CN217104472U

CN217104472U - High-temperature-resistant flame-retardant gum dipping canvas structure for conveyer belt

Info

Publication number: CN217104472U
Application number: CN202121294080.8U
Authority: CN
Inventors: 周俊; 徐玥; 卢亚宝
Original assignee: Jiangsu Taiji Industry New Materials Co ltd
Current assignee: Jiangsu Taiji Industry New Materials Co ltd
Priority date: 2021-06-09
Filing date: 2021-06-09
Publication date: 2022-08-02
Anticipated expiration: 2031-06-09

Abstract

The utility model discloses a conveyer belt is with fire-retardant gumming canvas structure of high temperature resistant belongs to canvas technical field. The canvas fabric is formed by interweaving warp yarns and weft yarns, the weft yarns are obliquely arranged, the weft yarns sink to the lower layer after at least one warp yarn is arranged at intervals and are interwoven with at least one warp yarn to form an interweaving point, the warp yarns are polyamide twisted yarns, and the weft yarns are basalt fibers. The gum dipping canvas structure obtained by the utility model has the advantages of soft cloth surface, high strength retention rate, good flame retardant property and the like; the fabric has the characteristics of heat resistance, wear resistance, good adhesion with rubber, good flexing resistance, low cost, wide application range, high strength retention rate after multiple use and the like, and also has excellent environmental protection performance; the utility model discloses with the woof slope setting, both guaranteed fibrous mechanical properties, also provided and twisted reverse and shear strength.

Description

High-temperature-resistant flame-retardant gum dipping canvas structure for conveyer belt

Technical Field

The utility model relates to a field is made to canvas for the conveyer belt, specifically is a conveyer belt is with fire-resistant fire-retardant gumming canvas structure.

Background

The existing canvas structure mostly adopts a plain weave or broken twill structure, the cloth cover softness degree is not good enough, and the torsion performance is not excellent enough; moreover, the traditional nylon materials are all produced by a petrochemical method, the price of the traditional nylon materials is greatly influenced by the fluctuation of the price of petroleum, and the problems of shortage of petroleum resources, environmental pollution and the like also exist, while the polyamide 56 (PA 56 for short) is prepared by polycondensation of pentanediamine and adipic acid, and the pentanediamine as a key raw material monomer can be obtained by fermentation of cheap and easily available lysine by using bioengineering, so that the traditional nylon materials have great advantages in the aspects of production cost, environmental protection and the like. The utility model discloses try for the first time to use PA56 twist in basalt heat-resistant cloth to replace N66 twist and PET twist in the tradition is cognitive completely.

SUMMERY OF THE UTILITY MODEL

The utility model provides a conveyer belt is with fire-retardant gumming canvas structure of high temperature resistant.

The utility model discloses a realize through following technical scheme:

the high-temperature-resistant flame-retardant impregnated canvas structure for the conveyor belt comprises impregnated canvas, wherein the impregnated canvas consists of canvas fabric and a glue solution coating covering the surface of the canvas fabric, the canvas fabric is formed by interweaving warp yarns and weft yarns, the weft yarns are obliquely arranged, the weft yarns sink to the lower layer after at least one warp yarn is arranged at intervals and are interwoven with at least one warp yarn to form an interweaving point, the warp yarn is a polyamide twisted yarn, and the weft yarn is basalt fiber.

The included angle between the weft yarns and the warp yarns is 60-75 degrees.

The included angle between the weft yarns and the warp yarns is 75 degrees.

The twist degree range of the warp yarn is 50-120T/m, and the titer is 933-1870 dtex.

The weft yarn is untwisted basalt fiber yarn, and the titer is 400-2600 dtex.

The fiber strength of the warp yarn is greater than 7.0cN/dtex, and the strength of the weft yarn is greater than 6.5 cN/dtex.

Compared with the prior art, the beneficial effects of the utility model are that:

the gum dipping canvas structure obtained by the utility model has the advantages of soft cloth surface, high strength retention rate, good flame retardant property and the like; the fabric has the characteristics of heat resistance, wear resistance, good adhesion with rubber, good flexing resistance, low cost, wide application range, high strength retention rate after multiple use and the like, and also has excellent environmental protection performance; the utility model discloses with the woof slope setting, both guaranteed fibrous mechanical properties, also provided and twisted reverse and shear strength.

Drawings

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

FIG. 2 is a schematic structural diagram of the canvas fabric of the present invention;

fig. 3 is a schematic structural diagram of the canvas fabric of the present invention.

In the figure: 1. dipping canvas; 2. a canvas fabric; 3. coating with glue solution; 4. warp yarns; 5. and (4) weft yarns.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

as shown in the attached drawing fig. 1 of the specification, the high-temperature-resistant flame-retardant impregnated canvas structure for the conveyor belt comprises an impregnated canvas 1, wherein the impregnated canvas 1 is composed of a canvas fabric 2 and a glue solution coating 3 covering the surface of the canvas fabric, the canvas fabric 2 is formed by interweaving warp yarns 4 and weft yarns 5, the weft yarns 5 are obliquely arranged, the weft yarns 5 sink to the lower layer after at least one warp yarn 4 is arranged at intervals and are interwoven with at least one warp yarn 4 to form an interweaving point, the warp yarn 4 is a polyamide twisted yarn, and the weft yarn 5 is basalt fiber.

The included angle between the weft yarns 5 and the warp yarns 4 is 60-75 degrees.

The angle between the weft yarns 5 and the warp yarns 4 is 75 degrees.

The twist range of the warp 4 is 50-120T/m, and the titer is 933-1870 dtex.

The weft yarn 5 is untwisted basalt fiber yarn, and the titer is 400-2600 dtex.

The fiber strength of the warp yarns 4 is larger than 7.0cN/dtex, and the strength of the weft yarns 5 is larger than 6.5 cN/dtex.

Example 1

ETP100 type gum dipped canvas: the gum dipping canvas 1 consists of a canvas fabric 2 and a gum solution coating 3 covered on the surface of the canvas fabric, wherein the gum solution coating 3 is RFL (resorcinol-formaldehyde-latex) after heat treatment, the canvas fabric 2 is formed by interweaving warp yarns 4 and weft yarns 5, an included angle between the weft yarns 5 and the warp yarns 4 is 75 degrees, the weft yarns 5 sink to the lower layer after being separated by one warp yarn 4 to be interwoven with one warp yarn 4 to form an interweaving point, the warp yarn 4 is a polyamide twisted wire, the weft yarn 5 is basalt fiber, the warp yarn uses 1400 multiplied by 1dtex polyamide twisted wire, the twist degree is 70Z (T/m), the density of the warp yarn is 140 pieces/10 cm, the weft yarn uses 2600 multiplied by 1dtex basalt protofilament, and the density of the weft yarn is 72 pieces/10 cm. The cloth surface of the finished product after gum dipping is good and has no appearance flaw, after testing, the warp breaking strength is 1254N/cm, the breaking elongation is 22.6 percent, the dry heat shrinkage rate is 3.0 percent after 30min at 150 ℃, the weft breaking strength is 877N/cm, the breaking elongation is 13.5 percent, the dry heat shrinkage rate is-0.2 percent after 30min at 150 ℃, the adhesive force of the customer adhesive A is 215.2N/2.5cm, and the warp crimpness is 2.8 percent. The adhesion was comparable to that of NB100 and BP150 of the same specification.

The polyamide twisted yarn can be twisted yarn of PA6, PA66, PA56, etc.

Example 2

ETP200CFW type gum dipped canvas: the gum dipping canvas 1 consists of a canvas fabric 2 and a gum solution coating 3 covered on the surface of the canvas fabric, wherein the gum solution coating 3 is RFL (resorcinol-formaldehyde-latex) subjected to heat treatment, the canvas fabric 2 is formed by interweaving warp yarns 4 and weft yarns 5, an included angle between the weft yarns 5 and the warp yarns 4 is 80 degrees, the weft yarns 5 sink to the lower layer after spacing two warp yarns 4 to be interwoven with the two warp yarns 4 to form an interweaving point, the warp yarns 4 are polyamide twisted threads, the weft yarns 5 are basalt fibers, the warp yarns use 1400 x 2dtex polyamide twisted threads, the twist degree is 70Z (T/m), the warp yarn density is 140/10 cm, the weft yarns use 2600 x 1dtex basalt protofilaments, and the weft yarn density is 72/10 cm; the cloth surface of the finished product after gum dipping is good and has no appearance flaw, after testing, the warp breaking strength is 2349N/cm, the breaking elongation is 22.8 percent, the dry heat shrinkage rate is 3.1 percent after 30min at 150 ℃, the weft breaking strength is 892N/cm, the breaking elongation is 13.1 percent, the dry heat shrinkage rate is-0.3 percent after 30min at 150 ℃, the adhesive force of the customer adhesive A is 245.2N/2.5cm, and the warp crimpness is 3.5 percent. The adhesion was comparable to NB200 and BP200 of the same specification, with good feedback after customer use.

In summary, the present invention is only a preferred embodiment, and is not intended to limit the scope of the present invention, and all equivalent changes and modifications of the shapes, structures, features and spirit described in the claims of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a conveyer belt is with fire-resistant fire-retardant gumming canvas structure which characterized in that: the canvas comprises a dipped canvas (1), wherein the dipped canvas (1) consists of a canvas fabric (2) and a glue solution coating (3) covering the surface of the canvas fabric, the canvas fabric (2) is formed by interweaving warp yarns (4) and weft yarns (5), the weft yarns (5) are arranged in an inclined manner, the weft yarns (5) sink to the lower layer after at least one warp yarn (4) is arranged at intervals and are interwoven with at least one warp yarn (4) to form an interweaving point, the warp yarn (4) is a polyamide twisted yarn, and the weft yarn (5) is basalt fiber.

2. The high temperature resistant flame retardant dipped canvas structure for a conveyor belt according to claim 1, wherein: the included angle between the weft (5) and the warp (4) is 60-75 degrees.

3. The high temperature resistant and flame retardant canvas structure for conveyor belt according to claim 2, wherein: the included angle between the weft yarns (5) and the warp yarns (4) is 75 degrees.

4. The high temperature resistant flame retardant dipped canvas structure for a conveyor belt according to claim 1, wherein: the twist degree range of the warp (4) is 50-120T/m, and the titer is 933-1870 dtex.

5. The high temperature resistant flame retardant dipped canvas structure for a conveyor belt according to claim 1, wherein: the weft yarn (5) is untwisted basalt fiber yarn, and the titer is 400-2600 dtex.

6. The high temperature resistant flame retardant dipped canvas structure for a conveyor belt according to claim 1, wherein: the fiber strength of the warp (4) is greater than 7.0cN/dtex, and the strength of the weft (5) is greater than 6.5 cN/dtex.