CN113718358A

CN113718358A - Fiber forming device

Info

Publication number: CN113718358A
Application number: CN202111049940.6A
Authority: CN
Inventors: 刘凯; 万思康; 张洪杰
Original assignee: Tsinghua University
Current assignee: Tsinghua University
Priority date: 2021-09-08
Filing date: 2021-09-08
Publication date: 2021-11-30
Anticipated expiration: 2041-09-08
Also published as: CN113718358B

Abstract

The invention discloses a fiber forming device which comprises a shell body, wherein the shell body is provided with a forming channel, the forming channel comprises a liquid inlet cavity, at least one liquid squeezing cavity and a liquid storage cavity, one end of the liquid storage cavity is connected with the liquid inlet cavity, the other end of the liquid storage cavity is connected with all the liquid squeezing cavities, and spinning liquid with a certain volume can be stored. When the spinning solution is introduced into the liquid inlet cavity, the spinning solution flows into the liquid storage cavity along the liquid inlet cavity, and flows into each liquid squeezing cavity after the liquid storage cavity stores the stable flow, so that each liquid squeezing cavity can extrude a fiber filament, multiple strands of fibers can be extruded simultaneously and continuously, and the forming efficiency is high.

Description

Fiber forming device

Technical Field

The invention relates to the technical field of fiber forming, in particular to a fiber forming device.

Background

The traditional fiber materials represented by carbon fiber, Kevlar, nylon and the like have poor ductility, biocompatibility and degradability, so that the natural biological fiber is expected to become a next-generation high-technology fiber material. The protein limiting material is used, and the protein fiber has the advantages of high strength, high toughness, low density, good biocompatibility, good degradability, good air permeability and the like, so that the protein fiber is widely applied to the fields of medical treatment, spinning, military, aerospace and the like.

The fiber is mostly prepared by the fiber forming device, however, the structural design of the existing fiber forming device is limited by the technology, the multi-strand fiber is difficult to be processed simultaneously in an efficient and continuous manner, and the forming efficiency is relatively low.

Disclosure of Invention

In view of the above, the present invention provides a fiber forming apparatus, wherein the spinning solution in the liquid inlet cavity flows into the liquid storage cavity, and flows into the liquid extruding cavities connected to the liquid storage cavity after being stored and stabilized in the liquid storage cavity, so that a plurality of strands of fibers can be continuously extruded, and the forming efficiency is high.

The fiber forming device provided by the invention comprises a shell body with a forming channel, wherein the forming channel comprises a liquid inlet cavity, at least one liquid squeezing cavity and a liquid storage cavity, one end of the liquid storage cavity is connected with the liquid inlet cavity, and the other end of the liquid storage cavity is connected with all the liquid squeezing cavities.

Preferably, the shell body comprises a front shell and a rear shell, opposite ends of the front shell and the rear shell are respectively and correspondingly provided with a liquid storage tank and a clamping sleeve, and when the clamping groove formed in the front shell is matched with the clamping sleeve, the liquid storage tank is combined with the clamping sleeve to form a liquid storage cavity.

Preferably, the one end that the reservoir was kept away from to the procapsid is equipped with the feed liquor chamber, and the feed liquor chamber all is cylindricly with the stock solution chamber, and the internal diameter in feed liquor chamber is less than the internal diameter in stock solution chamber.

Preferably, one end of the rear shell, which is far away from the clamping sleeve, is provided with a plurality of groups of liquid squeezing cavities, and each group of liquid squeezing cavities are distributed in a concentric ring shape.

Preferably, the clamping sleeve is an annular sleeve which is integrally arranged at one end of the rear shell.

Preferably, a seal is provided between the front housing and the rear housing.

Preferably, a liquid inlet pipe, a plurality of liquid squeezing pipes and a plurality of liquid storage pipes are arranged in the shell body, one end of each liquid storage pipe is connected with a liquid inlet cavity of the liquid inlet pipe, the other end of each liquid storage pipe is connected with a liquid squeezing cavity of each liquid squeezing pipe in a one-to-one correspondence mode, and each liquid storage pipe is arc-shaped.

Preferably, the liquid squeezing pipe is L-shaped.

Preferably, all the liquid squeezing pipes are uniformly distributed in a circular ring shape.

Preferably, a guide sleeve is fixedly arranged at an outlet of each liquid squeezing cavity, and an outlet of the guide sleeve is conical.

Compared with the background technology, the fiber forming device provided by the invention comprises a shell body, wherein the shell body is provided with a forming channel, the forming channel comprises a liquid inlet cavity, at least one liquid extrusion cavity and a liquid storage cavity, one end of the liquid storage cavity is connected with the liquid inlet cavity, the other end of the liquid storage cavity is connected with all the liquid extrusion cavities, and spinning liquid with a certain volume can be stored.

When the spinning solution is introduced into the liquid inlet cavity, the spinning solution flows into the liquid storage cavity along the liquid inlet cavity, and flows into each liquid squeezing cavity after the liquid storage cavity stores the stable flow, so that each liquid squeezing cavity can extrude a fiber filament, multiple strands of fibers can be extruded simultaneously and continuously, and the forming efficiency is high.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a block diagram of a fiber forming apparatus according to a first embodiment of the present invention;

FIG. 2 is a right side view of FIG. 1;

FIG. 3 is a block diagram of a fiber forming apparatus according to a second embodiment of the present invention;

fig. 4 is a top view of fig. 3.

The reference numbers are as follows:

a housing body 1;

a front case 11 and a rear case 12;

a liquid inlet cavity 111, a liquid storage tank 112 and a clamping groove 113;

a clamping sleeve 121 and a liquid squeezing cavity 122;

a liquid inlet pipe 101, a liquid storage pipe 102 and a liquid squeezing pipe 103.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific examples.

Referring to fig. 1 and 2, fig. 1 is a structural diagram of a fiber forming apparatus according to a first embodiment of the present invention; fig. 2 is a right side view of fig. 1.

The embodiment of the invention discloses a fiber forming device, which comprises a shell body 1, wherein a forming channel is arranged in the shell body 1, the forming channel comprises a liquid inlet cavity 111, at least one liquid extrusion cavity 122 and a liquid storage cavity, one end of the liquid storage cavity is connected with the liquid inlet cavity 111, the other end of the liquid storage cavity is connected with all the liquid extrusion cavities 122, spinning liquid with a certain volume can be stored, the spinning liquid is used for stabilizing the spinning liquid, and the spinning liquid can uniformly flow into all the liquid extrusion cavities 122.

The liquid inlet pipe 101 is connected with the plunger pump, and the liquid inlet pipe and the plunger pump can be communicated through a connecting pipe. When the liquid inlet cavity 111 is filled with the spinning solution, the spinning solution flows into the liquid storage cavity along the liquid inlet cavity 111, and flows into each liquid squeezing cavity 122 after being stored and stabilized in the liquid storage cavity, so that each liquid squeezing cavity 122 extrudes one fiber, multiple strands of fibers can be extruded simultaneously and continuously, and the forming efficiency is high.

In the first embodiment, the housing body 1 adopts a split type combined structure. The shell body 1 comprises a front shell 11 and a rear shell 12, a liquid storage tank 112 and a clamping groove 113 are arranged at one end of the front shell 11, the clamping groove 113 and the liquid storage tank 112 are arranged simultaneously, and the clamping groove 113 is arranged outside the liquid storage tank 112. A clamping sleeve 121 is fixedly arranged at one end of the rear shell 12 opposite to the front shell 11 in an integrated manner, and the center of the clamping sleeve 121 is hollow. During the use, insert the back casing 12 with front casing 11 in, joint cover 121 and the cooperation of joint groove 113 joint, front casing 11 links firmly with back casing 12 mutually, makes up out shell body 1, and reservoir 112 and joint cover 121 combination form confined stock solution chamber. The split structure of the shell body 1 is convenient to disassemble and assemble, and the liquid storage cavity is convenient to clean. Specifically, the clamping groove 113 is specifically an annular groove, the clamping sleeve 121 is specifically an annular sleeve which is integrally arranged at one end of the rear shell 12, and the annular groove and the annular sleeve are in interference fit. Of course, the fastening manner of the front housing 11 and the rear housing 12 is not limited to snap-fit, and can be replaced by screw connection, which still does not affect the purpose of the present invention.

The outer side surfaces of the front case 11 and the rear case 12 are both cylindrical, and the two cases may be made of epoxy acrylic resin, but the structure and material of the two cases are not limited thereto.

One end of the front shell 11, which is far away from the liquid storage tank 112, is provided with a liquid inlet cavity 111, the liquid inlet cavity 111 and the liquid storage cavity are cylindrical, and the inner diameter of the liquid inlet cavity 111 is smaller than that of the liquid storage cavity, so that the liquid storage cavity has a certain volume to store spinning liquid.

One end of the rear shell 12, which is far away from the clamping sleeve 121, is provided with a plurality of liquid squeezing cavities 122, all the liquid squeezing cavities 122 are divided into a plurality of groups, each group of liquid squeezing cavities 122 can comprise a plurality of squeezing cavities, each group of liquid squeezing cavities 122 is distributed in a concentric ring shape, so that the liquid squeezing cavities 122 are uniformly distributed, and the outer diameters of the fibers extruded by the squeezing cavities are consistent. Each liquid squeezing cavity 122 is also cylindrical, the inner diameter of each liquid squeezing cavity 122 is smaller than that of the liquid inlet cavity 111, specifically, the inner diameter of each liquid squeezing cavity 122 can be 0.5-3 mm, and the inner diameter of each liquid inlet cavity 111 can be 1-10 mm.

For preventing casing body 1 weeping, be equipped with the sealing member between front casing 11 and the back casing 12, the sealing member specifically can be equipped with the sealing washer between joint groove 113 and the joint cover 121 for the gap between shutoff joint groove 113 and the joint cover 121, barrier propterty is better. Specifically, the periphery of joint cover 121 is equipped with ring groove, and the sealing washer is adorned in ring groove, and when joint groove 113 and joint cover 121 cooperate, the sealing washer offsets with the bottom in joint groove 113, and the sealing washer takes place elastic deformation, plays sealed effect. Of course, the front case 11 and the rear case 12 may be directly sealed, and the filled sealant may perform a sealing function.

The key point is that a guiding sleeve is fixedly arranged at the outlet of each liquid squeezing cavity 122, and the guiding sleeve can be adhered to the outlet of the liquid squeezing cavity 122 by glue. The outlet of the guiding sleeve is conical, when the fiber filaments extruded by the liquid extruding cavity 122 move to the conical opening of the guiding sleeve, the conical opening applies radial extruding force to the fiber filaments, the diameter of the fiber filaments is adjusted, and the fiber filaments can have stronger toughness. The delivery tube may be a glass tube or a stainless steel tube, and is not particularly limited herein.

Referring to fig. 3 and 4, fig. 3 is a structural diagram of a fiber forming apparatus according to a second embodiment of the present invention; fig. 4 is a top view of fig. 3.

Compared with the first embodiment, the second embodiment changes the structures of the shell body 1 and the molding passage, and the rest structures are unchanged.

In the second embodiment, the casing body 1 is an integral structure, a liquid inlet pipe 101, a plurality of liquid squeezing pipes 103 and a plurality of liquid storage pipes 102 are arranged in the casing body 1, a liquid inlet cavity 111 is arranged in the center of the liquid inlet pipe 101, a liquid squeezing cavity 122 is arranged in the center of the liquid squeezing pipes 103, one end of each liquid storage pipe 102 is connected with the liquid inlet pipe 101, and the other end of each liquid storage pipe is connected with the liquid squeezing pipes 103 in a one-to-one correspondence manner. The center of each reservoir tube 102 collectively defines a reservoir chamber.

Specifically, the pipe diameter of the liquid inlet pipe 101 is larger than that of each liquid storage pipe 102, and the pipe diameter of each liquid storage pipe 102 is equal to that of the liquid squeezing pipe 103. Each liquid storage pipe 102 is arc-shaped, can be matched with the positions of the liquid inlet pipe 101 and the liquid extruding pipe 103, and can also enable the spinning liquid in the liquid storage pipe 102 to realize stable flow by increasing the resistance of the pipeline. Feed liquor pipe 101 is the L type, including perpendicular horizontal pipe and the vertical pipe of connecting, the horizontal pipe passes through the external plunger pump of connecting pipe, and vertical pipe is linked together with whole stock solution pipe 102, makes the spinning liquid can flow into stock solution pipe 102 from bottom to top, and the pipeline resistance can further be promoted to apparent vertical pipe, further guarantees that the spinning liquid stably flows into in each stock solution pipe 102.

All the liquid extrusion pipes 103 are uniformly distributed in a circular ring, so that the extruded fiber filaments have consistent diameters. The liquid inlet pipe 101, the liquid storage pipe 102 and the liquid squeezing pipe 103 can be fixedly connected in a welding mode. The shell body 1 is a cylindrical block integrally cast and fixed on the peripheries of the liquid inlet pipe 101, the liquid storage pipe 102 and the liquid squeezing pipe 103 and used for fixing and protecting the liquid inlet pipe 101, the liquid storage pipe 102 and the liquid squeezing pipe 103, and the shell body 1 can be cast by epoxy acrylic resin, and the material of the shell body is not limited specifically here.

The fiber forming apparatus provided by the present invention is described in detail above, and the principle and the embodiment of the present invention are explained herein by using specific examples, and the above description of the examples is only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims

1. The fiber forming device is characterized by comprising a shell body (1) with a forming channel, wherein the forming channel comprises a liquid inlet cavity (111), at least one liquid squeezing cavity (122) and a liquid storage cavity, one end of the liquid storage cavity is connected with the liquid inlet cavity (111), and the other end of the liquid storage cavity is connected with the liquid squeezing cavity (122).

2. The fiber forming apparatus according to claim 1, wherein the housing body (1) comprises a front housing (11) and a rear housing (12), opposite ends of the front housing (11) and the rear housing (12) are respectively provided with a liquid storage tank (112) and a clamping sleeve (121) correspondingly, and when the clamping groove (113) arranged on the front housing (11) is matched with the clamping sleeve (121), the liquid storage tank (112) and the clamping sleeve (121) are combined to form the liquid storage cavity.

3. The fiber forming apparatus according to claim 2, wherein the liquid inlet chamber (111) is provided at an end of the front housing (11) away from the liquid storage tank (112), the liquid inlet chamber (111) and the liquid storage chamber are both cylindrical, and an inner diameter of the liquid inlet chamber (111) is smaller than an inner diameter of the liquid storage chamber.

4. The fiber forming apparatus according to claim 3, wherein the rear housing (12) is provided with a plurality of sets of the pumping chambers (122) at an end thereof away from the clamping sleeve (121), and each set of the pumping chambers (122) is distributed in a concentric ring shape.

5. The fiber forming apparatus according to any one of claims 2 to 4, characterized in that the clamping sleeve (121) is embodied as an annular sleeve which is integrally provided at one end of the rear housing (12).

6. Fibre forming apparatus according to any one of claims 2 to 4, characterized in that a seal is provided between the front housing (11) and the rear housing (12).

7. The fiber forming device according to claim 1, wherein a liquid inlet pipe (101), a plurality of liquid squeezing pipes (103) and a plurality of liquid storage pipes (102) are arranged in the shell body (1), one end of each liquid storage pipe (102) is connected with a liquid inlet cavity (111) of the liquid inlet pipe (101) and the other end of each liquid storage pipe is connected with a liquid squeezing cavity (122) of the liquid squeezing pipe (103) in a one-to-one correspondence manner, and each liquid storage pipe (102) is arc-shaped.

8. The fiber forming apparatus according to claim 7, wherein the liquid extrusion pipe (103) is L-shaped.

9. The fiber forming apparatus according to claim 7, wherein all the liquid extruding pipes (103) are uniformly distributed in a circular ring shape.

10. The fiber forming apparatus according to claim 1, wherein a guiding sleeve is fixedly arranged at an outlet of each liquid squeezing cavity (122), and an outlet of the guiding sleeve is conical.