozzle uniformly falls on the base band under the action of the receiving device, the base band is wound on a conveying mechanism consisting of the unwinding barrel, the guide roller 4 and the winding barrel, and the electrostatic spinning is wound through the winding barrel under the guide of the guide roller 4.

When the reel is placed and wound in replacement, the motor stops rotating, the outer side of the tray 10 on the upper side is supported, the T-shaped rod 9 is contracted in the limiting sliding groove 8, the spring is compressed, the limiting block 13 is separated from the limiting groove, the reel is wound or wound in an axial movement mode, the reel can be conveniently placed or wound, and the tray 10 on the upper side is reset through the reaction force of the spring when the reel is loosened.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. An anti-winding take-up device for electrostatic spinning comprises a base (1), wherein square frames (2) are arranged on the left side and the right side of the upper surface of the base (1), and a first rotating rod (3) is rotatably connected between the upper inner wall and the lower inner wall of the square frame (2) on the left side, and is characterized in that a guide roller (4) is rotatably sleeved on the surface of the first rotating rod (3), a plurality of grooves are formed in the surface of the guide roller (4), and the bottoms of the grooves are in arc transition; a motor is arranged at the bottom of the square frame (2) on the right side, a second rotating rod (11) is fixedly connected to the output end of the motor, the second rotating rod (11) is parallel to the first rotating rod (3), a plurality of second gears (12) are fixedly sleeved on the second rotating rod (11), two first gears (7) are arranged on the periphery of each second gear (12), and the first gears (7) are meshed with the second gears (12); a plurality of layers of partition plates are arranged in the square frame (2) on the right side, a cavity (5) is arranged in each layer of partition plate, two rotating shafts (6) are rotatably connected between the upper inner wall and the lower inner wall of each cavity (5), two first gears (7) meshed with the same second gear (12) are respectively and fixedly sleeved on the surfaces of the corresponding rotating shafts (6), limiting sliding grooves (8) are formed in the middle rotating shaft and the upper rotating shaft (6), T-shaped rods (9) are arranged in the limiting sliding grooves (8), springs are fixedly connected between the upper end faces of the T-shaped rods (9) and the upper inner walls of the limiting sliding grooves (8), the lower ends of the T-shaped rods (9) extend out of the limiting sliding grooves (8) and are fixedly connected with trays (10), the upper ends of the rotating shafts (6) on the middle layer and the lower layer are fixedly connected with trays (10), winding drums are arranged between two adjacent trays (10) of one group of coaxial lines, and winding drums are arranged between, each group of winding and unwinding drums corresponds to one groove on the guide roller (4), the base band is wound on the winding and unwinding drums, the end part of the base band passes through the position between the receiving device and the spinning nozzle, then bypasses the corresponding groove on the guide roller (4), and is finally connected with the winding drum, the receiving device is spherical, and the concave surface of the spherical surface is opposite to the spinning nozzle.

2. The anti-winding take-up device for the electrostatic spinning as claimed in claim 1, wherein the take-up drum and the unwinding drum have the same structure, the upper and lower end faces of the take-up drum and the unwinding drum are both provided with a limiting groove, the tray (10) is provided with a limiting block (13), and the limiting block (13) is connected with the limiting groove in a matching manner to be clamped.

3. The anti-wind take-up device for electrostatic spinning according to claim 1, characterized in that the groove on the surface of the guide roller (4) is on the same horizontal line with the center of the corresponding winding drum and unwinding drum.

4. The anti-wind take-up device for electrostatic spinning according to claim 1, wherein the electrode of the spinneret is connected with the positive electrode of the direct current high voltage electrostatic generator, and the receiving device is grounded.

5. The anti-wind take-up device for electrostatic spinning according to claim 1, characterized in that the guide roller (4) is rotatably sleeved on the surface of the first rotating rod (3) through a bearing.

6. The anti-winding take-up device for electrostatic spinning according to claim 1, characterized in that the T-shaped end of each T-shaped rod (9) is slidably connected in the limiting chute (8), and a spring is fixedly connected between the upper end surface of the T-shaped rod (9) and the upper inner wall of the limiting chute (8).

7. An anti-wind take-up device for electrostatic spinning according to claim 1 or 5, characterised in that the lower end of each T-bar (9) extends below the respective rotating shaft (6) and the extending end is fixedly connected to the upper surface of the tray (10).