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Finger-shaped connector of aramid fiber conveying belt and preparation method of finger-shaped connector

A finger joint and conveyor belt technology, applied in the field of aramid conveyor belt finger joint and its preparation, can solve the problems of conveyor belt extraction, etc., and achieve the effect of increasing the extraction force and improving the uniformity of the force.

Active Publication Date: 2014-09-17
YANKUANG GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to improve the service life of the joints of the aramid conveyor belt, especially for the problem of edge warping and pulling out during the use of the conveyor belt

Method used

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  • Finger-shaped connector of aramid fiber conveying belt and preparation method of finger-shaped connector
  • Finger-shaped connector of aramid fiber conveying belt and preparation method of finger-shaped connector
  • Finger-shaped connector of aramid fiber conveying belt and preparation method of finger-shaped connector

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] Embodiment 1 The method for preparing a finger joint of an aramid conveyor belt comprises the following steps:

[0043] 1 Peeling of cover glue

[0044] Peel off the upper and lower cover glue on the joint, and the cutting part of the cover glue is a 45-degree slope, and polish the slope.

[0045] 2 Cleaning of residual glue

[0046] Use a utility knife to cut off the remaining rubber on the surface of the skeleton material, use an angle grinder to roughen the surface of the skeleton material and the rubber around the groove, clean it with a brush, blow away fine particles with a hair dryer, and dry the surface of the skeleton .

[0047] 3 finger cut

[0048] Align the two ends of the two belts that need joints, draw a vertical line on the longitudinal surface of the conveyor belt, use a marker pen to mark every other finger-width unit on both sides of the vertical line, and cut along the drawn line with a utility knife. Always follow the principle of removing more ...

Embodiment 2

[0057] Example 2 A joint test was carried out on a 1600N / mmDPP aramid canvas core conveyor belt, including the following steps:

[0058] (1) Peeling off the cover glue

[0059] Peel off the upper and lower cover glue on the joints of the aramid canvas conveyor belt.

[0060] (2) Cleaning of residual glue

[0061] Remove the remaining glue on the surface of the skeleton material, roughen the surface of the skeleton material and the rubber around the groove, clean it, remove fine particles, and dry the surface of the skeleton.

[0062] (3) Finger cutting

[0063] 1. Draw a line

[0064] Make a straight line that intersects with both sides of the conveyor belt width as xx ， , the length is x, then take 1 / 2x as point O, and point O as the reference point; take O as the fixed point, L as the length (L≥2m), and take y, y on the two sides of the bandwidth ， , connect to yy ， ; xy and yy ， vertical, x ， the y ， with yy ， vertical, such as Figure 4 shown.

[0065] 2. Fixed...

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Abstract

The invention relates to a finger-shaped connector of an aramid fiber conveying belt and a preparation method of the finger-shaped connector. The preparation method comprises the following steps: stripping coverage glue, cleaning residual glue, cutting finger shapes, coating mucilage, splicing the finger shapes, forming and coating glue, reinforcing by a fabric layer, covering glue, and sulfurizing a specimen, thereby obtaining the finger-shaped connector on the aramid fiber conveying belt. According to the invention, the problems of extraction, edge wrapping, water seepage, glue failure of seams and the like of the connector of the conveying belt in the dynamic running process are solved; a certain gap is reserved in splicing the finger shapes so as to guarantee that the pasting glue can seep fully toward the finger shapes, the extraction force is increased, the stress uniformity is improved, and the phenomena of extraction and cracking which are caused by stress uniformity are prevented; the length of the stripped coverage glue is greater than the length of each finger by 5cm, and the connector glue and the coverage glue are lapped into an oblique slope, so that the phenomenon of water seepage of a framework material because of glue failure of the seam is prevented, and the service life of the connector of the aramid fiber conveying belt is prolonged greatly.

Description

technical field [0001] The invention relates to a finger joint of an aramid conveyor belt and a preparation method thereof, in particular to a finger joint of an aramid conveyor belt with a diameter straight weft weaving structure with high monofilament strength and thin thickness of a skeleton material and a preparation method thereof, belonging to The field of rubber conveyor belt products. Background technique [0002] The research work on aramid conveyor belts in my country started late, mainly because the production technology of aramid fiber is in the hands of a few western multinational companies such as DuPont and Teijin, and the price is expensive. With the progress of domestic science and technology and the improvement of industrial level, several domestic enterprises have been able to produce aramid fiber, but the scale is small, such as Yantai Spandex and Henan Shenma. In recent years, the price of aramid fiber has dropped and the market demand for high-performa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29D29/06B65G15/34
Inventor 孙桂美汪光亮张鹏飞杨静吴旗赵连云
Owner YANKUANG GRP CO LTD
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