A leather sampling knife

Abstract

The invention discloses a leather sampling tool which mainly comprises a tool body and a tool apron, wherein the bottom of the tool apron is connected to the tool body in a sleeved manner; the tool body is formed by combining four dumbbell-shaped tools and four square tools; two dumbbell-shaped tools are transversely arranged in parallel while the other two dumbbell-shaped tools are longitudinally arranged in parallel, and the four dumbbell-shaped tools define a hollow square body; the four square tools are positioned in the hollow square body defined by the four dumbbell-shaped tools; two square tools are transversely arranged in parallel while the other two square tools are longitudinally arranged in parallel; a notch is formed in the center of each of the four square tools. The leather sampling tool is simple in structure and convenient to detach, two of the four dumbbell-shaped tools are arranged longitudinally while the other two dumbbell-shaped tools are arranged transversely, and two of the four square tools are arranged longitudinally while the other two square tools are arranged transversely, so that eight sample blocks for measuring the tensile strength, elongation and tear force of leather can be cut at a time, the standard requirements on two longitudinal samples and two transverse samples are met, and the longitudinal and transverse samples are cut at a time and are prevented from being mixed with one another.

Description

technical field [0001] The invention relates to the field of leather quality testing equipment, in particular to a leather sampling knife. Background technique [0002] Leather is the main raw material for the production of light industrial products such as clothing, shoes, luggage and furniture, and can be divided into leather for clothing, leather for shoe uppers and leather for furniture. Leather quality inspection is the only means for quality supervision departments, leather production enterprises and leather processing enterprises to obtain leather quality information. [0003] Tensile strength, elongation, and tearing force are the most important mechanical performance indicators of leather. Whether it is leather for clothing, leather for shoe uppers or leather for furniture, tensile strength, elongation, and tearing force must be tested. Due to the particularity of the leather material, the mechanical properties of different parts of the same piece of leather, or ev...

AI Technical Summary

Problems solved by technology

[0004] Therefore, the current operating procedure for leather sample testing and sampling is to first calculate the total area of ​​the sample according to the shape, size and direction of the required sample block, draw the outline of the large sample block on a specified part of a piece of leather, and cut it out with scissors. At the same time, it is necessary to indicate the production direction of the large sample block on the entire leather, and then draw the sampling positions of tensile strength, elongation, and tearing force on the large sample block, and then use different die knives to cut out the required parts. When cutting the sample block, the direction of the sample block (vertical or horizontal) must be marked. Not only the sampling procedure is cumbersome, the efficiency is very low, but also the sample block is difficult to fix, and it is easy to make operation errors to make the direction of the sample block deviate, causing the entire sample block to be scrapped. , affecting the work process, wasting samples, and even causing the failure of the entire detection work

At the same time, the removed sample block is easy to confuse the direction of the sample and affect the test results

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