CN215713544U

CN215713544U - Production device for PTFE staple fiber

Info

Publication number: CN215713544U
Application number: CN202121247272.3U
Authority: CN
Inventors: 陈路
Original assignee: Nanjing E Thread Polymer Material Co ltd
Current assignee: Nanjing E Thread Polymer Material Co ltd
Priority date: 2021-06-04
Filing date: 2021-06-04
Publication date: 2022-02-01
Anticipated expiration: 2031-06-04

Abstract

The utility model discloses a production device for PTFE staple fibers, relates to the technical field of PTFE staple fibers, and aims to solve the problems that the efficiency of the PTFE staple fibers passing through spinneret holes under the action of self gravity is poor, the time of materials remaining on the spinneret holes is too long, the materials are easy to solidify, the spinneret holes are easy to block, and the production efficiency of the PTFE staple fibers is poor. The device comprises a device frame, a box melting box, a box cover plate, a spraying bin, a feeding pipe, a spinning nozzle, a spinning plate, a spinning nozzle, a feeding plate, a feeding hole, a discharging hole and the discharging plate.

Description

Production device for PTFE staple fiber

Technical Field

The utility model relates to the technical field of PTFE staple fiber, in particular to a production device for PTFE staple fiber.

Background

The PTFE fiber is a synthetic fiber which is made by spinning or making into a film and then cutting or fibrillating polytetrafluoroethylene as a raw material, and is mainly used as an exhaust purification filter material for garbage incinerators and coal boilers, a non-metal bearing, a plastic filler for reducing friction, a sewing thread and the like.

At present, the production of PTFE short fiber is to spout the material of molten state from the spinneret orifice, and the material of molten state passes the spinneret orifice inefficiency under self action of gravity, and the material remains the time overlength on the spinneret orifice and appears solidifying easily, and the spinneret orifice blocks up easily, and PTFE short fiber production efficiency is not good, can not satisfy the user demand. Therefore, a production device for PTFE staple fiber is urgently needed in the market to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a production device for PTFE staple fibers, which aims to solve the problems that the efficiency of the PTFE staple fibers passing through spinneret holes under the action of self gravity is poor, the material remains on the spinneret holes for too long time, the coagulation is easy to occur, the spinneret holes are easy to block, and the production efficiency of the PTFE staple fibers is poor.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a PTFE short fiber is with apparatus for apparatus, includes the device frame, the top of device frame is provided with melts the workbin, and melts workbin and device frame and pass through screwed connection, the top of melting the workbin is provided with the cover plate, and the cover plate passes through screwed connection with melting the workbin, the below of cover plate is provided with the jetting storehouse, and jetting storehouse and device frame pass through screwed connection, it is provided with the unloading pipe to melt between workbin and the jetting storehouse, and the both ends of unloading pipe extend to respectively melt workbin and the inside in jetting storehouse, the lower extreme in jetting storehouse is provided with the spinning jet, and the spinning jet is connected structure as an organic whole with the jetting storehouse, the lower extreme in spinning jet is provided with the spinneret, and spinneret threaded connection, be provided with the spinneret hole on the spinneret, the below in spinning jet is provided with the stock guide, and stock guide and device frame pass through screwed connection.

Preferably, one side of the device frame is provided with a booster pump, the booster pump is connected with the device frame through screws, an air guide pipe is arranged between the booster pump and the blowing bin, two ends of the air guide pipe respectively extend into the booster pump and the blowing bin, and the air guide pipe, the booster pump and the blowing bin are connected into a whole.

Preferably, one side of the spinneret is provided with a cutting motor, the cutting motor is connected with the device frame through screws, a cutter is arranged below the spinneret plate and connected with the output end of the cutting motor into an integral structure, and the cutter is attached to the spinneret plate.

Preferably, the upper end of the material guide plate is provided with a plurality of comb strips, the comb strips are sequentially arranged at the upper end of the material guide plate, a refrigerator is arranged below the material guide plate, and the refrigerator is connected with the material guide plate through screws.

Preferably, the outside of melting the workbin is provided with electric heater, and electric heater and the outer wall of melting the workbin laminate mutually, the inside of melting the workbin is provided with temperature sensor, and temperature sensor and pass through the screw connection with melting the workbin.

Preferably, a stirring motor is arranged above the box cover plate, and the stirring motor is connected with the box cover plate through screws.

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

1. the utility model discloses a device passes through the setting of spinneret and booster pump, and the spinneret orifice on the spinneret can spout the fused material under the effect of extrusion to accomplish the fibre and spout the silk, the spinneret of changing the spinneret orifice of unidimensional not can adjust fiber diameter, can increase the inside pressure in jetting storehouse with air injection to jetting storehouse under the effect of booster pump, thereby faster spout the silk and go out with the material. Solves the problems that the residual time of the materials in the blowing bin is too long and the spinning difficulty is increased.

2. The utility model discloses a device passes through the setting of cutting motor and cutter, and it is rotatory to drive the cutter under the effect of cutting motor, and rotatory cutter can cut off the fibre with the fibre contact to realize the fibrous production of short silk, can adjust fibrous length of cutting off according to the rotation cycle of adjusting the cutting motor. The problem of the fibre cutting that is difficult to accurate will produce is solved.

3. The utility model discloses a device passes through the setting of stock guide and refrigerator, can carry out the guide with the help of the comb strip line on the stock guide to the fibre of producing is combed to the fibre arrangement that will produce, and the refrigerator refrigerates the stock guide, and the fibre can be so that fibre cooling solidification on dropping the stock guide. Solves the problem that the produced fiber is not cured in time and the production quality is reduced.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of the melting box of the present invention;

FIG. 3 is a bottom view of the spinneret of the present invention in connection with a cutting motor;

FIG. 4 is a drawing showing the connection of the blowing chamber and the spinneret of the present invention;

fig. 5 is a sectional view of a guide plate according to the present invention.

In the figure: 1. a device frame; 2. a material melting box; 3. a box cover plate; 4. a stirring motor; 5. a feed inlet; 6. an electric heater; 7. a discharging pipe; 8. a booster pump; 9. an air duct; 10. a discharge valve; 11. a blowing bin; 12. a spinneret; 13. cutting the motor; 14. a cutter; 15. a material guide plate; 16. combing the silk; 17. a stirring paddle; 18. a temperature sensor; 19. a spinneret plate; 20. a thread groove; 21. a refrigerator.

Detailed Description

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

Referring to fig. 1-5, an embodiment of the present invention is shown: a production device for PTFE staple fibers comprises a device frame 1, a melting box 2 is arranged above the device frame 1, the melting box 2 is connected with the device frame 1 through screws, a box cover plate 3 is arranged above the melting box 2, the box cover plate 3 is connected with the melting box 2 through screws, a feed inlet 5 is arranged at the upper end of the box cover plate 3, a spraying bin 11 is arranged below the box cover plate 3, the spraying bin 11 is connected with the device frame 1 through screws, a discharging tube 7 is arranged between the melting box 2 and the spraying bin 11, two ends of the discharging tube 7 respectively extend into the melting box 2 and the spraying bin 11, a discharging valve 10 is arranged outside the discharging tube 7, the discharging valve 10 and the spraying tube 7 are arranged into an integral structure, a spinning nozzle 12 is arranged at the lower end of the spraying bin 11, the spinning nozzle 12 and the spraying bin 11 are connected into an integral structure, a thread groove 20 is arranged on the inner wall of the spinning nozzle 12, the lower extreme of spinneret 12 is provided with spinneret 19, and spinneret 19 and spinneret 12 threaded connection, are provided with the spinneret orifice on the spinneret 19, and the spinneret orifice on spinneret 12 can make the melting material spout the silk and go out to accomplish PTFE short silk fibre production, the below of spinneret 12 is provided with stock guide 15, and stock guide 15 passes through the screw connection with device frame 1.

Further, a booster pump 8 is arranged on one side of the device frame 1, the booster pump 8 is connected with the device frame 1 through screws, an air duct 9 is arranged between the booster pump 8 and the blowing bin 11, two ends of the air duct 9 respectively extend into the booster pump 8 and the blowing bin 11, and the air duct 9 is connected with the booster pump 8 and the blowing bin 11 into an integral structure. Gas is injected into the blowing bin 11 through the booster pump 8 by the gas guide pipe 9, so that the gas pressure inside the blowing bin 11 is increased, and materials inside the blowing bin 11 are extruded and spun out from the spinning holes more quickly.

Further, one side of the spinning nozzle 12 is provided with a cutting motor 13, the cutting motor 13 is connected with the device frame 1 through screws, a cutter 14 is arranged below the spinneret plate 19, the cutter 14 is connected with the output end of the cutting motor 13 into an integral structure, and the cutter 14 is attached to the spinneret plate 19. The cutting motor 13 drives the cutter 14 to rotate, and the sprayed fibers can be cut off along with the rotation of the cutter 14, so that the fiber production with a certain length is completed.

Further, the upper end of the material guide plate 15 is provided with a plurality of comb strips 16, the comb strips 16 are sequentially arranged at the upper end of the material guide plate 15, a refrigerator 21 is arranged below the material guide plate 15, and the refrigerator 21 is connected with the material guide plate 15 through screws. The fibers dropped onto the guide plate 15 can be arranged by the comb filaments 16, and the guide plate 15 is cooled by the cooler 21, so that the fibers dropped onto the guide plate 15 can be cooled and solidified.

Further, the outside of melting box 2 is provided with electric heater 6, and electric heater 6 laminates with the outer wall of melting box 2 mutually, and the inside of melting box 2 is provided with temperature sensor 18, and temperature sensor 18 passes through the screw connection with melting box 2. Can heat melting box 2 through electric heater 6, promote melting box 2 inside temperature to can turn into the material melting state with the material, can measure the temperature of melting the material in box 2 with the help of temperature sensor 18.

Further, agitator motor 4 is provided with above the case lid board 3, and agitator motor 4 passes through the screw connection with case lid board 3, and the inside of melting material case 2 is provided with stirring rake 17, and stirring rake 17 passes through the coupling joint with agitator motor 4's output. The stirring paddle 17 is driven to rotate by the stirring motor 4, and the added materials can be stirred in and out along with the rotation of the stirring paddle 17, so that the materials are mixed more uniformly.

The working principle is as follows: when the fiber preparation material melting device is used, fiber preparation raw materials are added into a melting box 2 from a feeding port 5, a stirring motor 4 and an electric heater 6 are started, the melting box 2 is heated by the electric heater 6, the temperature in the melting box 2 is raised to a required temperature, the added raw materials are converted into a molten state, and the temperature of the materials is measured by a temperature sensor 18; the stirring paddle 17 is driven to rotate under the action of the stirring motor 4, and materials can be stirred along with the rotating stirring paddle 17. Selecting a spinneret plate 19 with a proper aperture to be connected with a spinneret 12, opening a blanking valve 10 to inject materials into a blowing bin 11, starting a booster pump 8 to inject gas into the blowing bin 11, increasing the air pressure in the blowing bin 11, and ejecting the materials from spinneret holes in the spinneret plate 19 under the extrusion action of the air pressure; the cutting motor 13 is started to drive the cutter 14 to rotate, and the fiber can be cut by the contact of the rotating cutter 14 and the sprayed fiber, so that the PTFE staple fiber can be produced. The refrigerator 21 is turned on to lower the temperature of the material guide plate 15, and the fibers fall onto the material guide plate 15 to be cooled and solidified.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a production device for PTFE staple fiber, includes device frame (1), its characterized in that: a melting box (2) is arranged above the device frame (1), the melting box (2) is connected with the device frame (1) through screws, a box cover plate (3) is arranged above the melting box (2), the box cover plate (3) is connected with the melting box (2) through screws, a blowing bin (11) is arranged below the box cover plate (3), the blowing bin (11) is connected with the device frame (1) through screws, a discharging pipe (7) is arranged between the melting box (2) and the blowing bin (11), two ends of the discharging pipe (7) respectively extend into the melting box (2) and the blowing bin (11), a spinning nozzle (12) is arranged at the lower end of the blowing bin (11), the spinning nozzle (12) and the blowing bin (11) are connected into an integral structure, a spinning nozzle (19) is arranged at the lower end of the spinning nozzle (12), and the spinning nozzle (19) is in threaded connection with the spinning nozzle (12), spinneret orifices are arranged on the spinneret plate (19), a material guide plate (15) is arranged below the spinneret plate (12), and the material guide plate (15) is connected with the device frame (1) through screws.

2. The production apparatus for a PTFE staple fiber according to claim 1, wherein: one side of the device frame (1) is provided with a booster pump (8), the booster pump (8) is connected with the device frame (1) through screws, an air duct (9) is arranged between the booster pump (8) and the blowing bin (11), two ends of the air duct (9) respectively extend to the interior of the booster pump (8) and the blowing bin (11), and the air duct (9) is connected with the booster pump (8) and the blowing bin (11) into an integral structure.

3. The production apparatus for a PTFE staple fiber according to claim 1, wherein: one side of spinneret (12) is provided with cutting motor (13), and cutting motor (13) passes through the screw connection with device frame (1), the below of spinneret (19) is provided with cutter (14), and cutter (14) are connected as an organic whole structure with the output of cutting motor (13), cutter (14) laminate mutually with spinneret (19).

4. The production apparatus for a PTFE staple fiber according to claim 1, wherein: the comb strip feeding device is characterized in that comb strips (16) are arranged at the upper end of the material guide plate (15), a plurality of comb strips (16) are arranged, the comb strips (16) are sequentially arranged at the upper end of the material guide plate (15), a refrigerator (21) is arranged below the material guide plate (15), and the refrigerator (21) is connected with the material guide plate (15) through screws.

5. The production apparatus for a PTFE staple fiber according to claim 1, wherein: melt the outside of workbin (2) and be provided with electric heater (6), and electric heater (6) and the outer wall that melts workbin (2) laminate mutually, the inside that melts workbin (2) is provided with temperature sensor (18), and temperature sensor (18) and melt workbin (2) and pass through the screw connection.

6. The production apparatus for a PTFE staple fiber according to claim 1, wherein: and a stirring motor (4) is arranged above the box cover plate (3), and the stirring motor (4) is connected with the box cover plate (3) through screws.