CN111088530A

CN111088530A - Spinneret plate for producing hot melt adhesive net film

Info

Publication number: CN111088530A
Application number: CN202010007267.9A
Authority: CN
Inventors: 阳新江
Original assignee: Huzhou Xinjiuli Machinery Co Ltd
Current assignee: Huzhou Xinjiuli Machinery Co Ltd
Priority date: 2020-01-04
Filing date: 2020-01-04
Publication date: 2020-05-01

Abstract

The invention discloses a spinneret plate for producing a hot melt adhesive net film, which belongs to the technical field of spinneret plates and comprises a hot melt chamber, wherein the top of the hot melt chamber is provided with a feed pipe, the left side of the feed pipe is provided with an air pipe, the middle part of the hot melt chamber is provided with an oil pipe, the bottom of the hot melt chamber is provided with a spinneret plate, the spinneret plate comprises a bottom plate and a top plate, and the top plate is directly replaced when hole patterns need to be replaced, the bottom plate does not need to be replaced, so that manufacturing materials and the like of the bottom part of the spinneret plate are saved, namely the cost of the spinneret plate is saved, and the.

Description

Spinneret plate for producing hot melt adhesive net film

Technical Field

The invention relates to the technical field of spinneret plates, in particular to a spinneret plate for producing a hot melt adhesive net film.

Background

The spinneret plate is also called as a spinning cap. The spinneret plate is used for converting a viscous-flow-state polymer melt or solution into a thin flow with a specific cross section through micropores, and solidifying the thin flow through a solidification medium such as air or a solidification bath to form filaments. The spinneret plate has different specifications, shapes, hole patterns, materials and the like according to the spinning requirements of different fibers.

The spinneret orifices are usually formed by small holes or capillary openings, the geometry of which directly influences the flow behavior of the melt and thus the fiber formation.

At present, spinneret orifices and guide holes of a spinneret plate are of an integrated hole cavity structure, so that hole patterns of the guide holes are fixed, if the guide holes with different hole patterns need to be replaced for spinneret orifices, the whole spinneret plate needs to be replaced, the hole patterns of the guide holes of the spinneret plate with different hole patterns only have the shape of a hole cavity at the upper part, and the hole cavity at the bottom of the guide hole is a cylindrical hole cavity.

This same part replacement undoubtedly increases the manufacturing cost of the spinneret plate, i.e., for the hot melt adhesive web manufacturing enterprises using spinneret plates with different hole patterns, the manufacturing cost of the hot melt adhesive web is increased. Based on the above, the invention designs a spinneret plate for producing a hot melt adhesive net film, so as to solve the problems.

Disclosure of Invention

The invention aims to provide a spinneret plate for producing a hot melt adhesive net film, which aims to solve the problem that when the spinneret plates with different hole types provided in the background art are replaced, the plate bodies of the same parts are equivalent to be manufactured repeatedly, so that the manufacturing cost of the spinneret plates is undoubtedly increased, namely the manufacturing cost for producing the hot melt adhesive net film is increased for hot melt adhesive net film production enterprises using the spinneret plates with different hole types.

In order to achieve the purpose, the invention provides the following technical scheme: a spinneret plate for producing a hot melt adhesive net film comprises a hot melt cavity, wherein a feed pipe is installed at the top of the hot melt cavity, an air pipe is arranged on the left side of the feed pipe, an oil pipe is arranged in the middle of the hot melt cavity, a spinneret plate is installed at the bottom of the hot melt cavity, and the spinneret plate comprises a bottom plate and a top plate;

the bottom plate is a square plate, an embedded groove is formed in the middle of the top wall of the bottom plate, a sealing insert ring is arranged on the periphery of the embedded groove, first guide holes are uniformly formed in the bottom wall of the embedded groove, threaded holes are uniformly formed in an edge groove cavity of the embedded groove, and first insertion holes are uniformly formed in the edge of the bottom plate;

the roof is square board, the welding of the top lateral wall of roof has the flange, the second guide hole has evenly been seted up on the plate body of roof, evenly set up on the flange with the second jack.

Preferably, the hot melt cavity is a square box cavity structure with an opening at the bottom, a slot is formed in the bottom wall of the hot melt cavity, an ear block is welded at the outer side of the opening at the bottom of the hot melt cavity, and an inserting hole is uniformly formed in the block body of the ear block.

Preferably, the bottom of inlet pipe and trachea all communicates with the inner chamber of hot melt cavity, oil pipe is the S type of continuous form and distributes at the inner chamber of hot melt cavity, and the both ends of oil pipe run through the chamber wall of hot melt cavity left and right sides respectively.

Preferably, the first insertion hole is aligned with the insertion hole of the lug block at the bottom of the hot melting chamber and is fixedly connected with the insertion hole through a bolt, and the sealing insertion ring is inserted into the insertion groove in the bottom wall of the hot melting chamber.

Preferably, the top plate is embedded in the groove cavity of the caulking groove, the bottom wall of the top plate is abutted to the bottom wall of the groove cavity of the caulking groove, the first guide hole is aligned with the second guide hole, and the threaded hole is aligned with the second jack and fixedly connected with the second jack through screws.

Compared with the prior art, the invention has the beneficial effects that: the spinneret plate is divided into two parts by the arrangement of the bottom plate and the top plate, the first guide hole on the bottom plate is a cylindrical hole and is used for extruding a melt, the hole cavity of the second guide hole on the top plate is a hole cavity and is used for extruding the melt, the forming of spinneret fiber is influenced by the hole shape of the second guide hole, the top plate is directly replaced when the hole shape needs to be replaced, the bottom plate does not need to be replaced, and therefore, the manufacturing materials and the like of the bottom part of the spinneret plate are saved, the cost of the spinneret plate is saved, and the production cost of the hot melt adhesive is saved.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

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

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;

FIG. 3 is a schematic view of the bottom plate structure of the present invention;

FIG. 4 is a schematic view of the top plate construction of the present invention;

FIG. 5 is a schematic view of the distribution of the oil pipe of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

001-hot melt chamber, 002-feed tube, 003-gas tube, 004-oil tube, 100-spinneret plate, 110-bottom plate, 111-caulking groove, 112-sealing insert ring, 101-first guide hole, 102-thread groove, 103-first insertion hole, 120-top plate, 121-flange, 104-second guide hole and 105-second insertion hole.

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.

Referring to fig. 1-5, the present invention provides a technical solution: a spinneret plate for producing a hot melt adhesive net film comprises a hot melt cavity 001, a feeding pipe 002, an air pipe 003, an oil pipe 004 and a spinneret plate 100. Heat conduction oil is injected into the tube cavity of the oil pipe 004, and two ends of the oil pipe 004 are communicated with external heat conduction oil circulation equipment, so that the heat conduction oil can continuously and uniformly heat and melt the hot melt adhesive in the inner cavity of the hot melt chamber 001; the top end of the feed pipe 002 is externally connected with external material conveying equipment, and hot melt adhesive is injected into the hot melt cavity 001 through the feed pipe 002, so that the feed pipe 002 supplies the hot melt adhesive to the inner cavity of the hot melt cavity 001; the top of trachea 003 is external atmospheric pressure regulating apparatus to supply pressure to the inner chamber of hot melt chamber 001, make things convenient for the hot melt adhesive to be extruded by the guide hole of spinneret 100.

The spinneret plate 100 is formed by combining a bottom plate 110 and a top plate 120, the guide holes of the spinneret plate 100 are formed by a second guide hole 104 and a second guide hole 101 which are communicated with each other, the bottom aperture of the second guide hole 104 is the same as that of the first guide hole 101, the first guide hole 101 is of a cylindrical straight hole structure, and the cavity shape of the second guide hole 104 can be produced into a cylinder, a cone, a hyperbola, a secondary cylinder, a flat-bottom cylinder and the like according to production requirements. The sealing insert ring 112 is inserted into the slot of the bottom wall of the hot melting chamber 001, and the surface of the sealing insert ring 112 is attached to the inner cavity wall of the slot.

In the present invention, the purpose of influencing the formation of the spun fibers by the hole pattern is achieved by replacing the second guide holes 104 with different hole patterns, because the second guide holes 104 are located on the plate body of the top plate 120, only the top plate 120 in the groove cavity of the caulking groove 111 is replaced, and the entire spinneret plate 100 does not need to be replaced, when the spinneret plate 100 is manufactured, each bottom plate 110 can be provided with a plurality of top plates 120, and the hole cavity shape of the second guide holes 104 of each group of top plates 120 can be opened with different hole patterns according to the production requirements, so that compared with the conventional spinneret plate, the spinneret plate 100 of the present invention omits the repeated manufacture of the same structural part at the bottom of the conventional spinneret plate, saves the manufacturing materials of the spinneret plate 100, and the like, i.e., saves the cost of the spinneret plate, thereby saving the production cost of the.

One specific application of this embodiment is: the hot melt adhesive enters the hot melt cavity 001 from the feeding pipe 002, is heated by the heat conducting oil in the pipe cavity of the oil pipe 004 and is hot-melted into a melt, then the air pipe 003 pressurizes the inner cavity of the hot melt cavity 001, so that the melt in the inner cavity of the hot melt cavity 001 is extruded from the top port of the second guide hole 104 and extruded from the bottom port of the first guide hole 101, and the purpose of spinning the melt in the inner cavity of the hot melt cavity 001 is achieved.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically coupled, may be directly coupled, or may be indirectly coupled through an intermediary. To those of ordinary skill in the art, the specific meanings of the above terms in the present invention are understood according to specific situations. In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a spinneret is used in production of hot melt adhesive nethike embrane, includes hot melt cavity (001), its characterized in that: a feeding pipe (002) is installed at the top of the hot melting chamber (001), an air pipe (003) is arranged on the left side of the feeding pipe (002), an oil pipe (004) is arranged in the middle of the hot melting chamber (001), a spinneret plate (100) is installed at the bottom of the hot melting chamber (001), and the spinneret plate (100) comprises a bottom plate (110) and a top plate (120);

the bottom plate (110) is a square plate, an embedded groove (111) is formed in the middle of the top wall of the bottom plate (110), a sealing insert ring (112) is arranged on the periphery of the embedded groove (111), first guide holes (101) are uniformly formed in the bottom wall of the embedded groove (111), threaded holes (102) are uniformly formed in a groove cavity of the edge of the embedded groove (111), and first insertion holes (103) are uniformly formed in the edge of the bottom plate (110);

the roof (120) is a square plate, the top outer side wall of the roof (120) is welded with a flange (121), the plate body of the roof (120) is uniformly provided with a second guide hole (104), and the flange (121) is uniformly provided with a second insertion hole (105).

2. The spinneret plate for producing a hot melt adhesive web according to claim 1, wherein: the hot melt cavity (001) is a square box cavity structure with an open bottom, a slot is formed in the bottom wall of the hot melt cavity (001), an ear block is welded on the outer side of the opening of the bottom of the hot melt cavity (001), and an inserting hole is uniformly formed in the block body of the ear block.

3. The spinneret plate for producing a hot melt adhesive web according to claim 2, wherein: the bottom of inlet pipe (002) and trachea (003) all communicates with the inner chamber of hot melt cavity (001), oil pipe (004) are the S type of continuous form and distribute at the inner chamber of hot melt cavity (001), and the both ends of oil pipe (004) run through the chamber wall of hot melt cavity (001) left and right sides respectively.

4. The spinneret plate for producing a hot melt adhesive web according to claim 2, wherein: the first insertion hole (103) is aligned with the insertion hole of the ear block at the bottom of the hot melting chamber (001) and fixedly connected with the insertion hole through a bolt, and the sealing insertion ring (112) is inserted into the insertion groove in the bottom wall of the hot melting chamber (001).

5. The spinneret plate for producing a hot melt adhesive web according to claim 1, wherein: the top plate (120) is embedded into the groove cavity of the embedded groove (111), the bottom wall of the top plate (120) is abutted to the bottom wall of the groove cavity of the embedded groove (111), the first guide hole (101) is aligned with the second guide hole (104), and the threaded hole (102) is aligned with the second insertion hole (105) and is fixedly connected through a screw.