CN220517714U

CN220517714U - Net woven reinforced sound absorption cotton board

Info

Publication number: CN220517714U
Application number: CN202322358077.3U
Authority: CN
Inventors: 翟俊龙; 翟泽宇
Original assignee: Shanghai Anwei Building Materials Technology Co ltd
Current assignee: Shanghai Anwei Building Materials Technology Co ltd
Priority date: 2023-08-30
Filing date: 2023-08-30
Publication date: 2024-02-23
Anticipated expiration: 2033-08-30

Abstract

The utility model discloses a net-woven reinforced sound-absorbing cotton board, which comprises the following components: the core layer comprises a fiber cotton plate, and glass fiber mesh cloth and non-woven fabrics are covered on the two surfaces of the outer surface of the fiber cotton plate; the fiber threads are used for cross stitching of fiber cotton boards, glass fiber mesh cloth and non-woven fabrics; the surface layer covers the outer surface of the core layer. The core layer is made of inorganic fiber materials, has low density and good ventilation and sound absorption effects, and adopts high-strength fiber threads to carry out modern industrial intelligent sewing processing, so that the mechanical strength is improved by times; the surface layer is covered on the core layer by adopting a scraping or spraying method to form a large-area seamless effect, and part of flexible emulsion is added into sand grains of the surface layer, so that the formed surface layer has good flexibility and strong elasticity, can not crack at joints, and can be made into large-scale plane decorative surfaces and various geometric shapes along with the shape of a base wall.

Description

Net woven reinforced sound absorption cotton board

Technical Field

The utility model relates to the field of building decoration, in particular to a net-woven reinforced sound-absorbing cotton board.

Background

The sound-absorbing cotton board, also called as acoustic sound-absorbing board and sound-insulating board, is a decorative material with sound-absorbing property, and has wide application in the fields of audio environment regulation, noise control, voice definition improvement, interior decoration and the like, can obviously improve the acoustic environment, provides better hearing experience, and has positive influence on study, work and life of people. At present, in the field of building decoration materials, a common fiber material is mainly used as a sound absorption material, the surface porosity is poor, the exertion of the sound absorption effect is limited, the effective control requirement on a high-noise environment cannot be met, and the decoration cost is relatively high.

Disclosure of Invention

The utility model aims at: in order to solve the problems, the utility model provides a meshed reinforced sound absorption cotton board.

The utility model adopts the following technical scheme for realizing the purposes, and comprises the following steps: the core layer comprises a fiber cotton plate, and glass fiber mesh cloth and non-woven fabrics are covered on the two surfaces of the outer surface of the fiber cotton plate;

the fiber threads are used for cross stitching of fiber cotton boards, glass fiber mesh fabrics and non-woven fabrics;

and the surface layer is covered on the outer surface of the core layer.

As a further description of the above technical solution, the fiber cotton board uses an annular chain type continuous locking ring to integrally stitch the surface material and the core material.

As a further description of the above technical solution, the nonwoven fabric includes two layers of a reinforced nonwoven fabric and a decorative nonwoven fabric, and the decorative nonwoven fabric is wrapped outside the reinforced nonwoven fabric.

As a further description of the above technical solutions, the fiber yarns are provided with a plurality of sewing modes in the warp and weft directions.

As a further description of the above technical solution, the sewing density of the fiber thread is 1350 pieces per square meter.

As a further description of the technical scheme, the surface layer adopts two modes of scraping or spraying to cover the surface layer polymer sand material on the outer surface of the core layer.

As further description of the above technical solution, a metal corner protection frame is disposed around the surface layer.

As a further description of the above technical solution, the facing layer may be formed into a large planar decorative surface and various geometric shapes in cooperation with the shape of the base wall.

As a further description of the above technical solution, the geometric shapes include wave type, hemispherical type, hyperboloid type, arc type and yin-yang angle type.

As a further description of the above technical solution, the mesh reinforced sound absorbing cotton board comprises two installation modes of indoor top hanging and inner wall pasting.

The beneficial effects of the utility model are as follows:

1. according to the utility model, the core layer is made of inorganic fiber materials, the density is low, the ventilation and sound absorption effects are good, and the mechanical strength is improved by times by using high-strength fiber threads through modern industrial intelligent sewing processing.

2. The surface layer is covered on the core layer by adopting a scraping or spraying method to form a large-area seamless effect, and a part of flexible emulsion is added into sand grains of the surface layer, so that the formed surface layer has good flexibility and strong elasticity, can not crack at joints, and can be made into large-scale plane decorative surfaces and various geometric shapes along with the shape of a base layer wall.

In order to more clearly illustrate the structural features and functions of the present utility model, the present utility model will be described in detail below with reference to the accompanying drawings and the embodiments.

Drawings

FIG. 1 is a schematic view of the structure of a woven reinforced acoustical cotton board of the present utility model;

FIG. 2 is a cross-sectional view of a woven reinforced acoustical cotton board of the present utility model;

fig. 3 is a schematic representation of a stitch pattern of a woven reinforced acoustical cotton board of the present utility model.

Reference numerals: 1. a core layer; 11. a fibrous cotton board; 12. glass fiber mesh cloth; 13. a nonwoven fabric; 131. reinforcing non-woven fabrics; 132. decorative nonwoven fabrics; 2. a fiber thread; 3. a surface layer; 4. and a metal corner protection frame.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

As shown in fig. 1-3, in one embodiment, a woven reinforced acoustical cotton board comprises: the core layer 1, the core layer 1 comprises a fiber cotton plate 11, a glass fiber mesh cloth 12 and a non-woven fabric 13 are covered on the surface of the core material on both sides, and the fiber threads 2 are used for being crossed and sewed together to form the integral grid-shaped reinforced sound absorption cotton core plate. The utility model relates to a net-woven reinforced sound-absorbing cotton board which is a decorative material with the characteristics of sound absorption, heat preservation, fire prevention, no toxicity, environmental protection, safety, beautiful appearance and the like, is suitable for various professional acoustic places such as theaters, vocal halls, performance centers, recording rooms and the like, classrooms, conference halls, museums, offices, business halls, waiting rooms, libraries and the like in which noise and reverberation are required to be reduced, and also comprises factory workshops, equipment rooms, elevator shafts, underground tunnels and the like in which the environment which is required to be subjected to sound absorption and noise reduction is suspended at the indoor top or adhered on an inner wall.

Specifically, the fiber cotton board 11 is composed of core materials such as inorganic fiber rock wool, mineral wool, glass wool, aluminum silicate cotton and the like, is melted at high temperature, centrifugally formed into fibers, added with cementing materials and various additives, cooled and compressed to prepare various inorganic fiber boards, has good medium-high frequency absorption capacity, and can absorb low frequency when an air layer is reserved on the back. Further, the nonwoven fabric 13 includes two layers of the reinforcing nonwoven fabric 131 and the decorative nonwoven fabric 132, and the decorative nonwoven fabric 132 is wrapped outside the reinforcing nonwoven fabric 131.

Specifically, basalt or high-strength organic materials are used for the fiber lines 2, through modern industrial intelligent sewing processing, more than 1350 tensile nodes are added per square meter, so that the fiber lines are fixed and reinforced, and the mechanical strength is improved by times: the surface material and the core material are penetrated and reinforced into a whole by adopting the annular chain type continuous locking ring in the sewing process, and the continuous locking ring of the chain ring generally has the characteristic of unidirectional loosening, so that after unidirectional continuous penetrating and reinforcing, the continuous locking ring is penetrated and reinforced again in the reverse direction, no matter any part of the heat-insulating core material is cut, the chain rings around the cut section are not loosened, and the integrity of the whole heat-insulating plate is reinforced. Specifically, the fiber lines 2 are provided with a plurality of sewing modes in the warp direction and the weft direction, and the whole plate surface of the normally sewn mesh reinforced fiber sound absorption cotton plate is 1m ² 1350 vertical suture lines are uniformly sewn on the upper part, and the common suture line has the specification: (500-800) N/tex, according to the tensile strength of each linear density (tex) of ≡0.40N, calculated by the average linear density of 600 tex/root, the tensile force of each wire is 0.40 x 600=240N, namely, the tensile strength of 324kPa is evenly increased between every two square meter plate layers, so that the composite material has higher tensile strength and shearing strength.

Further, the surface layer 3 covers the outer surface of the core layer 1, and metal corner protection frames 4 are arranged around the surface layer 3. Specifically, the surface layer 3 is formed by mixing and stirring quartz sand with different fineness, silicon-based materials and emulsion, wherein the quartz sand comprises machine-made sand and natural sand with good air permeability, and the flexible emulsion comprises, but is not limited to, acrylic emulsion (the content of a solidified material is 40% -50%), EVA emulsion and the like, has the characteristic of porous sound transmission, and enables external sound wave energy to be absorbed by sound absorption cotton of a substrate through the sandstone layer; the surface layer 3 is covered on the base layer sound absorption cotton plate by adopting a scraping or spraying method to form a large-area seamless effect, and a part of flexible emulsion is added into sand grains of the surface layer 3, so that the formed surface layer 3 has better flexibility and elasticity, and a joint part cannot crack, and simultaneously, along with the shape of a base layer wall, the surface layer 3 can be made into a large-sized plane decorative surface and patterns with various geometric shapes, such as wavy lines, hemispheres, circles, squares, hyperboloids, arcs, yin and yang angles and the like, and has various decorative effects.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A mesh-reinforced acoustical cotton board comprising: the fiber type cotton board comprises a core layer (1), wherein the core layer (1) comprises a fiber type cotton board (11), and glass fiber mesh cloth (12) and non-woven fabrics (13) are covered on the two sides of the outer surface of the fiber type cotton board (11);

a fiber line (2), wherein the fiber line (2) is used for cross stitching a fiber cotton board (11), a glass fiber mesh cloth (12) and a non-woven fabric (13);

and the surface layer (3) is covered on the outer surface of the core layer (1).

2. A woven reinforced acoustical cotton board as set forth in claim 1, wherein the fibrous cotton board (11) is integrally needled with the facestock and core material by endless chain type continuous check ring.

3. A woven reinforced acoustical cotton board according to claim 2, wherein said nonwoven fabric (13) comprises two layers of reinforced nonwoven fabric (131) and decorative nonwoven fabric (132), said decorative nonwoven fabric (132) being wrapped outside the reinforced nonwoven fabric (131).

4. A woven reinforced acoustical cotton board according to claim 1, wherein said fiber threads (2) are provided with a plurality of sewing means in the warp and weft directions.

5. A woven reinforced acoustical cotton board according to claim 1, characterized in that the stitch density of the fiber threads (2) is 1350 threads/square meter.

6. A woven reinforced acoustical cotton board according to claim 1, wherein said facing layer (3) is coated with polymer sand material of the facing layer (3) on the outer surface of the core layer (1) by scraping or spraying.

7. A woven reinforced acoustical cotton board according to claim 1, characterized in that a metal corner bead (4) is provided around the surface layer (3).

8. A woven reinforced acoustical cotton board according to claim 1, wherein said facing layer (3) is shaped to fit the base wall to form a large planar decorative surface and a variety of geometric shapes.

9. The mesh-reinforced acoustical cotton board of claim 8, wherein said geometric shape comprises a wavy, hemispherical, hyperbolic, arcuate, and yin-yang angular shape.

10. The woven reinforced acoustical cotton board of claim 1, wherein said woven reinforced acoustical cotton board comprises two mounting means, indoor roof suspension and interior wall attachment.