CN210657233U - Porous spinneret plate with high pitch number - Google Patents

Abstract

The utility model discloses a porous high-pitch-number caterpillar type section spinneret plate, which comprises a spinneret plate body, spinneret orifices are distributed on the spinneret plate body, a channel is arranged in the spinneret plate body, the spinneret orifices are fixedly penetrated on the spinneret plate body, holes communicated with the channel are arranged on the side surface of the spinneret orifices, each spinneret orifice comprises a feed inlet and a discharge port, the section of the discharge port is in a caterpillar shape, bulges are formed on the inner wall of the edge of the discharge port, the spinneret plate with the structure is used for producing composite fibers with multiple holes and heavy denier, the fluffiness and the stronger wool feeling of the fibers are increased, the spun profiled fibers are uniform and symmetrical in structure, the fluffiness and the hollow profiled degree of the fibers are improved, and the bulges are used for carrying out surface modification on the composite fibers which are spun, so that the functions of the composite fibers can be increased, without impairing its mechanical properties.

Description

Porous spinneret plate with high pitch number

The technical field is as follows:

the utility model relates to a accessory of the production facility of weaving chemical fibre especially relates to a porous high pitch spinneret.

Background

The spinneret plate is a product commonly used in the textile chemical fiber industry, and comprises a feeding surface and a discharging surface, wherein the feeding surface is provided with a feeding hole, and the discharging surface is provided with a discharging hole. The spinneret plate is used for converting a viscous-state polymer melt or solution into a thin flow with a specific cross section through micropores, solidifying the thin flow through a solidification medium such as air or a solidification bath to form a filament, namely, the filament enters from a feeding hole and exits through a discharging hole.

The most key structural characteristics of the spinneret plate comprise a plate type structure and a discharge hole structure, but the discharge hole on the existing spinneret plate mainly comprises a common circular shape, a straight shape, a cross shape and a C shape, the discharge holes in various shapes produce different shapes of silk, and the performances of various silk are different.

In the current market, the bicomponent composite fiber becomes a main product of the fiber popular trend in recent years, and the composite fiber has multiple purposes and performances compared with the single-component functional fiber. Although the single-component fiber is simple in preparation method, the single-component fiber often has only one specific function, for example, a single component has some functions of superfine, softness, static resistance, ultraviolet resistance and the like, and the single-component fiber cannot meet the requirements of people more and more along with the increase of the requirements of people on the performance of the fiber product, but the composite fiber is usually produced by two raw materials with different components through a specific production mode, so that multiple properties are given to the fiber, and the requirements on the fluffiness and the fur feel of the fiber are also high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the existing problem, and provide a porous high pitch spinneret, can increase fibrous fluffiness, stronger hair sense, the shrinkage factor is high, the hair sense is strong, stability is good, in order to realize above-mentioned purpose, the utility model discloses a following technical scheme:

a spinneret plate with multiple holes and high pitch number comprises a spinneret plate body, spinneret holes are distributed on the spinneret plate body, a channel is arranged in the spinneret plate body, the spinneret holes penetrate through and are fixed on the spinneret plate body, holes communicated with the channel are formed in the side face of each spinneret hole, each spinneret hole comprises a feed port and a discharge port, the section of each discharge port is in a caterpillar shape, and protrusions are formed on the inner wall of the edge of each discharge port.

Preferably, the height of the protrusions is 5-15% of the width D of the spinneret orifice.

Preferably, the shape of the protrusion can be a spur, a round boss or a boss.

Preferably, the spinneret orifices are distributed on the spinneret plate body in a concentric circle arrangement mode, and the central axis of the distribution of the spinneret orifices is intersected with the circle center of the spinneret plate body.

Preferably, the spinneret body is circular.

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

1. the utility model discloses a cross-section of its discharge gate of porous high pitch spinneret is "caterpillar" shape, produces the composite fiber of porous number, thick denier number through the spinneret of this structure, has increased fibrous fluffiness and stronger wool feel, and the profile fiber structure of spinning is even, symmetrical, has improved fibrous fluffiness and hollow profile degree.

2. The utility model discloses a shaping has the arch on the inner wall at its discharge gate edge of porous high pitch spinneret for carry out the surface modification to the composite fiber who spouts the silk, both can increase composite fiber's function, can not destroy its mechanical properties again, and bellied shape adjusts according to the effect that the preparation spouts the silk fibre surface and will reach, and its selectivity has more diversified, and its practicality is stronger with the suitability.

Drawings

FIG. 1 is a schematic structural view of the porous high-pitch caterpillar type section spinneret plate of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure of the spinneret orifice of the present invention;

FIG. 3 is a schematic view of the cross-sectional structure of the spinneret orifice of the present invention;

fig. 4 is an enlarged schematic structural view of a portion a in fig. 3 according to the present invention.

In the figure: 1. a spinneret plate body; 2. a spinneret orifice; 21. a feed inlet; 22. a discharge port; a. A protrusion; 3. a channel; a1, stabbing; a2, round convex; a3, boss.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, a spinneret plate with multiple holes and high pitch number comprises a spinneret plate body 1, spinneret holes 2 are distributed on the spinneret plate body 1, a channel 3 is arranged in the spinneret plate body 1 and used for circulating a mixture, the spinneret holes 2 are fixedly penetrated on the spinneret plate body 1, holes communicated with the channel 3 are formed in the side face of each spinneret hole 2, each spinneret hole 2 comprises a feed port 21 and a discharge port 22, the section of each discharge port is in a shape of a caterpillar, and protrusions are formed on the inner wall of the edge of each discharge port 22 and used for performing surface modification on spun composite fibers.

Specifically, the shape of the protrusion can be adjusted according to the effect to be achieved on the surface of the prepared spinning fiber, and the optional spine A1 is used for carrying out physical napping on the spinning composite fiber, so that the surface of the prepared spinning composite fiber has a plush shape and is skin-friendly and comfortable; the cross section of the prepared spinning composite fiber is in a flower shape, the pattern degree of the composite fiber is increased, the surface of the prepared spinning composite fiber is provided with gully patterns, the protruding height is 5-15% of the width of a spinning hole in order to ensure the mechanical performance of the prepared composite fiber, the function of the composite fiber can be increased, and the mechanical performance of the composite fiber cannot be damaged.

Specifically, 192-288 spinneret holes 2 are arranged on the spinneret plate body 1, the 192-288 spinneret holes 2 are divided into a plurality of groups and are arranged on the spinneret plate body 1 in a concentric circle arrangement mode, the central axes of the spinneret holes 2 are intersected with the center of the spinneret plate body 1, the length of a single section of each spinneret hole 2 is 0.3-0.5 mm, the width of each spinneret hole 2 is 0.06-0.08 mm, each spinneret hole has two sections or more than two sections, for example, as shown in fig. 3, each spinneret hole has 5 sections, and a section of the spinneret plate body is in a shape of a trichoptera.

Specifically, the spinneret plate body 1 is circular.

The 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 utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (5)

1. The utility model provides a porous high pitch spinneret, its is including spinneret body (1), it has spinneret orifice (2), its characterized in that to distribute on spinneret body (1): the spinneret plate is characterized in that a channel (3) is arranged in the spinneret plate body (1), the spinneret orifices (2) penetrate through and are fixed on the spinneret plate body (1), holes communicated with the channel (3) are formed in the side faces of the spinneret orifices (2), each spinneret orifice (2) comprises a feeding hole (21) and a discharging hole (22), the cross sections of the discharging holes are in a shape of + and the inner wall of the edge of each discharging hole (22) is provided with a protrusion in a forming mode.

2. The multi-hole high pitch spinneret plate of claim 1, wherein: the raised height is 5-15% of the width D of the spinneret orifice (2).

3. The multi-hole high pitch spinneret plate of claim 1, wherein: the protrusions may be in the shape of a spur (A1), a dome (A2) or a boss (A3).

4. The multi-hole high pitch spinneret plate of claim 1, wherein: the spinneret plate comprises a spinneret plate body (1), spinneret holes (2) and a central axis, wherein the spinneret holes (2) are distributed on the spinneret plate body (1) in a concentric circle arrangement mode, and the central axis of the distribution of the spinneret holes (2) is intersected with the circle center of the spinneret plate body (1).

5. The multi-hole high pitch spinneret plate of claim 1, wherein: the spinneret plate body (1) is circular.

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