CN212611025U - Melt-blown spinneret plate for producing spiral spinning - Google Patents

Abstract

The utility model provides a production spiral spinning is with melting and spraying spinneret, including the feed plate, the feed plate surface is opened there are a plurality of groups of feed inlets, the feed inlet includes at least A component mouth and B component mouth, A component mouth and B component mouth all run through in the feed plate, the feed plate below is provided with the distributing plate, it has A water conservancy diversion hole and B water conservancy diversion hole respectively to correspond A component mouth and B component mouth position punishment on the distributing plate, install the spinneret below the distributing plate, it has the groove of converging to open on the spinneret, it has the mounting hole to converge the tank bottom, install double helix pipeline in the mounting hole, install lower spinneret below the spinneret on the spinneret, it has the hole of converging to open on the spinneret and the mounting hole correspondence, it has the hole of extruding to converge the hole bottom to open, lower spinneret extrudes spiral spinning through the hole of; this subassembly is extruded through extruding the hole through double helix pipeline with two kinds of component raw materials after the alternately spiral of helical structure mixes simultaneously, increases the elasticity and the toughness of spinning, solves current melt-blown fabric spinning physical property poor, the not problem of usefulness.

Description

Melt-blown spinneret plate for producing spiral spinning

Technical Field

The utility model belongs to the technical field of weaving equipment, especially, be used for melting melt spinning equipment, concretely relates to production spiral spinning is with melting melt spinneret.

Background

The main raw material of the melt-blown fabric is polypropylene (PP), and the melt-blown fabric is superfine electrostatic fiber fabric with the fiber diameter of about 2 microns. The network is also called medical mask melt-blown cloth, melt-blown non-woven cloth and mask cloth. The melt-blown fabric is one of non-woven fabrics, and the non-woven fabrics have a plurality of processing technologies, and the melt-blown method is the most common processing technology in the plurality of technologies. The melt blowing method is a spinning method in which a melt of a polymer just extruded is rapidly subjected to high-speed stretching, solidification and molding by means of a high-speed hot gas stream.

The melt-blown fabric spinneret plate assembly in the prior art can only meet melt-blown spinning and single-structure spinning of single-component raw materials, generally, the conventional spinning has poor physical strength, does not have good elasticity and toughness and is easy to break, while the prior industry needs processes such as weaving, coloring and the like, and if the spinning quality is poor, the melt-blown fabric spinneret plate assembly cannot well meet the requirements of stretching, positioning, coloring and the like of finished products in the modern process; the spinning of helical structure itself produces the stress and the elasticity of recovering according to its helical structure, can increase its elasticity and the toughness of dragging when using, reduces the probability of easily tearing apart.

However, the prior art is generally capable of producing common spinning of single-component raw materials, and the melt-blown spinneret cannot realize the spinning production of patterns, so that a spinneret assembly for producing spiral spinning is needed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the problem that above-mentioned background art provided, provide following technical scheme:

the utility model provides a production spiral spinning is with melting and blowing spinneret, includes the feed plate, the feed plate surface is opened there are a plurality of groups feed inlet, and the feed inlet includes at least A component mouth and B component mouth, A component mouth and B component mouth all run through in the feed plate, the feed plate below is provided with the break plate, it has A water conservancy diversion hole and B water conservancy diversion hole to correspond A component mouth and B component mouth position punishment on the break plate respectively to open, the spinneret is installed to the break plate below, it has the groove of converging to open on the last spinneret to go up, it has the mounting hole to open bottom the sink, install double helix pipeline in the mounting hole, go up the spinneret below and install down the spinneret, it has the hole of converging to open with the mounting hole department of correspondence on the spinneret down, it has the hole of extruding to open bottom the hole of converging, the spinneret extrud.

Preferably, the double spiral sheets of the double spiral pipeline extend upwards to the lower surface of the distribution plate to divide the converging groove into two groove bodies, and the flow guide hole A and the flow guide hole B are respectively communicated with the two groove bodies.

Preferably, a filter screen is arranged between the distribution plate and the upper spinneret plate, and the filter screen covers the upper part of the converging groove.

Preferably, an electric heating wire is embedded in the lower spinneret plate body and arranged outside the extrusion holes.

Preferably, the diameter of the A diversion hole is smaller than that of the A component port, and the diameter of the B diversion hole is smaller than that of the B component port.

Preferably, the lower end of the double-spiral pipeline is provided with a conical structure, and the conical structure extends into the converging hole.

Preferably, the converging groove is a conical groove, the large end of the converging groove faces upwards, the flow guide holes A and the flow guide holes B are communicated with the large end of the converging groove, and the small end of the converging groove is connected to the upper end of the mounting hole downwards.

Preferably, the lower end of the afflux hole is a taper hole, and the small end of the taper hole is connected to the upper end of the extrusion hole.

Preferably, the diameter of the extrusion orifice is less than one third of the diameter of the intake orifice.

Preferably, the feeding plate, the distribution plate, the upper spinneret plate and the lower spinneret plate are fastened into an integral structural plate through bolts.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model separately injects the two component raw materials through the distributing plate, installs the double helix pipeline in the upper spinneret plate, so that no mixed flow is generated in the transmission of the two component raw materials, and finally extrudes the two component raw materials through the extrusion holes after the two component raw materials are mixed by the crossed helix of the helical structure through the double helix pipeline, thereby increasing the elasticity and the toughness of the spinning; when this subassembly uses, pour into A component mouth and B component mouth respectively with A component raw materials and B component raw materials, two kinds of component raw materials are after the flow distribution of flow distribution plate, after filtering the buffering flow through the filter screen, A component raw materials and B component raw materials flow to the groove of converging on both sides respectively, through double helix pipeline's separation and water conservancy diversion, be spiral cross structure when making two kinds of component raw materials follow the discharge of double helix pipeline below, extrude into the spinning through extruding the hole again, form the structure of A component raw materials and B component raw materials spiral cross filamentation.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic plan view of an embodiment of the present invention;

fig. 2 is a cross-sectional view of an embodiment of the present invention;

the embodiment of the utility model provides a mainly contain following element symbol:

a feed plate-1, a component A port-101, a component B port-102, a distribution plate-2, a filter screen-3, an upper spinneret plate-4, a converging groove-401, a mounting hole-402, a double-helix pipeline-5, a lower spinneret plate-6, a converging hole-601, an extrusion hole-602 and an electric heating wire-603.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those 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 and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

As shown in fig. 1 and fig. 2, a melt-blown spinneret plate for producing spiral spinning, comprising a feed plate 1, wherein a plurality of groups of feed inlets are formed on the surface of the feed plate 1, each feed inlet comprises at least an a component port 101 and a B component port 102, both the a component port 101 and the B component port 102 penetrate through the feed plate 1, a distribution plate 2 is arranged below the feed plate 1, a guide hole a and a guide hole B are respectively formed at positions corresponding to the a component port 101 and the B component port 102 on the distribution plate 2, an upper spinneret plate 4 is arranged below the distribution plate 2, a converging groove 401 is formed on the upper spinneret plate 4, a mounting hole 402 is formed at the bottom of the converging groove 401, a double-spiral pipeline 5 is arranged in the mounting hole 402, a lower spinneret plate 6 is arranged below the upper spinneret plate 4, a converging hole 601 is formed at a position corresponding to the mounting hole 402 on the lower spinneret plate 6, and an extruding hole 602 is formed at the bottom of, the lower spinneret 6 extrudes a spiral spun yarn through the extrusion hole 602.

The utility model discloses a two kinds of component raw materials are separately injected into to break board 2, install double helix pipeline 5 in last spinneret 4, do not produce the mixed flow in making two kinds of component raw materials in the transmission, extrude through extruding hole 602 after mixing two kinds of component raw materials with helical structure alternately spiral simultaneously through double helix pipeline 5 at last, increase the elasticity and the toughness of spinning.

The double-spiral piece of the double-spiral pipeline 5 extends upwards to the lower surface of the distribution plate 2 and divides the converging groove 401 into two groove bodies, and the A diversion hole and the B diversion hole are respectively communicated with the two groove bodies.

A filter screen 3 is arranged between the distribution plate 2 and the upper spinneret plate 4, the filter screen 3 covers the upper part of the converging groove 401, and the filter screen 3 can filter and buffer the flow of the raw materials.

An electric heating wire 603 is embedded in the plate body of the lower spinneret plate 6, and the electric heating wire 603 is arranged outside the extrusion hole 602, so that the problem that the extrusion is difficult due to the dry condensation of raw materials during the extrusion is solved; the diameter of the A diversion hole is smaller than that of the A component port 101, and the diameter of the B diversion hole is smaller than that of the B component port 102.

The lower end of the double spiral pipe 5 is provided with a conical structure, and the conical structure extends into the converging hole 601.

The converging groove 401 is a conical groove, the large end of the converging groove is upward, the guide hole A and the guide hole B are both communicated with the large end, the small end of the converging groove is downward connected to the upper end of the mounting hole 402, and the conical structure is convenient for guiding raw materials; the lower end of the converging hole 601 is set to be a tapered hole, and the small end of the tapered hole is connected to the upper end of the extrusion hole 602; the diameter of the extrusion hole 602 is less than one third of the diameter of the confluence hole 601; the feeding plate 1, the distribution plate 2, the upper spinneret plate 4 and the lower spinneret plate 6 are fastened into an integral structural plate through bolts.

When this subassembly uses, pour into A component mouth 101 and B component mouth 102 respectively with A component raw materials and B component raw materials, two kinds of component raw materials are after the flow distribution of flow distribution plate, after filtering the buffering flow through filter screen 3, A component raw materials and B component raw materials flow to the groove 401 of converging on both sides respectively, through the separation and the water conservancy diversion of double helix pipeline 5, be spiral cross structure when making two kinds of component raw materials from the 5 below ejection of compact of double helix pipeline, extrude into the spinning through extruding hole 602 again, form the structure that A component raw materials and B component raw materials spiral are alternately filamentized.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (10)

1. A melt-blown spinneret plate for producing spiral spinning is characterized in that: the feeding plate comprises a feeding plate (1), a plurality of groups of feeding holes are formed in the surface of the feeding plate (1), the feeding holes comprise at least an A component port (101) and a B component port (102), the A component port (101) and the B component port (102) penetrate through the feeding plate (1), a distribution plate (2) is arranged below the feeding plate (1), a A flow guide hole and a B flow guide hole are respectively formed in positions corresponding to the A component port (101) and the B component port (102) on the distribution plate (2), an upper spinneret plate (4) is installed below the distribution plate (2), a converging groove (401) is formed in the upper spinneret plate (4), a mounting hole (402) is formed in the bottom of the converging groove (401), a double-helix pipeline (5) is installed in the mounting hole (402), a lower spinneret plate (6) is installed below the upper spinneret plate (4), and a converging hole (601) is formed in the corresponding positions of the lower spinneret plate (6) and the mounting hole (402), the bottom of the converging hole (601) is provided with an extrusion hole (602), and the lower spinneret plate (6) extrudes spiral spinning through the extrusion hole (602).

2. The melt blowing spinneret plate according to claim 1, wherein: the double-spiral piece of double-spiral pipeline (5) upwards extends to the lower surface of distributing plate (2), will converge groove (401) and separate into two cell bodies, A water conservancy diversion hole and B water conservancy diversion hole communicate with each other with two cell bodies respectively.

3. The melt blowing spinneret plate according to claim 2, wherein: a filter screen (3) is arranged between the distribution plate (2) and the upper spinneret plate (4), and the filter screen (3) covers the converging groove (401).

4. The melt blowing spinneret plate according to claim 3, wherein: electric heating wires (603) are embedded in the plate body of the lower spinneret plate (6), and the electric heating wires (603) are arranged on the outer side of the extrusion hole (602).

5. The melt blowing spinneret plate according to claim 4, wherein: the diameter of the A diversion hole is smaller than that of the A component port (101), and the diameter of the B diversion hole is smaller than that of the B component port (102).

6. The melt blowing spinneret plate according to claim 5, wherein: the lower end of the double-spiral pipeline (5) is provided with a conical structure, and the conical structure extends into the converging hole (601).

7. The melt blowing spinneret plate according to claim 6, wherein: the converging groove (401) is a conical groove, the large end of the converging groove faces upwards, the A diversion hole and the B diversion hole are communicated to the large end, and the small end of the converging groove is connected to the upper end of the mounting hole (402) downwards.

8. The melt blowing spinneret plate according to claim 7, wherein: the lower end of the converging hole (601) is a tapered hole, and the small end of the tapered hole is connected to the upper end of the extrusion hole (602).

9. The melt blowing spinneret plate according to claim 8, wherein: the diameter of the extrusion hole (602) is less than one third of the diameter of the confluence hole (601).

10. The melt blowing spinneret plate according to claim 9, wherein: the feeding plate (1), the distribution plate (2), the upper spinneret plate (4) and the lower spinneret plate (6) are fastened into an integral structural plate through bolts.

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