CN208980834U - Double different composite spinnerets - Google Patents

Abstract

This application discloses a kind of double different composite spinnerets, including circular spinneret plate body, the spinneret plate body is equipped at least one layer of sandwich layer spinneret orifice and at least one layer of cortex spinneret orifice, the at least one layer sandwich layer spinneret orifice and at least one layer of cortex spinneret orifice are arranged in same heart shaped, the cross sectional shape of the sandwich layer spinneret orifice is five leaf, the cross sectional shape of the cortex spinneret orifice is " N " font and/or " W " font, the quantity of the sandwich layer spinneret orifice is less than the quantity of the cortex spinneret orifice, the wedge shape at the top of " N " font or " W " font of cortex spinneret orifice is open back to the center of circle of spinneret plate body.The double different composite spinnerets of the utility model can be processed into half perspective fabric with unidirectional shielding, so as to be widely used.The structure of this pair of different composite spinneret is very simple, can effectively control production cost.

Description

Double different composite spinnerets

Technical field

The utility model relates to melt spinning production technical fields, more particularly to a kind of double different composite spinnerets.

Background technique

When light source is irradiated to fabric, fabric surface reflection, the light wave reflected form light stimulus to human eye, and human brain will produce Life is to vision responses such as the color of fabric, gloss and transparencies.The fabric being either made into yarn is still with the direct structure of fiber At non-woven cloth, all there is a large amount of hole and gaps between their fiber and fiber or between yarn and yarn.When When light penetrates these fabrics, only sub-fraction is transmitted from fiber, is gap and the hole from fabric there are also considerable part light Direct transmissive.Therefore, the small fabric of tightness can see the things of the other side from fabric, the big fabric of tightness from Fabric all can't see the things of the other side.

Fabric vision is unidirectionally shielded and is referred under the irradiation of light source, is stood not seeing in this side of light source through fabric and be knitted The things of the object other side；And the things of this side can be seen clearly in the other side of fabric through fabric by standing.

In recent years, temperament and interest finishing starts to sell well in all kinds of weekends are stayed temporarily villa, high-grade garden district room, and market is anxious There need to be outdoor that the dim window shade yarn woven fabric of the unidirectional shielding character of impermeable photopic vision is presented when looking around at a distance.For example, The tourism hotel on certain scenic spot ground, guest, which will stand by the window, can be clearly seen that the scene of distant place through curtain, and in hotel Outer people but blocks the situation not seen in room due to window shade, both built it is open, straightforward, light, rich in temperament and interest Vacation tourism atmosphere, and well protect room guest privacy, therefore be the Fabrics with the unidirectional shielding action of vision Form the completely new market demand.

However, slim window screenings etc. many at present can only accomplish all-transparent or opaque effect, lacking one kind can be made The spinneret of fabric with the unidirectional shielding of vision.

Utility model content

The utility model proposes a kind of double different composite spinnerets, passes through in view of the above-mentioned problems, overcome at least one deficiency The shape of spinneret orifice designs, and spins out half perspective fabric with the unidirectional shielding action of vision.

The technical solution that the utility model is taken is as follows:

A kind of double different composite spinnerets, including circular spinneret plate body, the spinneret plate body are equipped at least one layer of sandwich layer Spinneret orifice and at least one layer of cortex spinneret orifice, at least one layer sandwich layer spinneret orifice and at least one layer of cortex spinneret orifice are in Same heart shaped arrangement, the cross sectional shape of the sandwich layer spinneret orifice are five leaf, and the cross sectional shape of the cortex spinneret orifice is " N " font And/or " W " font, the quantity of the sandwich layer spinneret orifice are less than the quantity of the cortex spinneret orifice, " N " font of cortex spinneret orifice Or the open top of " W " font is back to the center of circle of spinneret plate body.

In an embodiment of the present invention, sandwich layer spinneret orifice tool is there are five recess, and one of recess is towards institute State the center of circle of spinneret plate body.

In an embodiment of the present invention, the cortex spinneret orifice of same layer is " N " font or is " W " font.

In an embodiment of the present invention, the cortex spinneret orifice of same layer is " N " font and " W " font arranged crosswise.

In an embodiment of the present invention, the number of plies of the sandwich layer spinneret orifice is less than the number of plies of the cortex spinneret orifice.

In an embodiment of the present invention, the number of plies of the sandwich layer spinneret orifice is 1-3 layers.

In an embodiment of the present invention, the number of plies of the cortex spinneret orifice is 3-6 layers.

In an embodiment of the present invention, the number of plies of the cortex spinneret orifice is 3 layers, and every layer of cortex spinneret orifice is " N " font or every layer of cortex spinneret orifice are " W " font.

In an embodiment of the present invention, the number of plies of the cortex spinneret orifice is 3 layers, 1 layer of inner cortex spinneret orifice It is " N " font, 2 layers of outer cortex spinneret orifice are " W " font.

The beneficial effect of the utility model compared with the prior art is: the utility model passes through the " section of sandwich layer spinneret orifice Shape is five leaf, and the cross sectional shape of cortex spinneret orifice is " N " font and/or " W " font, and the quantity of sandwich layer spinneret orifice is less than skin The quantity of layer spinneret orifice, the open circle back to spinneret plate body of the wedge shape at the top of " N " font or " W " font of cortex spinneret orifice Structure setting as the heart " can be processed into half perspective fabric with the unidirectional shielding of vision, so as to obtain extensively Application.The structure of the spinneret is very simple, can effectively control production cost.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of an embodiment of the double different composite spinnerets of the utility model；

Fig. 2 is the structural schematic diagram of another embodiment of the double different composite spinnerets of the utility model；

Fig. 3 is the structural schematic diagram of the another embodiment of the double different composite spinnerets of the utility model；

Fig. 4 is the structural schematic diagram of the sandwich layer spinneret orifice of the double different composite spinnerets of the utility model；

Fig. 5 is the structural schematic diagram of an embodiment of the cortex spinneret orifice of the double different composite spinnerets of the utility model；

Fig. 6 is the structural schematic diagram of another embodiment of the cortex spinneret orifice of the double different composite spinnerets of the utility model.

Specific embodiment

Below with reference to each attached drawing, the utility model is described in detail.

It please refers to shown in Fig. 1,4-6, the utility model provides a kind of double different composite spinnerets, including spinneret plate body 1, described Spinneret plate body 1 is equipped at least one layer of sandwich layer spinneret orifice 2 and at least one layer of cortex spinneret orifice 3, at least one layer sandwich layer spray Wire hole 2 and at least one layer of cortex spinneret orifice 3 are arranged in same heart shaped, and the cross sectional shape of the sandwich layer spinneret orifice 2 is five leaf, The cross sectional shape of the cortex spinneret orifice 3 is " N " font and/or " W " font, and the quantity of the sandwich layer spinneret orifice 2 is less than described The quantity of cortex spinneret orifice 3.The wedge shape at the top of " N " font or " W " font of cortex spinneret orifice 3 is open back to spinneret plate body 1 The center of circle.

The fiber filament that the sandwich layer spinneret orifice 2 of pentalobal cross-section sprays is relatively large in diameter as synnema sandwich layer, and spinning process is cooling Slowly, crystallinity is lower, has biggish bending stiffness and heat-shrinkable；And the cortex spinneret orifice of " N " font or " W " shaped sections 3 fiber filaments sprayed are as synnema cortex, and spinning process is cooling fastly, crystallinity is higher, comparatively delicate, heat-shrinkable It is small.Using the heat-shrinkable difference of different cross-section fiber, processed after weaving is at fabric through final finishings such as refining sizings, five is leaf The core that cross-section fibers tightening is collected in silk thread forms skeleton；And " N " font or " W " shaped sections fiber is relatively relatively loose invests Silk thread surface layer.Due to the open circle back to spinneret plate body 1 of the wedge shape at the top of " N " font or " W " font of cortex spinneret orifice 3 The heart, such structure setting are conducive to surface layer " N " or " W " shaped sections fiber the opening wedge groove in the case where stretching boundling effect Mouth forms opening towards the vee-cut on the outside of silk thread towards synnema fiber outside.Vee-cut can reflection light and form halation, Dim light-shading effect is formed to penetrate light multiple reflections using fabric comparison made of silk thread, realizes that the vision of fabric is unidirectionally shielded The effect of covering.Bonded fabric low-density and tissue weavy grain effect form lateral outdoor perspective in crossover leno and outdoor look around at a distance The unidirectional shielding character of Shi Chengxian opaque vision, fabric whole style it is flat it is very elegant, drapability is good.

Pentalobal cross-section fiber makees sandwich layer, and the groove of " N " font or " W " shaped sections fiber is nested in pentalobal cross-section On petiole, the direction of " N " shaped sections fiber can be fixed, can be made engaged solid between the pentalobal cross-section fiber of sandwich layer It is fixed, stable core structure is formed, finished product synnema does not need air network can looming weaving.

As it can be seen that the utility model is by the way that " cross sectional shape of sandwich layer spinneret orifice 2 is five leaf, the section shapes of cortex spinneret orifice 3 Shape is " N " font and/or " W " font, and the quantity of sandwich layer spinneret orifice 2 is less than the quantity of cortex spinneret orifice 3, cortex spinneret orifice 3 The wedge shape at the top of " N " font or " W " font is open back to the center of circle of spinneret plate body 1 " as structure setting, system can be processed At half perspective fabric with unidirectional shielding, so as to be widely used.The structure of this pair of different composite spinneret is non- It is often simple, it can effectively control production cost.

Further, the sandwich layer spinneret orifice 2 tool is there are five recess, and one of recess is towards the spinneret plate body 1 The center of circle.Such structure advantageously forms stable silk thread core structure.

In one embodiment, as shown in Figure 1, the cortex spinneret orifice 3 of same layer is " N " font.In another embodiment, such as scheme Shown in 2, the cortex spinneret orifice 3 of same layer is " W " font.But not limited to this, in another embodiment, the cortex of same layer sprays Wire hole 3 is " N " font and " W " font arranged crosswise.Wedge-shaped opening is all had at the top of " N " font and " W " font, what is formed knits Object surface has vee-cut, can be formed with multiple reflections light and reflect dazzling phenomenon, to play the effect of half perspective.

The number of plies of the sandwich layer spinneret orifice 2 is less than the number of plies of the cortex spinneret orifice 3.The then skin that cortex spinneret orifice 3 sprays Layer fiber can preferably coat and fix the core fibers of the ejection of sandwich layer spinneret orifice 2, and finished product synnema is easier to form.The core The number of plies of layer spinneret orifice 2 is 1-3 layers.The number of plies of the cortex spinneret orifice 3 is 3-6 layers.

As shown in Figure 1, the number of plies of the sandwich layer spinneret orifice 2 is 2 layers, the number of plies of the cortex spinneret orifice 3 in an embodiment It is 3 layers.In the embodiment, every layer of cortex spinneret orifice 3 is " N " font or every layer of cortex spinneret orifice 3 is " W " font, is such as schemed Shown in 2.

In another embodiment, as shown in figure 3, the number of plies of the cortex spinneret orifice 3 is 3 layers, 1 layer of inner cortex spinneret orifice 3 be " N " font, and 2 layers of outer cortex spinneret orifice 3 are " W " font.

The above is only the preferred embodiment of the present invention, not thereby limits the patent protection of the utility model Range, it is all with equivalent structure transformation made by the utility model specification and accompanying drawing content, directly or indirectly it is used in it His relevant technical field similarly includes within the protection scope of the present utility model.

Claims (9)

1. a kind of double different composite spinnerets, which is characterized in that including circular spinneret plate body, the spinneret plate body is equipped at least One layer of sandwich layer spinneret orifice and at least one layer of cortex spinneret orifice, at least one layer sandwich layer spinneret orifice and at least one layer of cortex Spinneret orifice is arranged in same heart shaped, and the cross sectional shape of the sandwich layer spinneret orifice is five leaf, the cross sectional shapes of the cortex spinneret orifice For " N " font and/or " W " font, the quantity of the sandwich layer spinneret orifice is less than the quantity of the cortex spinneret orifice, cortex spinneret orifice " N " font or " W " font open top back to the center of circle of spinneret plate body.

2. double different composite spinnerets as described in claim 1, which is characterized in that the sandwich layer spinneret orifice has there are five recess, One of recess is towards the center of circle of the spinneret plate body.

3. double different composite spinnerets as described in claim 1, which is characterized in that the cortex spinneret orifice of same layer is " N " word Shape is " W " font.

4. double different composite spinnerets as described in claim 1, which is characterized in that the cortex spinneret orifice of same layer is " N " font " W " font arranged crosswise.

5. double different composite spinnerets as described in claim 1, which is characterized in that the number of plies of the sandwich layer spinneret orifice is less than described The number of plies of cortex spinneret orifice.

6. double different composite spinnerets as claimed in claim 5, which is characterized in that the number of plies of the sandwich layer spinneret orifice is 1-3 layers.

7. double different composite spinnerets as claimed in claim 5, which is characterized in that the number of plies of the cortex spinneret orifice is 3-6 layers.

8. double different composite spinnerets as claimed in claim 7, which is characterized in that the number of plies of the cortex spinneret orifice is 3 layers, often Layer cortex spinneret orifice is " N " font or every layer of cortex spinneret orifice is " W " font.

9. double different composite spinnerets as claimed in claim 7, which is characterized in that the number of plies of the cortex spinneret orifice is 3 layers, is leaned on 1 layer of interior cortex spinneret orifice is " N " font, and 2 layers of outer cortex spinneret orifice are " W " font.