Intelligent rubber tensile testing device and testing method thereof

Abstract

The invention belongs to the technical field of rubber industry, particularly relates to an intelligent rubber tensile testing device and a testing method thereof, and aims to solve problems that thereplacement process of a sample is complicated and an internal sample clamp needs to be disassembled and assembled for multiple times, two ends of the rubber sample need to be tightly clamped and fixed in the testing process, and clamping parts are always broken firstly in the tensile process, and thus the testing result is inaccurate. According to the scheme, the device comprises a base, a supporting shell is fixedly installed at the top of the base, a partition plate is fixedly installed in the middle of the inner wall of the supporting shell, and a testing rotating shaft is installed at thebottom end of the interior of the supporting shell through a bearing. When a rubber strip sample is subjected to tensile detection, the impact inertia of parts at the two ends can be effectively reduced when the rubber strip is broken, the displacement of the fixing seats at the two ends is controlled more accurately, cracks and tensile states on the surface of the sample can be observed more visually in the tensile test process, and the accuracy and safety of a detection result are improved.

Description

technical field [0001] The invention relates to the technical field of the rubber industry, in particular to an intelligent testing device for rubber stretching and a testing method thereof. Background technique [0002] Rubber refers to a highly elastic polymer material with reversible deformation. It is elastic at room temperature, can produce large deformation under a small external force, and can return to its original shape after the external force is removed. Rubber is a completely amorphous polymer. Rubber is divided into two kinds of natural rubber and synthetic rubber. Natural rubber is processed by extracting gum from rubber trees, rubber grass and other plants; synthetic rubber is obtained by polymerization of various monomers. Rubber products are widely used in all aspects of industry or life. [0003] The rubber industry is one of the important basic industries of the national economy. It not only provides daily and medical light industrial rubber products t...

AI Technical Summary

Problems solved by technology

It not only provides daily and medical light industrial rubber products that are indispensable for people’s daily life, but also provides various rubber production equipment or rubber parts for mining, transportation, construction, machinery, electronics and other heavy industries and emerging industries. Materials and products have strict quality requirements, such as tensile strength, elastic modulus, elongation, aging resistance, etc. The tensile strength test of rubber can determine the tensile strength of rubber. At present, the tensile test of rubber mainly uses The rubber is made into a standard strip or I-shaped sample, and its two ends are fixed on the tensile machine for testing. However, the replacement process of each sample is cumbersome, and the internal sample fixture needs to be disassembled many times. During the test, the two ends of the rubber sample need to be tightly clamped and fixed. During the stretching process, the clamped part often breaks first, resulting in inaccurate test results.

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