CN209756315U - Glass fiber composite needled felt - Google Patents

Abstract

The utility model provides a glass fiber composite needled felt, which comprises a glass fiber base cloth layer, a mixed fiber layer, an elastic net layer, an ultrafine fiber layer, a compression-resistant bracket, a reinforcing wire, a viscose layer and a glass fiber surface layer, the upper surface and the lower surface of the glass fiber base cloth layer are outwards provided with a mixed fiber layer, an elastic net layer, a superfine fiber layer, an adhesive layer and a glass fiber surface layer in sequence, the glass fiber base cloth layer is connected with the mixed fiber layer by needling, the elastic net layer is bonded on the surface of the mixed fiber layer, the superfine fiber layers are bonded on the surface of the elastic net layer, a plurality of compression-resistant supports which are uniformly distributed are arranged between the two superfine fiber layers, a plurality of reinforcing wires are inserted between the two superfine fiber layers in an up-and-down mode to fix the compression-resistant supports, the surface of the superfine fiber layer is coated with an adhesive layer, and the adhesive layer is bonded with the glass fiber surface layer. The utility model has the advantages of improve tensile strength and compressive capacity.

Description

Glass fiber composite needled felt

Technical Field

The utility model relates to a glass fiber composite needled felt.

Background

The glass fiber needled felt is a material with reasonable structure and better performance, and is a felt-like non-woven fabric material prepared by taking glass fibers as raw materials, wherein glass fiber monofilaments are randomly and alternately inserted, have a non-directional three-dimensional micropore structure, small gaps and large void ratio, and have good sound absorption, shock absorption, corrosion resistance, insulation, high temperature resistance and flame retardance. However, the existing glass fiber needled felt is low in tensile and compressive capacities, internal fracture and damage of the glass fiber needled felt are easily caused, and normal use of the glass fiber needled felt is influenced.

therefore, a glass fiber composite needled felt with improved tensile and compressive strength is urgently needed.

SUMMERY OF THE UTILITY MODEL

in order to solve the tensile and compressive capacity of current glass fiber needled felt and hang down, cause the problem of the inside fracture damage of glass fiber needled felt easily, the utility model aims at providing a glass fiber composite needled felt has the advantage that improves tensile capacity and compressive capacity.

The utility model provides a following technical scheme:

A glass fiber composite needled felt comprises a glass fiber base cloth layer, a mixed fiber layer, an elastic net layer, an ultrafine fiber layer, compression-resistant supports, reinforcing fibers, a viscose layer and a glass fiber surface layer, wherein the mixed fiber layer, the elastic net layer, the ultrafine fiber layer, the viscose layer and the glass fiber surface layer are sequentially arranged on the upper surface and the lower surface of the glass fiber base cloth layer outwards; the utility model discloses a resistance to compression support, including first support piece, inserted bar, second support piece and intubate, first support piece and the one end fixed connection who is located its central inserted bar, second support piece and the one end fixed connection who is located its central intubate, the other end cover of intubate is in outside the other end of inserted bar, the inserted bar passes two superfine fiber layer, two elasticity stratum reticulare, two mixed fiber layer and glass fiber base cloth layer, first support piece with the second support piece is located two superfine fiber layer respectively on the surface, the summit portion that the reinforcement silk fluctuates respectively with first support piece with the second support piece contacts, the viscose layer coating is in first support piece with the second support piece is on the surface.

The utility model discloses a composite needled felt, including elastic mesh layer, inserted bar, first backing sheet, second backing sheet, pressure-resistant support, the setting of elasticity mesh layer can increase composite needled felt's tensile strength, the inserted bar passes two superfine fiber layer, two elastic mesh layer, two mixed fiber layer and glass fiber base cloth layer, consolidates the connection between these fibrous layer, first backing sheet with the second backing sheet can increase the lifting surface area, the setting of pressure-resistant support can increase composite needled felt's compressive strength, the pressure-resistant support can be consolidated in the setting of reinforcement silk, mixed fiber layer with superfine fiber layer reinforcing filtration performance, the glass fiber top layer makes composite needled felt high temperature resistant.

Preferably, the diameter of the insertion tube is 0.2-0.6mm, the outer diameter of the insertion tube is 0.4-0.8mm, and the thickness of the first support piece and the second support piece is 0.1-0.3 mm.

Preferably, the mixed fiber layer is formed by mixing OPAN fibers and PPS fibers. The OPAN fibers are mixed with the PPS fibers to adjust the entanglement degree of the fibers, so that the filtration efficiency of the needle felt to fine particles is improved.

Preferably, the reinforcing yarn is spandex yarn. The elasticity of the spandex silk is better, and the reinforcement of the pressure-resisting support is good.

Preferably, the elastic net layer is formed by weaving spandex yarns. The elasticity of the elastic net layer woven by the spandex yarns is better, and the tensile capacity of the composite needled felt can be improved.

The utility model has the advantages that: the utility model discloses a composite needled felt, including elastic mesh layer, inserted bar, first backing sheet, second backing sheet, pressure-resistant support, the setting of elasticity mesh layer can increase composite needled felt's tensile strength, the inserted bar passes two superfine fiber layer, two elastic mesh layer, two mixed fiber layer and glass fiber base cloth layer, consolidates the connection between these fibrous layer, first backing sheet with the second backing sheet can increase the lifting surface area, the setting of pressure-resistant support can increase composite needled felt's compressive strength, the pressure-resistant support can be consolidated in the setting of reinforcement silk, mixed fiber layer with superfine fiber layer reinforcing filtration performance, the glass fiber top layer makes composite needled felt high temperature resistant.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a partial enlarged view of the structure A of the present invention;

Labeled as: 1. a glass fiber base cloth layer; 2. a mixed fiber layer; 3. an elastic mesh layer; 4. a microfiber layer; 5. A compression-resistant support; 51. a first support sheet; 52. inserting a rod; 53. a second support sheet; 54. inserting a tube; 6. reinforcing wires; 7. An adhesive layer; 8. a fiberglass surface layer.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

as shown in fig. 1-2, a glass fiber composite needled felt comprises a glass fiber base cloth layer 1, a mixed fiber layer 2, an elastic mesh layer 3, an ultrafine fiber layer 4, a pressure-resistant support 5, a reinforcing fiber 6, an adhesive layer 7 and a glass fiber surface layer 8, wherein the mixed fiber layer 2, the elastic mesh layer 3, the ultrafine fiber layer 4, the adhesive layer 7 and the glass fiber surface layer 8 are sequentially arranged on the upper surface and the lower surface of the glass fiber base cloth layer 1 outwards, the glass fiber base cloth layer 1 is connected with the mixed fiber layer 2 in a needling manner, the mixed fiber layer 2 is formed by mixing OPAN fibers and PPS fibers, the PPS fibers are mixed in the OPAN fibers to adjust the entanglement degree of the fibers, so that the filtration efficiency of the needled felt on fine particles is improved, the elastic mesh layer 3 is bonded on the surface of the mixed fiber layer 2, the elastic mesh layer 3 is woven by spandex, and the elasticity of the elastic mesh layer woven by the spandex is better, the elastic net layer 3 can increase the tensile capacity of the composite needled felt, the superfine fiber layer 4 is bonded on the surface of the elastic net layer 3, the mixed fiber layer 2 and the superfine fiber layer 4 can enhance the filtering performance, a plurality of compression-resistant supports 5 which are uniformly distributed are arranged between the two superfine fiber layers 4, a plurality of reinforcing wires 6 are inserted between the two superfine fiber layers 4 in an up-and-down mode to fix the compression-resistant supports 5, the reinforcing wires 6 are arranged to reinforce the compression-resistant supports 5, the reinforcing wires 6 are spandex wires, the surface of the superfine fiber layer 4 is coated with an adhesive layer 7, the adhesive layer 7 is bonded with a glass fiber surface layer 8, and the glass fiber surface layer 8 enables the composite needled felt to resist high temperature; the pressure-resistant support 5 comprises a first support sheet 51, an insertion rod 52, a second support sheet 53 and an insertion tube 54, wherein the first support sheet 51 is fixedly connected with one end of the insertion rod 52 positioned at the center of the first support sheet, the second support sheet 53 is fixedly connected with one end of the insertion tube 54 positioned at the center of the second support sheet, the other end of the insertion tube 54 is sleeved outside the other end of the insertion rod 52, the diameter of the insertion rod 52 is 0.2mm, the outer diameter of the insertion tube 54 is 0.4mm, the insertion rod 52 penetrates through two superfine fiber layers 4, two elastic mesh layers 3, two mixed fiber layers 2 and a glass fiber base cloth layer 1, the diameter of the insertion rod 52 is small, the insertion rod can easily penetrate through the fiber layers to reinforce the connection between the fiber layers, the first support sheet 51 and the second support sheet 52 are respectively positioned on the surfaces of the two superfine fiber layers 4, the first support sheet 51 and the second support sheet 52 can increase the force-bearing area, the setting of resistance to compression support 5 can increase the compressive capacity of compound needled felt, first support piece 52 with the thickness of second support piece 52 is 0.1mm, and thickness is thinner, does not influence the homogeneity of whole thickness, the apex portion of reinforcing silk 6 undulation respectively with first support piece 51 with second support piece 52 contacts, viscose layer 7 coating is in first support piece 51 with second support piece 52 is on the surface.

The utility model discloses working method: use the utility model discloses the time, because the elasticity stratum reticulare 3 is woven by the spandex silk and is formed, has very big elasticity, can increase the tensile strength of compound acupuncture felt, inserted bar 52 passes two superfine fibre layers 4, two elasticity stratum reticulare 3, two mixed fiber layer 2 and glass fiber base cloth layer 1, consolidates the connection between these fibrous layers, first supporting sheet 51 with second supporting sheet 52 increases lifting surface area, the compressive capacity of compound acupuncture felt is increased to compressive support 5, add silk 6 and consolidate compressive support 5, mixed fiber layer 2 with superfine fibre layer 4 reinforcing filtration performance, glass fiber top layer 8 makes compound acupuncture felt high temperature resistant, the utility model discloses can be high temperature resistant, filtration performance is good, compressive capacity and tensile strength are also better.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. A glass fiber composite needled felt is characterized by comprising a glass fiber base cloth layer, a mixed fiber layer, an elastic net layer, an ultrafine fiber layer, a compression-resistant support, reinforcing fibers, a viscose layer and a glass fiber surface layer, the upper surface and the lower surface of the glass fiber base cloth layer are outwards provided with a mixed fiber layer, an elastic net layer, a superfine fiber layer, an adhesive layer and a glass fiber surface layer in sequence, the glass fiber base cloth layer is connected with the mixed fiber layer by needling, the elastic net layer is bonded on the surface of the mixed fiber layer, the superfine fiber layers are bonded on the surface of the elastic net layer, a plurality of compression-resistant supports which are uniformly distributed are arranged between the two superfine fiber layers, a plurality of reinforcing wires are inserted between the two superfine fiber layers in an up-and-down mode to fix the compression-resistant supports, the surface of the superfine fiber layer is coated with an adhesive layer, and the adhesive layer is adhered to the surface of the glass fiber layer;

The utility model discloses a resistance to compression support, including first support piece, inserted bar, second support piece and intubate, first support piece and the one end fixed connection who is located its central inserted bar, second support piece and the one end fixed connection who is located its central intubate, the other end cover of intubate is in outside the other end of inserted bar, the inserted bar passes two superfine fiber layer, two elasticity stratum reticulare, two mixed fiber layer and glass fiber base cloth layer, first support piece with the second support piece is located two superfine fiber layer respectively on the surface, the summit portion that the reinforcement silk fluctuates respectively with first support piece with the second support piece contacts, the viscose layer coating is in first support piece with the second support piece is on the surface.

2. The glass fiber composite needled felt according to claim 1, wherein the diameter of the insertion tube is 0.2-0.6mm, the outer diameter of the insertion tube is 0.4-0.8mm, and the thickness of the first supporting sheet and the second supporting sheet is 0.1-0.3 mm.

3. The glass fiber composite needled felt according to claim 1, wherein the mixed fiber layer is a mixture of OPAN fibers and PPS fibers.

4. The glass fiber composite needled felt according to claim 1, wherein the reinforcing filaments are spandex filaments.

5. The glass fiber composite needled felt according to claim 1, wherein the elastic mesh layer is woven from spandex filaments.