CN219861704U - Spinneret plate, spinning assembly and female yarn - Google Patents

Abstract

The utility model discloses a spinneret plate, a spinning component and a parent yarn, wherein the spinneret plate comprises: the back of the plate body is provided with a diversion part protruding and tapering; the plate body is provided with a plurality of spinneret orifices, and the spinneret orifices are sequentially distributed around the shunt part. The spin pack assembly includes: a cylindrical housing; a pressure cover; a filter layer; a distribution plate; the spinneret plate is the spinneret plate, the pressure cover, the filter layer, the distribution plate and the spinneret plate are sequentially stacked in the cylindrical shell, and the back surface of the spinneret plate faces the distribution plate. The mother yarn is made of the spinning component. The melt flows to the spinneret orifices after being separated by the conical separation part, so that the melt is prevented from accumulating, and the melt is ensured to be dispersed so as to uniformly flow to the spinneret orifices.

Description

Spinneret plate, spinning assembly and female yarn

Technical Field

The utility model relates to the field of spinning components, in particular to a spinneret plate, a spinning component and a female yarn.

Background

With the continuous progress of production technology and equipment updating, the production research of polyester filaments develops porous spinning by utilizing a spinneret plate, a bundled female filament is firstly prepared, and then the female filament is divided into filaments by using a fiber dividing device to obtain monofilaments for subsequent processing. In the production of polyester filaments, a spinning component is a spinning heart, and during melt spinning, the internal parts of the spinning component are responsible for the functions of distributing melt, mixing, filtering the melt and the like. The flow conditions and resistance of the melt as it passes through these internals, the choice of filter material, the manner of sealing and the materials are important factors which are involved in the spinning process.

The internal parts of the common spinning assembly comprise nuts, a pressure cover, a combined filter layer, a distribution plate and a spinneret plate, after flowing into the spinning assembly, the melt enters the cavity of the sand cup of the assembly through a guide hole on the pressure cover, thus entering the filter layer, the filtered melt flows into the distribution plate, the melt distributed by the distribution plate is extruded and molded through the guide hole and the micropore of the spinneret plate, and the melt is extruded and swelled from the spinneret plate hole through a certain plate pressure.

Different from the traditional civil yarn, the female yarn has the advantages that the quality of each hole yarn is good, the female yarn is uniform and consistent, and in the case of 48 spindles/sleeves of warping and fiber dividing yarn, 480 yarns in the sleeve of pan heads have uniform and excellent quality, and the female yarn can meet the market requirements of high standards and high ends. The melt flow and uniformity inside the assembly relate to the problems of yarn breakage, abnormal fiber separation at the rear end and the like caused by unknown reasons in spinning production, such as assembly connectors, and the problems of poor production spinning conditions and difficult fiber separation are seriously caused. The existing spinneret plate is of a planar structure, a groove is formed in the middle of the spinneret plate along the diameter, a plurality of spinneret holes are formed in the groove, and during use, spinning molten liquid is easily accumulated on the spinneret plate, so that the quality and uniformity of a filament are affected.

Disclosure of Invention

Therefore, it is necessary to provide a spinneret plate, a spinning assembly and a parent yarn, so as to solve the problems that the spinneret plate of the spinning assembly is easy to accumulate melt and affects the quality and uniformity of the produced yarn in the prior art.

To achieve the above object, the present inventors provide a spinneret plate comprising:

the back of the plate body is provided with a diversion part protruding and tapering; the plate body is provided with a plurality of spinneret orifices, and the spinneret orifices are sequentially distributed around the shunt part.

In some embodiments, the side of the plate body is provided with mounting positioning holes, and the plurality of spinning holes are symmetrically distributed along the central axis where the mounting positioning holes are located.

In some embodiments, the back of the plate body is provided with a groove, and the shunt is provided in the groove.

In some embodiments, an annular gap is left between the flow dividing portion and the side wall of the groove, and a plurality of spinning holes are arranged at the annular gap.

In some embodiments, the back of the plate body is provided with an annular seal groove, and the plurality of spinneret orifices are enclosed within the annular seal groove.

In some embodiments, the front face of the plate body is provided with an annular groove, and the plurality of spinning holes are sequentially arranged along the annular groove.

In some embodiments, the spinneret orifices are provided with five.

In some embodiments, the orifices taper from the back side of the plate body to the front side of the plate body.

The spinneret plate comprises a plate body, wherein a diversion part protruding to be conical is arranged on the back surface of the plate body; the plate body is provided with a plurality of spinneret orifices, and the spinneret orifices are sequentially distributed around the shunt part. When the melt flows to the back of the plate body, the melt flows to the spinneret orifices after being divided by the conical dividing part, so that the melt can be prevented from piling up, the melt can be ensured to be dispersed and evenly flow to the spinneret orifices, the melt can be fully extruded in the spinneret orifices, the spinneret orifices can be fully extruded with silk threads, and the silk threads are prevented from having groove points or gaps; in addition, from the aspect of fluid mechanics, the structure with the conical flow dividing part can improve the spraying pressure, and the melt can be more concentrated when being sprayed, so that the spinneret plate has the advantages of avoiding melt accumulation, ensuring the spinning quality and ensuring the uniformity of the silk threads.

The inventors also provide a spin pack assembly comprising:

a cylindrical housing;

a pressure cover;

a filter layer;

a distribution plate;

the spinneret plate is any one of the spinneret plates, the pressure cover, the filter layer, the distribution plate and the spinneret plate are sequentially stacked in the cylindrical shell, and the back surface of the spinneret plate faces the distribution plate.

Compared with the prior art, the spinning component in the technical scheme comprises the spinneret plate, wherein the back surface of the plate body of the spinneret plate is provided with the convex conical flow dividing part, so that when the melt flows to the back surface of the plate body, the melt flows to the spinneret holes after being divided by the conical flow dividing part, thereby avoiding the accumulation of the melt, ensuring that the melt can be dispersed so as to uniformly flow to the spinneret holes, extruding the melt in the spinneret holes, and extruding silk threads in the spinneret holes, thereby avoiding the silk threads from having groove points or gaps; in addition, from the aspect of fluid mechanics, the structure with the conical flow dividing part can improve the spraying pressure, and the melt can be more concentrated when being sprayed, so that the spinning component has the advantages of avoiding the accumulation of the melt, ensuring the spinning quality and ensuring the uniformity of the silk threads.

The inventor also provides a parent yarn which is made of the spinning assembly.

Different from the prior art, the mother yarn according to the technical scheme is made of the spinning component, so that the quality can be ensured, and the yarn is uniform.

The foregoing summary is merely an overview of the present utility model, and may be implemented according to the text and the accompanying drawings in order to make it clear to a person skilled in the art that the present utility model may be implemented, and in order to make the above-mentioned objects and other objects, features and advantages of the present utility model more easily understood, the following description will be given with reference to the specific embodiments and the accompanying drawings of the present utility model.

Drawings

The drawings are only for purposes of illustrating the principles, implementations, applications, features, and effects of the present utility model and are not to be construed as limiting the utility model.

In the drawings of the specification:

FIG. 1 is a cross-sectional view of a spinneret plate according to an embodiment;

FIG. 2 is a cross-sectional view of another spinneret plate according to an embodiment;

FIG. 3 is a front view of a spinneret plate according to an embodiment;

FIG. 4 is a cross-sectional view of a spinneret orifice according to an embodiment;

FIG. 5 is an exploded view of the spin pack assembly according to an embodiment;

reference numerals referred to in the above drawings are explained as follows:

1. a plate body;

10. a front face; 11. a back surface; 12. a split flow section; 13. a spinneret orifice; 14. a groove; 15. an annular gap; 16. an annular seal groove; 17. an annular groove; 18. installing a positioning hole;

2. a cylindrical housing;

3. a pressure cover;

4. a filter layer;

5. a distribution plate.

Detailed Description

In order to describe the possible application scenarios, technical principles, practical embodiments, and the like of the present utility model in detail, the following description is made with reference to the specific embodiments and the accompanying drawings. The embodiments described herein are only for more clearly illustrating the technical aspects of the present utility model, and thus are only exemplary and not intended to limit the scope of the present utility model.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the utility model. The appearances of the phrase "in various places in the specification are not necessarily all referring to the same embodiment, nor are they particularly limited to independence or relevance from other embodiments. In principle, in the present utility model, as long as there is no technical contradiction or conflict, the technical features mentioned in each embodiment may be combined in any manner to form a corresponding implementable technical solution.

Unless defined otherwise, technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present utility model pertains; the use of related terms herein is for the purpose of describing particular embodiments only and is not intended to limit the utility model.

In the description of the present utility model, the term "and/or" is a representation for describing a logical relationship between objects, which means that three relationships may exist, for example a and/or B, representing: there are three cases, a, B, and both a and B. In addition, the character "/" herein generally indicates that the front-to-back associated object is an "or" logical relationship.

In the present utility model, terms such as "first" and "second" are used merely to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual number, order, or sequence of such entities or operations.

Without further limitation, the use of the terms "comprising," "including," "having," or other like terms in this specification is intended to cover a non-exclusive inclusion, such that a process, method, or article of manufacture that comprises a list of elements does not include additional elements but may include other elements not expressly listed or inherent to such process, method, or article of manufacture.

As in the understanding of "review guidelines," the expressions "greater than", "less than", "exceeding" and the like are understood to exclude this number in the present utility model; the expressions "above", "below", "within" and the like are understood to include this number. Furthermore, in the description of embodiments of the present utility model, the meaning of "a plurality of" is two or more (including two), and similarly, the expression "a plurality of" is also to be understood as such, for example, "a plurality of" and the like, unless specifically defined otherwise.

In the description of embodiments of the present utility model, spatially relative terms such as "center," "longitudinal," "transverse," "length," "width," "thickness," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "vertical," "top," "bottom," "inner," "outer," "clockwise," "counter-clockwise," "axial," "radial," "circumferential," etc., are used herein as a basis for the description of the embodiments or as a basis for the description of the embodiments, and are not intended to indicate or imply that the devices or components referred to must have a particular position, a particular orientation, or be configured or operated in a particular orientation and therefore should not be construed as limiting the embodiments of the present utility model.

Unless specifically stated or limited otherwise, the terms "mounted," "connected," "affixed," "disposed," and the like as used in the description of embodiments of the utility model should be construed broadly. For example, the "connection" may be a fixed connection, a detachable connection, or an integral arrangement; the device can be mechanically connected, electrically connected and communicated; it can be directly connected or indirectly connected through an intermediate medium; which may be a communication between two elements or an interaction between two elements. The specific meaning of the above terms in the embodiments of the present utility model can be understood by those skilled in the art to which the present utility model pertains according to circumstances.

In the production of polyester filaments, a spinning component is a spinning heart, and during melt spinning, the internal parts of the spinning component are responsible for the functions of distributing melt, mixing, filtering the melt and the like. The flow conditions and resistance of the melt as it passes through these internals, the choice of filter material, the manner of sealing and the materials are important factors which are involved in the spinning process. The internal parts of the common spinning assembly comprise nuts, a pressure cover, a combined filter layer, a distribution plate and a spinneret plate, after flowing into the spinning assembly, the melt enters the cavity of the sand cup of the assembly through a guide hole on the pressure cover, thus entering the filter layer, the filtered melt flows into the distribution plate, the melt distributed by the distribution plate is extruded and molded through the guide hole and the micropore of the spinneret plate, and the melt is extruded and swelled from the spinneret plate hole through a certain plate pressure.

Different from the traditional civil yarn, the female yarn has the advantages that the quality of each hole yarn is good, the female yarn is uniform and consistent, and in the case of 48 spindles/sleeves of warping and fiber dividing yarn, 480 yarns in the sleeve of pan heads have uniform and excellent quality, and the female yarn can meet the market requirements of high standards and high ends. The melt flow and uniformity inside the assembly relate to the problems of yarn breakage, abnormal fiber separation at the rear end and the like caused by unknown reasons in spinning production, such as assembly connectors, and the problems of poor production spinning conditions and difficult fiber separation are seriously caused.

The existing spinneret plate is of a planar structure, a groove is formed in the middle of the spinneret plate along the diameter, a plurality of spinneret holes 13 are formed in the groove, and during use, spinning molten liquid is easily accumulated on the spinneret plate, so that the quality and uniformity of a discharged yarn are affected. Therefore, the utility model provides a spinneret plate to solve the problems that melt is easy to accumulate and the quality and uniformity of the extruded filaments are affected in the spinneret plate in the prior art, and the spinneret plate can prevent the melt from accumulating and ensure that the melt uniformly enters the spinneret orifice 13 and the extruded filaments are uniform.

Referring to fig. 1 and 3, in a specific embodiment, the spinneret plate includes a plate body 1, the plate body 1 is made of metal material and is disc-shaped, and when the spinneret plate is assembled into a spinning assembly, a front surface 10 of the plate body 1 faces to the outside of the spinning assembly, and a back surface 11 of the plate body 1 faces to the inside of the spinning assembly and faces to other components of the spinning assembly.

The back 11 of the plate body 1 is provided with a protruding conical flow dividing part 12, specifically, the flow dividing part 12 can be conical, the flow dividing part 12 is located at the center of the plate body 1, the center of the flow dividing part 12 is aligned with the center of the plate body 1, after the melt flows to the spinneret plate, the melt can be divided by the conical structure of the flow dividing part 12 under the action of the flow dividing part 12 and can flow to the periphery of the plate body 1 along the slope of the flow dividing part 12, so that the structure is favorable for the melt to flow to the periphery of the spinneret plate, the flow dividing and guiding functions are achieved, and the effect of avoiding accumulation is achieved.

The plate body 1 is provided with a plurality of spinneret holes 13, the spinneret holes 13 penetrate through the front face 10 of the plate body 1 from the back face 11 of the plate body 1, the plurality of spinneret holes 13 are sequentially distributed around the diversion part 12, when the melt flows to the back face 11 of the plate body 1, the melt flows to the spinneret holes 13 after being diverted by the conical diversion part 12, so that the melt can be prevented from piling up, the melt can be ensured to be dispersed and evenly flow to the positions of the spinneret holes 13, the inside of each spinneret hole 13 can be fully extruded with the melt, each spinneret hole 13 can be fully extruded with the silk thread, and the silk thread is prevented from having groove points or gaps; in addition, the structure with the conical flow dividing part 12 can improve the spraying pressure and concentrate the melt during spraying, so that the spinneret plate has the advantages of avoiding melt accumulation, ensuring the spinning quality and ensuring the uniformity of the silk threads.

The plurality of spinning holes 13 are distributed along the circumferential direction of the plate body 1, and on the premise of arranging the same number of spinning holes 13, the spacing between the adjacent spinning holes 13 can be larger compared with the existing linear arrangement, so that the mutual winding of silk threads in the spinning process can be avoided.

In some embodiments, the side surface of the plate body 1 is provided with a mounting positioning hole 18, the spinning component is mounted on a screw extruder, the screw extruder is provided with a mounting protrusion matched with the mounting positioning hole, and when the spinning component is mounted on the screw extruder, the mounting protrusion is positioned in the mounting positioning hole to limit the mounting position and the mounting direction of the spinning component, so that the mounting positioning hole 18 is positioned in the blowing direction.

Referring to fig. 3, in some embodiments, the plurality of spinning holes 13 are symmetrically distributed along the central axis where the mounting positioning holes are located, so that after the spinning assembly is mounted on the screw extruder, the plurality of spinning holes 13 are symmetrically distributed along the blowing direction, which facilitates cooling.

Referring to fig. 2, in some embodiments, the back surface 11 of the plate body 1 is provided with a groove 14, and the diversion portion 12 is disposed in the groove 14, so that the melt can be prevented from flowing out of the plate body 1, and the melt diverted by the diversion portion 12 is ensured to be in the plate body 1.

The plurality of spinning holes 13 may be located at the plate body 1 or at the splitting part 12, that is, the spinning holes 13 pass through the splitting part 12 and then pass through the plate body 1, preferably, the spinning holes 13 are located at the edge of the splitting part 12 and at the plate body 1, in some embodiments, an annular gap 15 is left between the splitting part 12 and the side wall of the groove 14, and the plurality of spinning holes 13 are located at the annular gap 15.

To ensure that after the spinneret is mounted at the spin pack assembly, the melt does not flow from the edge of the spinneret to the front face 10 of the plate body 1, in some embodiments the back face 11 of the plate body 1 is provided with an annular seal groove 16, and a plurality of spinneret holes 13 are enclosed within the annular seal groove 16, and seal rings may be provided in the seal groove, so that after the distribution plate 5 abuts against the spinneret, the melt flowing between the spinneret and the distribution plate 5 does not leak.

In some embodiments, the front surface 10 of the plate body 1 is provided with an annular groove 17, and the plurality of spinning holes 13 are sequentially arranged along the annular groove 17.

Referring to fig. 3, in some embodiments, the orifices 13 may be provided with five orifices.

Referring to fig. 4, in some embodiments, the diameters of the spinning holes 13 gradually decrease from the back surface 11 of the plate body 1 to the front surface 10 of the plate body 1.

Referring to fig. 5, the utility model further provides a spinning assembly, which comprises a cylindrical shell 2, a pressure cover 3, a filter layer 4, a distribution plate 5 and a spinneret plate, wherein the spinneret plate is any one of the above, the pressure cover 3, the filter layer 4, the distribution plate 5 and the spinneret plate are sequentially stacked in the cylindrical shell 2, and the back 11 of the spinneret plate faces the distribution plate 5.

The spinning component comprises a spinneret plate, wherein the back surface 11 of the plate body 1 of the spinneret plate is provided with a diversion part 12 protruding to be conical, so that when a melt flows to the back surface 11 of the plate body 1, the melt is diverted by the conical diversion part 12 and flows to the spinneret holes 13, thereby avoiding the accumulation of the melt, ensuring that the melt can be dispersed to uniformly flow to the spinneret holes 13, enabling the inside of each spinneret hole 13 to be fully extruded with the melt, enabling each spinneret hole 13 to be fully extruded with a silk thread, and avoiding the silk thread from having groove points or gaps; in addition, the structure with the conical flow dividing part 12 can improve the spraying pressure and concentrate the melt during spraying, so the spinning assembly has the advantages of avoiding melt accumulation, ensuring spinning quality and ensuring uniform silk threads.

The utility model also provides a mother yarn which is made of the spinning component, so that the quality can be ensured, and the yarn is uniform.

Finally, it should be noted that, although the embodiments have been described in the text and the drawings, the scope of the utility model is not limited thereby. The technical scheme generated by replacing or modifying the equivalent structure or equivalent flow by utilizing the content recorded in the text and the drawings of the specification based on the essential idea of the utility model, and the technical scheme of the embodiment directly or indirectly implemented in other related technical fields are included in the patent protection scope of the utility model.

Claims (8)

1. A spinneret plate, comprising:

the back of the plate body is provided with a diversion part protruding and tapering; the split part is positioned at the center of the plate body; the plate body is provided with a plurality of spinning holes which are sequentially distributed around the splitting part; the back of the plate body is provided with a groove, and the flow dividing part is arranged in the groove; an annular gap is reserved between the flow dividing part and the side wall of the groove, and a plurality of spinning holes are formed in the annular gap.

2. The spinneret plate as claimed in claim 1, wherein the side surface of the plate body is provided with mounting and positioning holes, and the plurality of spinneret holes are symmetrically distributed along a central axis where the mounting and positioning holes are located.

3. The spinneret plate as claimed in claim 1, wherein the back surface of the plate body is provided with an annular seal groove, and the plurality of spinneret orifices are enclosed within the annular seal groove.

4. The spinneret plate as claimed in claim 1, wherein the front surface of the plate body is provided with an annular groove, and the plurality of spinneret orifices are sequentially arranged along the annular groove.

5. The spinneret plate as claimed in claim 1, wherein said spinneret holes are provided with five.

6. The spinneret plate as claimed in claim 1, wherein the orifices have diameters that gradually decrease from the back surface of the plate body to the front surface of the plate body.

7. A spin pack assembly comprising:

a cylindrical housing;

a pressure cover;

a filter layer;

a distribution plate;

the spinneret plate is the spinneret plate according to any one of claims 1-6, the pressure cover, the filter layer, the distribution plate and the spinneret plate are sequentially stacked in the cylindrical shell, and the back surface of the spinneret plate faces the distribution plate.

8. A masterbatch, characterized in that it is made of the spin pack of claim 7.